Answer: Provided in the explanation section
Explanation:
import java.util.Scanner;
public class commission
{
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
int totals[]={0,0,0,0,0,0,0,0,0};
int n,sales,i,index;
double salary;
System.out.print("how many salesmen do you have? ");
n=input.nextInt();
for(i=1;i<=n;i++)
{System.out.print("Salesman "+i+" enter sales: ");
sales=input.nextInt();
salary=200+(int)(.09*sales);
System.out.printf("Salary=$%.2f\n",salary);
index=(int)salary/100-2;
if(index>8)
index=8;
totals[index]++;
}
System.out.println("SUMMARY\nSALES\t\tCOUNT");
for(i=0;i<8;i++)
System.out.println("$"+(i*100+200)+"-"+(i*100+299)+"\t"+totals[i]);
System.out.println("$1000 and over\t"+totals[i]);
}
}
cheers i hope this helped !!
Which of the following is NOT a type of software?
O a database system
O Skype
O Microsoft PowerPoint
O an output device
Previous
Noyt
Answer:
Output device
Explanation:
Im pretty sure that correct
Compute -ABE16-DF416 using 15’s complement
Answer:
33600
Explanation:
Let M = ABE16
and N = DF416
In hexadecimal representation: 10 = A, 11 = B, 12 = C, 13 = D, 14 = E, 15 = F
Step 1: Find the 15's complement of N
F F F F F
- D F 4 1 6
2 0 B E 9
Step 2: Add 15's complement of N to M
A B E 1 6
+ 2 0 B E 9
C C 9 F F
Step 3: Find the 15's complement of CC9FF
F F F F F
- C C 9 F F
3 3 6 0 0
Therefore, ABE16 - DF416 using 15's complement is 33600
Write the class "Tests". Ensure that it stores a student’s first name, last name, all five test scores, the average of those 5 tests’ scores and their final letter grade. (Use an array to store all test scores.)
Answer:
The following assumption will be made for this assignment;
If average score is greater than 75, the letter grade is AIf average score is between 66 and 75, the letter grade is BIf average score is between 56 and 65, the letter grade is CIf average score is between 46 and 55, the letter grade is DIf average score is between 40 and 45, the letter grade is EIf average score is lesser than 40, the letter grade is FThe program is written in Java and it uses comments to explain difficult lines. The program is as follows
import java.util.*;
public class Tests
{
public static void main(String [] args)
{
//Declare variables
Scanner input = new Scanner(System.in);
String firstname, lastname;
//Prompt user for name
System.out.print("Enter Lastname: ");
lastname = input.next();
System.out.print("Enter Firstname: ");
firstname = input.next();
char grade;
//Declare Array
int[] Scores = new int[5];
//Initialize total scores to 0
int total = 0;
//Decalare Average
double average;
//Prompt user for scores
for(int i =0;i<5;i++)
{
System.out.print("Enter Score "+(i+1)+": ");
Scores[i] = input.nextInt();
//Calculate Total Scores
total+=Scores[i];
}
//Calculate Average
average = total/5.0;
//Get Letter Grade
if(average>75)
{
grade = 'A';
}
else if(average>65)
{
grade = 'B';
}
else if(average>55)
{
grade = 'C';
}
else if(average>45)
{
grade = 'D';
}
else if(average>40)
{
grade = 'E';
}
else
{
grade = 'F';
}
//Print Student Results
System.out.print("Fullname: "+lastname+", "+firstname);
System.out.print('\n');
System.out.print("Total Scores: "+total);
System.out.print('\n');
System.out.print("Average Scores: "+average);
System.out.print('\n');
System.out.print("Grade: "+grade);
}
}
See Attachment for .java file
CASE II AziTech is considering the design of a new CPU for its new model of computer systems for 2021. It is considering choosing between two (2) CPU (CPUA and CPUB) implementations based on their performance. Both CPU are expected to have the same instruction set architecture. CPUA has a clock cycle time of 60 ns and CPUB has a clock cycle time of 75 ns. The same number of a particular instruction type is expected to be executed on both CPUs in order to determine which CPU would executes more instructions. CPUA is able to execute 2MB of instructions in 5*106 clock cycles. CPUB executes the same number of instructions in 3*106 clock cycles. a) Using the MIPS performance metric, which of the two (2) CPU should be selected to be implemented in the new computer system. Justify your choice. b) Compute the execution time for both CPUs. Which CPU is faster?
Answer:
(a)The CPU B should be selected for the new computer as it has a low clock cycle time which implies that it will implement the process or quicker when compared to the CPU A.
(b) The CPU B is faster because it executes the same number of instruction in a lesser time than the CPU A .
Explanation:
Solution
(a)With regards to the MIPS performance metric the CPU B should be chosen for the new computer as it low clock cycle time which implies that it will implement the process or quicker when compared to the CPU A and when we look at the amount of process done by the system , the CPU B is faster when compared to other CPU and carries out same number of instruction in time.
The metric of response time for CPU B is lower than the CPU A and it has advantage over the other CPU and it has better amount as compared to CPU A, as CPU B is carrying out more execution is particular amount of time.
(b) The execution can be computed as follows:
Clock cycles taken for a program to finish * increased by the clock cycle time = the Clock cycles for a program * Clock cycle time
Thus
CPU A= 5*10^6 * 60*10^-9 →300*10^-3 →0.3 second (1 nano seconds =10^-9 second)
CPU B= 3 *10^6 * 75*10^-9 → 225*10^-3 → 0.225 second
Therefore,The CPU B is faster as it is executing the same number of instruction in a lesser time than the CPU A
Write a program that reads in investment amount, annual interest rate, and number of years, and displays the future investment value using the following formula: futureInvestmentValue = investmentAmount * (1 + monthyInterestRate)numberOfYears*12. For example if you enter amount 1000, annual interest rate 3.25%, and number of years 1, the future investment value is 1032.98.NB: Please make sure to use the NumberFormat coding for currency to display your results. (Java Programming)
Answer:
Following are the code to this question:
import java.util.*; //importing package for user input
public class Main //defining class
{
public static void main(String []ar) //defining main method
{
double investment_amount,interest_rate,future_investment_value; //defining double variables
int years; //defining integer variable
Scanner obx=new Scanner(System.in); //creating Scanner class Object
System.out.print("Enter invest value: "); //print message
investment_amount=obx.nextDouble(); //input value
System.out.print("Enter interest rate: ");//print message
interest_rate=obx.nextDouble();//input value
System.out.print("Enter number of years: ");//print message
years=obx.nextInt();//input value
future_investment_value=investment_amount*Math.pow((1+interest_rate/1200.),years*12); //calculating value by apply formula
System.out.println("you enter amount: $"+investment_amount); //print calculated value
System.out.println("annual interest rate:"+interest_rate+"%");//print calculated value
System.out.printf("Number of years: "+years+" the future investment value is :$%.2f\n",future_investment_value);//print calculated value
}
}
output:
please find the attachment.
Explanation:
Program Description:
In the above-given program, inside the main method, a variable is declared that are investment_amount, interest_rate, future_investment_value, and years, in which only year variable is an integer type and other variables are double types.In the next step, a scanner class object that is "obx" is created, which is used to input value from the user end, in the next line we apply the formula to calculate the future_investment_value.At the last step, we all the input and a calculated valueEnter a formula in cell C9 using the PMT function to calculate the monthly payment on a loan using the assumptions listed in the Status Quo scenario. In the PMT formula, use C6 as the monthly interest rate (rate), C8 as the total number of payments (nper), and C4 as the loan amount (pv). Enter this formula in cell C9, and then copy the formula to the range D9:F9.
Answer:
=PMT(C6,C8,C4)
Put that in cell c9
Then use the lower right of the cell to drag it from D9:F9
In this exercise we have to use excel knowledge, so we have to:
=PMT(C6,C8,C4) in the cell C9 and extended to D9:F9
How is PMT calculated in Excel?PMT, one of the financial functions, calculates the payment for a loan based on constant payments and a constant interest rate. Use the Excel Formula Coach to figure out a monthly loan payment.
For this we need to put the form as:
=PMT(C6,C8,C4)
See more about excel at brainly.com/question/12788694
You are writing a paragraph in a word processor. You
want to use the same text that appears elsewhere in a
different document, but you want to keep it in the other
document. To get the other text into the new document
most efficiently, you should:
Cut and paste
Ctrl + S
Copy and paste
Print the text and retype it so you don't make any mistakes.
Answer:
Explanation:
I mean I would copy and paste it. I hope thats right
Suppose you have 9 coins and one of them is heavier than others. Other 8 coins weight equally. You are also given a balance. Develop and algorithm to determine the heavy coin using only two measurements with the help of the balance. Clearly write your algorithm in the form of a pseudocode using the similar notation that we have used in the class to represent sorting algorithms
Answer:
Following are the algorithm to this question:
Find_Heavier_Coins(Coin[9]):
i) Let Coin[] Array represent all Coins.
ii) Divide coin[] into 3 parallel bundles and each has three coins, example 0-2, 3-5, 6-8 indicate a1 a2 a3
iii) Randomly select any two bundles and place them in balance [say a1 and a2]
iv) If Weigh of a1 and a2 has same:
// checking that if a3 has heavier coin
Choose any two 6-8 coins and place them onto balance [say 6 and 8]
If those who weigh has the same weight:
Third coin is coin heavier [say 7]
else:
The coin [6 or 8] is the one which is heavier on the balance
else:
//The coin has the package which would be heavier on the balance [say a1]
Select any two coins on balance from of the heavier package [say 0 and 1]
If they weigh the same weight:
Third coin is coin heavier [say 2]
else:
The coin that is heavier on the balance is the [or 0]
Explanation:
In the above-given algorithm code, a method Find_Heavier_Coins is declared which passes a coin[] array variable in its parameters. In the next step, if conditional block is used that checks the values which can be described as follows:
In the first, if block is used that checks a1 and a2 values and uses another if block in this it will print a3 value, else it will print 6 to 8 value. In the another, if the block it will check third coins value and prints its value if it is not correct it will print first coin valueThe following numbers are inserted into a linked list in this order:
10, 20, 30, 40, 50, 60
What would the following statements display?
pCur = head->next;
cout << pCur->data << " ";
cout << pCur->next->data << endl;
a) 20 30
b) 40 50
c) 10 20
d) 30 40
Answer:
A. 20 30
Explanation:
Given
Linked list: 10, 20, 30, 40, 50, 60
Required
The output of the following code segment
pCur = head->next;
cout << pCur->data << " ";
cout << pCur->next->data << endl;
A linked list operates by the use of nodes which begins from the head to the next node, to the next, till it reaches the last;
The first line of the code segment; "pCur = head->next; " shifts the node from the head to the next node
The head node is the node at index 0 and that is 10;
This means that the focus has been shifted to the next at index 1 and that is 20;
So, pCur = 20
The next line of the code segment; cout << pCur->data << " "; prints pCur and a blank space
i.e. "20 " [Take note of the blank space after 20]
The last line "cout << pCur->next->data << endl; " contains two instructions which are
1. pCur = next->data;
2. cout<<pCur->data;
(1) shifts focus to the next node after 20 ; This gives pCur = 30
(2) prints the value of pCur
Hence, the output of the code segment is 20 30
Programming CRe-type the code and fix any errors. The code should convert non-positive numbers to 1.
if (userNum > 0)
printf("Positive.\n");
else
printf("Non-positive, converting to 1.\n");
user Num = 1;
printf("Final: %d\n", userNum);
1 #include Hem
int main(void) {
int userNum;
scanf("%d", &userNum);
return 0;
Answer:
Given
The above lines of code
Required
Rearrange.
The code is re-arrange d as follows;.
#include<iostream>
int main()
{
int userNum;
scanf("%d", &userNum);
if (userNum > 0)
{
printf("Positive.\n");
}
else
{
printf("Non-positive, converting to 1.\n");
userNum = 1;
printf("Final: %d\n", userNum);
}
return 0;
}
When rearranging lines of codes. one has to be mindful of the programming language, the syntax of the language and control structures in the code;
One should take note of the variable declarations and usage
See attachment for .cpp file
Write a basic program that performs simple file and mathematical operations.
a. Write a program that reads dates from input, one date per line. Each date's format must be as follows: March 1, 1990. Any date not following that format is incorrect and should be ignored. Use the find() method to parse the string and extract the date. The input ends with -1 on a line alone. Output each correct date as: 3/1/1990.
b. After the program is working as above, modify the program so that it reads all dates from an input file "inputDates.txt" (an Example file is attached).
c. Modify your program further so that after parsing all dates from the input file "inputDates.txt", it writes out the correct ones into an output file called: "parsedDates.txt".
Ex: If the input is:
March 1, 1990
April 2 1995
7/15/20
December 13, 2003
-1
then the output is:
3/1/1990
12/13/2003
Answer:
Explanation:
I have written the Python program based on your requirements.
Just give the path of the input file and the path for the output file correctly where you want to place the output file.
In, my code - I have given my computer's path to the input and output file.
You just change the path correctly
My code works perfectly and I have tested the code with your inputs.
It gives the exact output that you need.
I have attached the Output that I got by running the below program.
Code:
month_list={ "january":"1","february":"2", "march":"3","april":"4", "may":"5", "june":"6","july":"7", "august":"8", "september":"9","october":"10", "november":"11", "december":"12"} input_file=open('C:\\Users\\Desktop\\inputDates.txt', 'r') output_file=open('C:\\Users\\Desktop\\parsedDates.txt','w') for each in input_file: if each!="-1": lis=each.split() if len (lis) >=3: month=lis [0] day=lis[1] year=lis [2] if month.lower() in month_list: comma=day[-1] if comma==',': day=day[:len (day)-1] month_number=month_list[month.lower()] ans-month_number+"/"+day+"/"+year output_file.write (ans) output_file.write("\n") output_file.close() input_file.close()
- O X parsedDates - Notepad File Edit Format View Help 3/1/1990 12/13/2003
- X inputDates - Notepad File Edit Format View Help March 1, 1990 April 2 1995 7/15/20 December 13, 2003 -1
cheers i hope this helped !!
In this exercise we have to use the knowledge in computer language to write a code in python, like this:
the code can be found in the attached image
to make it simpler we have that the code will be given by:
month_list ={"january": "1", "february": "2", "march": "3", "april": "4", "may": "5", "june": "6", "july": "7", "august": "8", "september": "9", "october": "10", "november": "11", "december":"12"}
input_file = open ('C:\\Users\\Desktop\\inputDates.txt', 'r') output_file =
open ('C:\\Users\\Desktop\\parsedDates.txt', 'w') for each
in input_file:if each
!="-1":lis = each.split ()if len
(lis) >= 3:month = lis[0] day = lis[1] year = lis[2] if month
.lower ()in month_list:comma = day[-1] if comma
== ',': day = day[:len (day) - 1] month_number =
month_list[month.lower ()]ans - month_number + "/" + day + "/" +
year output_file.write (ans) output_file.write ("\n") output_file.
close ()input_file.close ()
See more about python at brainly.com/question/26104476
Which one of these is not a way of identifying that a website is secure?
a) Message on website
b) URL begins 'https://'
c) Colour of address bar
d) Padlock symbol
Answer:
B
Explanation:
all url's begin with https://
The university computer lab’s director keeps track of lab usage, as measured by the number of students using the lab. This function is important for budgeting purposes. The computer lab director assigns you the task of developing a data warehouse to keep track of the lab usage statistics. The main requirements for this database are to:
Answer:
to keep count of how many users there are in total.
Explanation:
all i had to do was read the question twice to understand the answer is pretty
much in the question.
The director of the computer lab tasks with creating a data warehouse to manage lab utilization data. The major needs for this database are to keep count of how many users there are in total.
What is the budgeting process?
The tactical measures used by a corporation to create a financial plan are the budgeting processes. Budgeting for a future time entails more than simply allocating spending; it also entails figuring out how much income is required to achieve organizational objectives.
These procedures are used by accounting departments to regulate corporate activities, particularly expenditure. A person may use budgeting process to record how much money a business makes and spends over a specific time period.
Therefore, With the aid of budgeting, it may establish financial objectives for the team and the entire organization.
Learn more about the budgeting process, refer to:
https://brainly.com/question/21411418
#SPJ2
Write a function named file_stats that takes one string parameter (in_file) that is the name of an existing text file. The function file_stats should calculate three statistics about in_file i.e. the number of lines it contains, the number of words and the number of characters, and print the three statistics on separate lines.
For example, the following would be be correct input and output. (Hint: the number of characters may vary depending on what platform you are working.)
>>> file_stats('created_equal.txt')
lines 2
words 13
characters 72
Answer:
Here is the Python program.
characters = 0
words = 0
lines = 0
def file_stats(in_file):
global lines, words, characters
with open(in_file, 'r') as file:
for line in file:
lines = lines + 1
totalwords = line.split()
words = words + len(totalwords)
for word in totalwords:
characters= characters + len(word)
file_stats('created_equal.txt')
print("Number of lines: {0}".format(lines))
print("Number of words: {0}".format(words))
print("Number of chars: {0}".format(characters))
Explanation:
The program first initializes three variables to 0 which are: words, lines and characters.
The method file_stats() takes in_file as a parameter. in_file is the name of the existing text file.
In this method the keyword global is used to read and modify the variables words, lines and characters inside the function.
open() function is used to open the file. It has two parameters: file name and mode 'r' which represents the mode of the file to be opened. Here 'r' means the file is to be opened in read mode.
For loop is used which moves through each line in the text file and counts the number of lines by incrementing the line variable by 1, each time it reads the line.
split() function is used to split the each line string into a list. This split is stored in totalwords.
Next statement words = words + len(totalwords) is used to find the number of words in the text file. When the lines are split in to a list then the length of each split is found by the len() function and added to the words variable in order to find the number of words in the text file.
Next, in order to find the number of characters, for loop is used. The loop moves through each word in the list totalwords and split each word in the totalwords list using split() method. This makes a list of each character in every word of the text file. This calculates the number of characters in each word. Each word split is added to the character and stored in character variable.
file_stats('created_equal.txt') statement calls the file_stats() method and passes a file name of the text file created_equal.txt as an argument to this method. The last three print() statements display the number of lines, words and characters in the created_equal.txt text file.
The program along with its output is attached.
In this challenge you will use the file regex_replace_challenge_student.py to:
Write a regular expression that will replace all occurrences of:
regular-expression
regular:expression
regular&expression
In the string: This is a string to search for a regular expression like regular expression or regular-expression or regular:expression or regular&expression
Assign the regular expression to a variable named pattern
Using the sub() method from the re package substitute all occurrences of the 'pattern' with 'substitution'
Assign the outcome of the sub() method to a variable called replace_result
Output to the console replace_results
Regular Expression Replace Challenge
The Python statement containing the string to search for the regular expression occurrence is below. search_string=’’’This is a string to search for a regular expression like regular expression or regular-expression or regular:expression or regular&expression’’’
Write a regular expression that will find all occurrences of:
a. regular expression
b. regular-expression
c. regular:expression
d. regular&expression in search_string
Assign the regular expression to a variable named pattern
The Python string below is used for substitution substitution="regular expression"
Using the sub() method from the re package substitute all occurrences of the ‘pattern’ with ‘substitution’
Assign the outcome of the sub() method to a variable called replace_result
Output to the console replace_results
import re
#The string to search for the regular expression occurrence (This is provided to the student)
search_string='''This is a string to search for a regular expression like regular expression or
regular-expression or regular:expression or regular&expression'''
#1. Write a regular expression that will find all occurrances of:
# a. regular expression
# b. regular-expression
# c. regular:expression
# d. regular&expression
# in search_string
#2. Assign the regular expression to a variable named pattern
#The string to use for subsitution (This is provided to the student)
substitution="regular expression"
#3. Using the sub() method from the re package substitute all occurrences of the 'pattern' with 'substitution'
#4. Assign the outcome of the sub() method to a variable called replace_result
#5. Output to the console replace_results
Answer:
Please follow the code indentation for the python program.
Explanation:
Consider a load-balancing algorithm that ensures that each queue has approximately the same number of threads, independent of priority. How effectively would a priority-based scheduling algorithm handle this situation if one run queue had all high-priority threads and a second queue had all low-priority threads
Answer and Explanation:
Consider giving greater priority to both the queue contains the national priority comment section as well as, therefore, first method the thread throughout this queue.If the item from either the major priority queue becomes decoupled, if the balancing between some of the number of comments in some of these two queues becomes disrupted, instead decouple one thread from either the queue comprising the low-value thread as well as position that one in the queue with the highest - priority loop to match the number of connections in such 2 queues.Whenever a new thread arrives with some kind of proper description, a friendly interface could've been introduced to just the queue contains fewer threads to achieve stability.Therefore, the load-balancing requirements for keeping about the same number of threads would be retained and the meaningful matter of top priority thread would also be retained.
Based on the information given, it is important to give higher priority to the queue that contains the high priority thread.
Also, once an element from the high priority queue is dequeued, then dequeue one thread from the queue containing low priority thread and this will be enqueued into the queue having high priority thread in order to balance the number of threads.
Since the priority queue automatically adjusts the thread, hence the removal of the thread from one priority queue to another is not a problem.
Learn more about threads on:
https://brainly.com/question/8798580
Create a program that asks the user to enter grade scores. Use a loop to request each score and add it to a total. Continue accepting scores until the user enters a negative value. Finally, calculate and display the average for the entered scores.
Answer:
total = 0
count = 0
while(True):
grade = float(input("Enter a grade: "))
if grade < 0:
break
else:
total += grade
count += 1
average = total/count
print("The average is: " + str(average))
Explanation:
*The code is in Python.
Initialize the total and count as 0
Create a while loop that iterates until a specific condition is met inside the loop
Inside the loop, ask the user to enter a grade. If the grade is smaller than 0, stop the loop. Otherwise, add the grade to the total and increment the count by 1.
When the loop is done, calculate the average, divide the total by count, and print it
Write a program that displays a menu allowing the user to select air, water, or steel, and then has the user enter the number of feet a sound wave will travel in the selected medium. The program should then compute and display (with four decimal places) the number of seconds it will take. Your program should check if the user enters a valid menu choice, if not, it should terminate with an appropriate message.
Answer:
yooooooooooooooooooooo
Explanation:
What program is best for teaching young people code?
How are a members details be checked and verified when they return to log back in to the website ?
Answer:
When you sign into a website, you have to enter a password and username most of the time, which will allow the website to know that you have checked in and it is you, who is using your account.
Part 1: For this assignment, call it assign0 Implement the following library and driver program under assign0: Your library will be consisting of myio.h and myio.c. The function prototypes as well as more explanations are listed in myio.h. Please download it and accordingly implement the exported functions in myio.c. Basically, you are asked to develop a simple I/O library which exports a few functions to simplify the reading of an integer, a double, and more importantly a string (whole line). In contrast to standard I/O functions that can read strings (e.g., scanf with "%s", fgets) into a given static size buffer, your function should read the given input line of characters terminated by a newline character into a dynamically allocated and resized buffer based on the length of the given input line. Also your functions should check for possible errors (e.g., not an integer, not a double, illigal input, no memory etc.) and appropriately handle them. Then write a driver program driver.c that can simply use the functions from myio library. Specifically, your driver program should get four command-line arguments: x y z output_filename. It then prompts/reads x many integers, y many doubles, and z many lines, and prints them into a file called output_filename.txt. Possible errors should be printed on stderr.
myio.h file
/*
* File: myio.h
* Version: 1.0
* -----------------------------------------------------
* This interface provides access to a basic library of
* functions that simplify the reading of input data.
*/
#ifndef _myio_h
#define _myio_h
/*
* Function: ReadInteger
* Usage: i = ReadInteger();
* ------------------------
* ReadInteger reads a line of text from standard input and scans
* it as an integer. The integer value is returned. If an
* integer cannot be scanned or if more characters follow the
* number, the user is given a chance to retry.
*/
int ReadInteger(void);
/*
* Function: ReadDouble
* Usage: x = ReadDouble();
* ---------------------
* ReadDouble reads a line of text from standard input and scans
* it as a double. If the number cannot be scanned or if extra
* characters follow after the number ends, the user is given
* a chance to reenter the value.
*/
double ReadDouble(void);
/*
* Function: ReadLine
* Usage: s = ReadLine();
* ---------------------
* ReadLine reads a line of text from standard input and returns
* the line as a string. The newline character that terminates
* the input is not stored as part of the string.
*/
char *ReadLine(void);
/*
* Function: ReadLine
* Usage: s = ReadLine(infile);
* ----------------------------
* ReadLineFile reads a line of text from the input file and
* returns the line as a string. The newline character
* that terminates the input is not stored as part of the
* string. The ReadLine function returns NULL if infile
* is at the end-of-file position. Actually, above ReadLine();
* can simply be implemented as return(ReadLineFile(stdin)); */
char *ReadLineFile(FILE *infile);
#endif
Answer:
Explanation:
PROGRAM
main.c
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include "myio.h"
int checkInt(char *arg);
int main(int argc, char *argv[]) {
int doubles, i, ints, lines;
char newline;
FILE *out;
int x, y, z;
newline = '\n';
if (argc != 5) {
printf("Usage is x y z output_filename\n");
return 0;
}
if (checkInt(argv[1]) != 0)
return 0;
ints = atoi(argv[1]);
if (checkInt(argv[2]) != 0)
return 0;
doubles = atoi(argv[2]);
if (checkInt(argv[3]) != 0)
return 0;
lines = atoi(argv[3]);
out = fopen(argv[4], "a");
if (out == NULL) {
perror("File could not be opened");
return 0;
}
for (x = 0; x < ints; x++) {
int n = ReadInteger();
printf("%d\n", n);
fprintf(out, "%d\n", n);
}
for (y = 0; y < doubles; y++) {
double d = ReadDouble();
printf("%lf\n", d);
fprintf(out, "%lf\n", d);
}
for (z = 0; z < lines; z++) {
char *l = ReadLine();
printf("%s\n", l);
fprintf(out, "%s\n", l);
free(l);
}
fclose(out);
return 0;
}
int checkInt(char *arg) {
int x;
x = 0;
while (arg[x] != '\0') {
if (arg[x] > '9' || arg[x] < '0') {
printf("Improper input. x, y, and z must be ints.\n");
return -1;
}
x++;
}
return 0;
}
myio.c
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
char *ReadInput(int fd) {
char buf[BUFSIZ];
int i;
char *input;
int r, ret, x;
i = 1;
r = 0;
ret = 1;
input = calloc(BUFSIZ, sizeof(char));
while (ret > 0) {
ret = read(fd, &buf, BUFSIZ);
for (x = 0; x < BUFSIZ; x++) {
if (buf[x] == '\n' || buf[x] == EOF) {
ret = -1;
break;
}
input[x*i] = buf[x];
r++;
}
i++;
if (ret != -1)
input = realloc(input, BUFSIZ*i);
}
if (r == 0)
return NULL;
input[r] = '\0';
input = realloc(input, r+1);
return(input);
}
int ReadInteger() {
char *input;
int go, num, x;
go = 0;
do {
go = 0;
printf("Input an integer\n");
input = ReadInput(STDIN_FILENO);
for (x = 0; x < INT_MAX; x++) {
if (x == 0&& input[x] == '-')
continue;
if (input[x] == 0)
break;
else if (input[x]> '9' || input[x] < '0') {
go = 1;
printf("Improper input\n");
break;
}
}
} while (go == 1);
num = atoi(input);
free(input);
return num;
}
double ReadDouble(void) {
int dec, exp;
char *input;
int go;
double num;
int x;
do {
go = 0;
dec = 0;
exp = 0;
printf("Input a double\n");
input = ReadInput(STDIN_FILENO);
for (x = 0; x < INT_MAX; x++) {
if (x == 0&& input[x] == '-')
continue;
if (input[x] == 0)
break;
else if (input[x] == '.' && dec == 0)
dec = 1;
else if (x != 0&& (input[x] == 'e' || input[x] == 'E') && exp == 0) {
dec = 1;
exp = 1;
}
else if (input[x]> '9' || input[x] < '0') {
go = 1;
printf("Improper input\n");
break;
}
}
} while (go == 1);
num = strtod(input, NULL);
free(input);
return num;
}
char *ReadLine(void) {
printf("Input a line\n");
return(ReadInput(STDIN_FILENO));
}
char *ReadLineFile(FILE *infile) {
int fd;
fd = fileno(infile);
return(ReadInput(fd));
}
myio.h
#ifndef _myio_h
#define _myio_h
/*
* Function: ReadInteger
* Usage: i = ReadInteger();
* ------------------------
* ReadInteger reads a line of text from standard input and scans
* it as an integer. The integer value is returned. If an
* integer cannot be scanned or if more characters follow the
* number, the user is given a chance to retry.
*/
int ReadInteger(void);
/*
* Function: ReadDouble
* Usage: x = ReadDouble();
* ---------------------
* ReadDouble reads a line of text from standard input and scans
* it as a double. If the number cannot be scanned or if extra
* characters follow after the number ends, the user is given
* a chance to reenter the value.
*/
double ReadDouble(void);
/*
* Function: ReadLine
* Usage: s = ReadLine();
* ---------------------
* ReadLine reads a line of text from standard input and returns
* the line as a string. The newline character that terminates
* the input is not stored as part of the string.
*/
char *ReadLine(void);
/*
* Function: ReadLine
* Usage: s = ReadLine(infile);
* ----------------------------
* ReadLineFile reads a line of text from the input file and
* returns the line as a string. The newline character
* that terminates the input is not stored as part of the
* string. The ReadLine function returns NULL if infile
* is at the end-of-file position. Actually, above ReadLine();
* can simply be implemented as return(ReadLineFile(stdin)); */
char *ReadLineFile(FILE *infile);
Write a short program in C that will display the following information:
Name : Phones:
email:
Hometown:
High School(s):
Previous colleges:
List college math/CS courses:
What, when, and where was your last math and cs course?
Type(s) of computers that you are confident working on:
Extracurricular activities (jobs, clubs, sports, etc.)
Favorite books, movies, music:
What you plan to do after graduation? (Be as specific as you can.)
Be sure to include all necessary documentation within your code
Answer:
Explanation:
The objective of this question and what we are meant to do is to compute a short program in C++ that will display the information given in the question.
Let get started!.
C ++ Program Code.
#include <iostream>
#include<string>
using namespace std;
int main()
{
string name,email,hometown,highschool,previousColleges,mathOrCSCource,lastMathOrCSCource,CompType,ExtraCur,FavBook
,planAfterGrad,phone;
//Reading Data
cout<<"Name:";
getline(cin,name);
cout<<"Phone:";
getline(cin,phone);
cout<<"Email:";
getline(cin,email);
cout<<"HomeTown:";
getline(cin,hometown);
cout<<"High School(s):";
getline(cin,highschool);
cout<<"Previous Colleges:";
getline(cin,previousColleges);
cout<<"List of math/CS Cources:";
getline(cin,mathOrCSCource);
cout<<"When,Where and what was your last math or CS course:";
getline(cin,lastMathOrCSCource);
cout<<"Type(s) of computer you are confident working with:";
getline(cin,CompType);
cout<<"ExtraCurricular Activities (job,club,sports,etc.):";
getline(cin,ExtraCur);
cout<<"Favourite books,movies,music:";
getline(cin,FavBook);
cout<<"What you plan to do after Graduation:";
getline(cin,planAfterGrad);
//Printing data
cout<<"--------------------Printing Data---------------------------"<<endl;
cout<<"Name:"<<name<<endl;
cout<<"Phone:"<<phone<<endl;
cout<<"Email:"<<email<<endl;
cout<<"HomeTown:"<<hometown<<endl;
cout<<"High School(s):"<<highschool<<endl;
cout<<"Previous Colleges:"<<previousColleges<<endl;
cout<<"List of math/CS Cources:"<<mathOrCSCource<<endl;
cout<<"When,Where and what was your last math or CS course:"<<lastMathOrCSCource<<endl;
cout<<"Type(s) of computer you are confident working with:"<<CompType<<endl;
cout<<"ExtraCurricular Activities (job,club,sports,etc.):"<<ExtraCur<<endl;
cout<<"Favourite books,movies,music:"<<FavBook<<endl;
cout<<"What you plan to do after Graduation:"<<planAfterGrad<<endl;
return 0;
}
Numbering exception conditions, which often uses hierarchical numbering, in a fully developed use case description is helpful to _______. a. tie the exception condition to a processing step b. show which exception conditions are subordinate to other exceptions c. provide an identifier for each exception condition d. tie exception conditions to other diagrams or descriptions
Answer:
a) tie the exception condition to a processing step
Explanation:
Numbering exception conditions, in a fully developed use case description is helpful to tie the exception condition to a processing step
The fully developed use case description is useful for the documentation of the context, purpose, description, conditions, and workflow of each use case. Activity diagrams give a graphical image of the use case workflow and serve the purpose of illustrating the alternative paths through a business process.
) If FIFO page replacement is used with five page frames and eight pages, how many page faults will occur with the reference string 236571345157245 if the five frames are initially empty?
Answer:
There are a total of 8 page faults.
Explanation:
In FIFO page replacement, the requests are executed as they are received. The solution is provided in the attached figure. The steps are as follows
Look for the digit in the pages. if they are available, there is no page fault. If the digit does not exist in the page frames it will result in an error.
Write an INSERT statement that adds these rows to the Invoice_Line_Items table:
invoice_sequence: 1 2
account_number: 160 527
line_item_amount: $180.23 $254.35
line_item_description: Hard drive Exchange Server update
Set the invoice_id column of these two rows to the invoice ID that was generated
by MySQL for the invoice you added in exercise 4.
Answer:
Insertion query for first row :
INSERT into Invoice_Line_Items (invoice_sequence, account_number, line_item_amount, line_item_description) Values (1, 160, '$180.23', "Hard drive Exchange");
Insertion query for second row :
INSERT into Invoice_Line_Items (invoice_sequence, account_number, line_item_amount, line_item_description) Values (2, 527, '$254.35', "Server update");
Explanation:
* In SQL for insertion query, we use INSERT keyword which comes under DML (Data manipulation Language).
* Statement is given below -
INSERT into Table_name (column1, column2, ....column N) Values (value1, value2, .....value N);
* With the use of INSERT query we can insert value in multiple rows at a same time in a table which reduces our work load.
You just got back from a convention where you saw some new software you think the information technology director could use. You can get a discount on the software for the next six weeks because you attended the convention. Unfortunately, the technology director is on vacation this week. How should you tell the IT director about this opportunity
Answer:
Video or Teleconferencing.
Explanation:
Solution
The method in which you will inform the IT director about this opportunity is through video conferencing or tele conferencing.
Video conferencing : refers to a method whereby it enables people at two or more locations or places to hear and see each other simultaneously through computers and communication technology.
what is exchanged between them are information such as visual web cameras and online streaming videos.
Teleconferencing: It is a method of sharing or discussion information and news among a large group of people or team at different places at the same time.
Which of the following does Google use to display the characters of the page’s meta title?
Explanation:
search engine because it helps to search find what you are expecting to search in the google.
What’s the best way to figure out what wires what and goes where?
Identify a logical operation (along
with a corresponding mask) that, when
applied to an input string of 8 bits,
produces an output string of all 0s if and
only if the input string is 10000001.
Answer: Provided in the explanation section
Explanation:
The Question says;
Identify a logical operation (along
with a corresponding mask) that, when
applied to an input string of 8 bits,
produces an output string of all 0s if and
only if the input string is 10000001.
The Answer (Explanation):
XOR, exclusive OR only gives 1 when both the bits are different.
So, if we want to have all 0s, and the for input only 10000001, then we have only one operation which satisfies this condition - XOR 10000001. AND
with 00000000 would also give 0,
but it would give 0 with all the inputs, not just 10000001.
Cheers i hope this helped !!
Remember to save _____ and be certain that you have your files saved before closing out.
