Answer:
def countdown():
print("This is countdown")
number = int(input("Enter number: "))
if (number > 0):
countdown()
Explanation:
This is literally what you asked, but what is the purpose?
Combination of one or more columns used to identify particular rows in a relation is a (n)
Answer:
Combination of one or more columns used to identify particular rows in a relation is a key
A key is a combination of one or more columns that is used to identify particular rows in a relation.
KEYS in DBMS (database management system) is an attribute or set of attributes which helps you to identify a row in a relation(table). They allow you to find the relation between two tables.
Keys help you uniquely identify a row in a table by a combination of one or more columns in that table. Key is also helpful for finding unique record or row from the table.
Database key is also helpful for finding unique record or row from the table.
Find out more on DBMS at: https://brainly.in/question/1919695
You are working with an online tech service to fix a problem with installation of a program on your machine. You grant them remote access to your computer to enable them to act as you to fix situation. What type of must be installed on your machine to allow this type of action by another person
Answer:
Single User OS.
Explanation:
An operating system is a system software pre-installed on a computing device to manage or control software application, computer hardware and user processes.
This ultimately implies that, an operating system acts as an interface or intermediary between the computer end user and the hardware portion of the computer system (computer hardware) in the processing and execution of instructions.
Some examples of an operating system on computers are QNX, Linux, OpenVMS, MacOS, Microsoft windows, IBM, Solaris, VM etc.
There are different types of operating systems (OS) used for specific purposes and these are;
1. Batch Operating System.
2. Multitasking/Time Sharing OS.
3. Multiprocessing OS.
4. Network OS.
5. Mobile OS.
6. Real Time OS .
7. Distributed OS.
8. Single User OS.
A Single User OS is a type of operating system that only allows one user to perform a task or use a system at any time.
In this scenario, you are working with an online tech service to fix a problem with installation of a program on your machine. You grant them remote access to your computer to enable them to act as you to fix situation. Therefore, the type of OS which must be installed on your machine to allow this type of action by another person is called a Single User OS.
Save an image as a separate file by right-clicking the image and then clicking this option at the
shortcut menu
A) Save page as
B) Save Picture as
C) Save Image as
D) None of the above
Answer:
Save image as
Explanation:
Which situations are the most likely to use telehealth? Select 3 options.
Your doctor emails a suggested diet plan.
Your brother was tested for strep throat and now you think you have it.
Your doctor invites you to use the patient portal to view test results.
You broke your arm and need a cast
You request an appointment to see your doctor using your health app.
Answer:
Your doctor emails a suggested diet plan.
Your brother was tested for strep throat and now you think you have it.
Your doctor invites you to use the patient portal to view test results.
Answer:
Your doctor emails a suggested diet plan
You request an appointment to see your doctor using your health app
Your doctor invites you to use the patient portal to view test results
Explanation:
Edge 2022
You are asked to write a program that prompts the user for the size of two integer arrays, user input for the size must not exceed 50, you must validate this. We will use these arrays to represent our sets. These arrays will be randomly populated in the range that is 1 through double the size of the array. So if the array is of size 20, you will randomly populate it with values in the range 1-40 inclusive.
Answer:
In Java:
import java.util.*;
public class MyClass{
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.print("Length of array 1: ");
int lent1 = input.nextInt();
while(lent1 <= 0 || lent1 > 50){
System.out.print("Length of array 1: ");
lent1 = input.nextInt();
}
int[] array1 = new int[lent1];
System.out.print("Length of array 2: ");
int lent2 = input.nextInt();
while(lent2 <= 0 || lent2 > 50){
System.out.print("Length of array 2: ");
lent2 = input.nextInt();
}
int[] array2 = new int[lent2];
for(int i =0;i<lent1;i++){
array1[i] = (int)(Math.random() * (lent1*2) + 1);
}
for(int i =0;i<lent2;i++){
array2[i] = (int)(Math.random() * (lent2*2) + 1);
}
System.out.print("Array 1: ");
for(int i =0;i<lent1;i++){
System.out.print(array1[i]+" ");
}
System.out.println("Array 2: ");
for(int i =0;i<lent2;i++){
System.out.print(array2[i]+" ");
}
}
}
Explanation:
This prompts the user for length of the first array
System.out.print("Length of array 1: ");
This declares and gets input for the length of the first array
int lent1 = input.nextInt();
This validates the length of first array
while(lent1 <= 0 || lent1 > 50){
System.out.print("Length of array 1: ");
lent1 = input.nextInt(); }
This declares the first array
int[] array1 = new int[lent1];
This prompts the user for length of the second array
System.out.print("Length of array 2: ");
This declares and gets input for the length of the second array
int lent2 = input.nextInt();
This validates the length of the second array
while(lent2 <= 0 || lent2 > 50){
System.out.print("Length of array 2: ");
lent2 = input.nextInt(); }
This declares the second array
int[] array2 = new int[lent2];
The following generates random integers between 1 and lent1*2 to array 1
for(int i =0;i<lent1;i++){
array1[i] = (int)(Math.random() * (lent1*2) + 1); }
The following generates random integers between 1 and lent2*2 to array 2
for(int i =0;i<lent2;i++){
array2[i] = (int)(Math.random() * (lent2*2) + 1); }
This prints the header Array 1
System.out.print("Array 1: ");
The following iteration prints the content of the first array
for(int i =0;i<lent1;i++){
System.out.print(array1[i]+" ");
}
This prints the header Array 2
System.out.println("Array 2: ");
The following iteration prints the content of the second array
for(int i =0;i<lent2;i++){
System.out.print(array2[i]+" ");
}
Write a SELECT statement that returns one row for each customer that has orders with these columns: The email_address from the Customers table
A count of the number of orders
The total amount for each order
(Hint: First, subtract the discount amount from the price. Then, multiply by the quantity.) Return only those rows where the customer has more than 1 order. Sort the result set in descending sequence by the total amount . Hint: You will join three tables together. Returns 3rows of data.
Questions done up until #4: https://pastebin.com/LwSKknPi
all questions before and after:
Write a SELECT statement that returns these columns:
The count of the number of orders in the Orders table
The sum of the tax_amount columns in the Orders table
Returns 1 row of data.
Write a SELECT statement that returns one row for each category that has products with these columns:
The category_name column from the Categories table
The count of the products in the Products table
The list price of the most expensive product in the Products table
Sort the result set so the category with the most products appears first.
Hint: You will join two tables together. Returns 3 rows of data.
Write a SELECT statement that returns one row for each customer that has orders with these columns:
The email_address column from the Customers table
The sum of the item price in the Order_Items table multiplied by the quantity in the Order_Items table
The sum of the discount amount column in the Order_Items table multiplied by the quantity in the Order_Items table
Sort the result set in descending sequence by the item price total for each customer.
Hint: You will join three tables together. Returns 7 rows of data.
Modify the solution to exercise 4 so it only counts and totals line items that have an item_price value that’s greater than 400. Returns 2 rows of data.
Write a SELECT statement that answers this question: What is the total amount ordered for each product? Return these columns:
The product name from the Products table
The total amount for each product in the Order_Items (Hint: You can calculate the total amount by subtracting the discount amount from the item price and then multiplying it by the quantity)
Use the WITH ROLLUP operator to include a row that gives the grand total.
Hint: You will join two tables together. Returns 10 rows of data.
Write a SELECT statement that answers this question: Which customers have ordered more than one product? Return these columns:
The email address from the Customers table
The count of distinct products from the customer’s orders
Hint: You will join three tables together. . Returns 3 rows of
Answer:
Please find the attachment files of the queries:
Explanation:
In the all queries the select statement is used that selects the defined columns and use the function like sum, join, orderby, and groupby to perform the various operations, in which the sum is used to add columns or rows values, join is used for joining two or more tables, and orderby is used for return the table into ascending or descending order, and groupby is used for the count the value, calculate average and perform other operation and gives its return value.
it is an electronic device that capable of accessing accepting processing product and storing data
"A computer is an electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program." "A computer is an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data."
List and fully describe at least 3 examples of input devices and how they are applied in the real world. (In separate paragraphs.)
Answer:
1. Mouse
2.Graphic Tablet
3.Keyboard
Explanation:
1. A computer mouse (plural mice, rarely mouses) is a hand-held pointing device that detects two-dimensional motion relative to a surface. This motion is typically translated into the motion of a pointer on a display, which allows a smooth control of the graphical user interface of a computer.
2.Graphic tablets, because of their stylus-based interface and ability to detect some or all of pressure, tilt, and other attributes of the stylus and its interaction with the tablet, are widely considered to offer a very natural way to create computer graphics, especially two-dimensional computer graphics
3.A keyboard is for putting information including letters, words and numbers into your computer. You press the individual buttons on the keyboard when you type. The number keys across the top of the keyboard are also found on the right of the keyboard. The letter keys are in the centre of the keyboard.
The math club starts with 5 members. Five months later, their membership has grown to 50 members.
What was the average number of members who joined the math club per month?
Explanation:
10 members per month i think
Answer:
10 members per month
Explanation:
brainliest pls its right i think
have a good day :D
If columns are labelled alphabetically, what will be the label for the cell in row 1, column 16,384?
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
Hope this helps!
The components of hardware include:
A) Monitor, CPU, Disk Drives, Printer, Keyboard/Mouse
B) Monitor, CPU, Disk Drives, Touch Screen, Keyboard/Mouse
C) Monitor, CPU, Software, Printer, Keyboard/Mouse
D) None of the above
Answer:
A
Explanation:
Monitor, CPU, Disk Drives, Printer, Keyboard/mouse
Answer:
B.monitor,cpu,disk drives,touch screen,keyboard/Mouse
8.15 lab*: Program: Playlist
Answer:
8.15 LAB* Program: Playlist You Will Be Building A Linked List. Make Sure To Keep Track Of Both The Head And Tail Nodes. (1) Create Three Files To Submit • PlaylistNode. h - Struct Definition And Related Function Declarations • PlaylistNode.
What are the three types of networks?
A) Internet, PowerPoint, Excel
B) Internet, LAD, WAN
C) Internet, WAN, LAN
D) None of the above
Answer:
Local Area Network (LAN)
Metropolitan Area Network (MAN)
Wide area network (WAN)
(So C, I'm pretty sure.)
Answer:
LAN,MAN,WANExplanation:
are the three types of networkIn Linux, users are internally represented using a unique number called user ID or uid.
a. True
b. False
Answer:
a. True
Explanation:
An operating system is a system software pre-installed on a computing device to manage or control software application, computer hardware and user processes.
This ultimately implies that, an operating system acts as an interface or intermediary between the computer end user and the hardware portion of the computer system (computer hardware) in the processing and execution of instructions.
Some examples of an operating system on computers are QNX, Linux, OpenVMS, MacOS, Microsoft windows, IBM, Solaris, VM etc.
In Linux, users are internally represented using a unique number called user ID or UID. Thus, this unique number serves as an internal identifier in the Linux Kernel and as such determines what system resources may be accessible to each user. Oftentimes, these unique numbers are not put into use but rather a name is linked with the number and are used instead.
Also, users can be organized logically into a group and are represented uniquely with a group ID or GID, which serves as a global identifier for the users.
Hello! So I have been practising some coding, however, there seems to be an error in my code. I have been trying to figure out what is wrong, however, I just can't seem to find it. There is no syntax error but, there seems to be a problem with my input. I am currently using repl.it and I am making a calculator. I would input something like "multiply" however, the calculator would only square. I have tried changing the variables but it just keeps coming back to the first "if" statement. I would appreciate some help.
Answer:
You OR expressions are wrong.
Explanation:
Rather than writing:
if method == "Square" or "square":
You should write:
if method == "Square" or method == "square":
The expression should evaluate to something that is true or false.
In the above case, the expression is method == "Square" or method == "square" which can are actually two sub-expressions with an or in between them:
subexpr1 or subexpr2
each of the sub-expressions should evaluate to true or false.
method == "Square" is one of those sub-expressions.
That is how an expression is broken down by the compiler.
TIP: If you would add method = method.lower() right after the input, you could simplify all the if statements by removing the uppercase variants.
A school has 100 lockers and 100 students. All lockers are closed on the first day of school. As the students enter, the first student, denoted S1, opens every locker. Then the second student, S2, begins with the second locker, denoted L2, and closes every other locker (i.e. every even numbered locker). Student S3 begins with the third locker and changes every third locker (closes it if it was open, and opens it if it was closed). Student S4 begins with locker L4 and changes every fourth locker. StudentS5 starts with L5 and changes every fifth locker, and so on, until student S100 changes L100.After all the students have passed through the building and changed the lockers, which lockers areopen? Write a program to find your answer.(Hint: Use an array of 100 boolean elements. each of which indicates whether a locker is open (true) or closed (false). Initially, all lockers are closed.)
Solution :
public class NewMain {
public_static void main_(String[] args) {
boolean[] _locker = new boolean_[101];
// to set all the locks to a false NOTE: first locker is the number 0. Last locker is the 99.
for (int_i=1;i<locker_length; i++)
{
locker[i] = false;
}
// first student opens all lockers.
for (int i=1;i<locker.length; i++) {
locker[i] = true;
}
for(int S=2; S<locker.length; S++)
{
for(int k=S; k<locker.length; k=k+S)
{
if(locker[k]==false) locker[k] = true;
else locker[k] = false;
}
}
for(int S=1; S<locker.length; S++)
{
if (locker[S] == true) {
System.out.println("Locker " + S + " Open");
}
/* else {
System.out.println("Locker " + S + " Close");
} */
}
}
}
2. BIOS is contained in ROM and not in RAM. Can you guess why?
Answer:
Because RAM is only used for short term storage (and doesn't contain anything that will need to be accessed often) RAM it loses its contents when turned off. So when you power on a computer, it has to start running bootup code which has to be stored in ROM
h. What is recycle bin?
->
Answer:
Trash application, the Recycle Bin
Which image-editing tool can be used to help remove spots and other marks from an image?
A. brighten
B. stylize
C. healing brush
D. contrast
E. desaturate
Answer:
c. healing brush
Explanation:
A data science experiment you are conducting has retrieved two historical observations for the price of Bitcoin(BTC) on December 2, 2017 of 11234 and 12475. Create a Python script that stores these two historicalobservations in a list variable namedbtcdec1.Your data science experiment requires four additional data tasks. The first task is to use the listappend()method to add the BTC price of 14560 to the listbtcdec1. The second task is to create a new empty listnamedbtcdec2and append the BTC prices of 15630, 12475, and 14972. The third task required you to usethe listextend()method to add the contents ofbtcdec2into the listbtcdec1. The fourth and final taskrequires you to use the listsort()method of the listbtcdec1to sort the items in the newly extended list,then use theprintstatement to output the content of listbtcdec1to the Python console.Starter code:_______.
Answer:
Following are the code to this question:
btcdec1=[11234, 12475] #defining a list btcdec1 that holds two integer values
btcdec1.append(14560)#using append method to add value in btcdec1 list
btcdec2=[]#defining an empty list btcdec2
btcdec2.append(15630)#using append method to add value in btcdec2 list
btcdec2.append(12475)#using append method to add value in btcdec2 list
btcdec2.append(14972)#using append method to add value in btcdec2 list
btcdec1.extend(btcdec2)#using the extend method to add value list into btcdec1
btcdec1.sort()#using sort method to arrange value in ascending order
print(btcdec1)#print list btcdec1
Output:
[11234, 12475, 12475, 14560, 14972, 15630]
Explanation:
In this code a list "btcdec1" is declared, which holds two integer variables, in the next step, it uses the append method to add another element into the list.
In the next step, another empty list "btcdec2" is declared, which uses the append method to hold the integer element, and uses the extend and sort method to add the second list into the first one and then sort the whole list and print its values.
Write a program that computes how much each person in a group needs to pay (after tax and tip) when splitting the bill equally. Specifically, your program should: 1. Ask a user for the number of people in the party 2. Ask a user for the total bill amount before tax and tip 3. Output the amount due per person after tax and tip Assume that tax is 7.25%, and tip is 20% (tip is before tax).
what is ergonomic in computer science
Answer:
Ergonomics is the science of fitting jobs to people. One area of focus is on designing computer workstations and job tasks for safety and efficiency. Effective ergonomics design coupled with good posture can reduce employee injuries and increase job satisfaction and productivity.
5. The operating system has two components
a. Software and Hardware
c. Shell and Kernel
b. Sof
d. File
Have you ever tried using such a camera?
Answer: yeah i mean i use my canon camera
Explanation:
who is the father of computer?
1.Charles Babbage 2.James Waat
Answer:
its 1 Charles babbage
Explanation:
shjdjdjdjdjdj
Answer:
Si Charles Babbage,
Explanation:
FRS ay isang Ingles na matematiko, pilosopo, imbentor, at inhinyerong mekanikal na nagpanimula ng konsepto ng isang naipoprogramang kompyuter. Nakatanghal ang mga bahagi ng kanyang hindi pa buong mga mekanismo sa Museo ng Agham sa London.
1. It is a set of integrated devices that input, output,
process, and store data and information.
a. Computer hardware
b. Computer software
c. Computer system
d. Computer program
A set of integrated devices that input, output, process, and store data and information is called: C. Computer system.
What is a computer system?A computer system can be defined as an electronic device that is designed and developed to receive data in its raw form as input and processes these data into an output (information) that could be used by an end user.
The components of a computer.Basically, the components of a computer system are classified as follows:
MotherboardCentral processing unit (CPU)Output InputRead more on computer system here: brainly.com/question/959479
How is QA done in agile projects
200+300-500.
Explanation:
rjfnvkfjfhfofgfohgighghgiggh
You should write the client so that it sends 10 ping requests to the server, separated by approximately one second. Each message contains a payload of data that includes the keyword PING, a sequence number, and a timestamp. After sending each packet, the client waits up to one second to receive a reply. If one second goes by without a reply from the server, then the client assumes that its packet or the server's reply packet has been lost in the network.Hint: Cut and paste PingServer, rename the code PingClient, and then modify the code. The two programs follow very similar process.You should write the client so that it starts with the following command:java PingClient host portwhere host is the name of the computer the server is running on and port is the port number it is listening to. Note that you can run the client and server either on different machines or on the same machine.The client should send 10 pings to the server. Because UDP is an unreliable protocol, some of the packets sent to the server may be lost, or some of the packets sent from server to client may be lost. For this reason, the client cannot wait indefinitely for a reply to a ping message. You should have the client wait up to one second for a reply; if no reply is received, then the client should assume that the packet was lost during transmission across the network. You will need to research the API for DatagramSocket to find out how to set the timeout value on a datagram socket.When developing your code, you should run the ping server on your machine, and test your client by sending packets to localhost (or, 127.0.0.1). After you have fully debugged your code, you should see how your application communicates across the network with a ping server run by another member of the class.Message FormatThe ping messages in this lab are formatted in a simple way. Each message contains a sequence of characters terminated by a carriage return character (r) and a line feed character (n). The message contains the following string:PING sequence_number time CRLFwhere sequence_number starts at 0 and progresses to 9 for each successive ping message sent by the client, time is the time when the client sent the message, and CRLF represent the carriage return and line feed characters that terminate the line.
Answer:
figure it out urself
Explanation:
Can someone tell me how to get rid of the the orange with blue and orange on the status bar
Please and thank you
Picture above
Answer:
Explanation:
i'm not sure how tho
lower cabinet is suitable for storing and stocking pots and pans true or false
