programming

Question 1

what is an input?

Answer 1

when a user types in data

Question 2

what is an output?

Answer 2

when data is outputted from the program

Question 3

what does print do?

Answer 3

it outputs data for the user to see when running the program

Question 4

what is a variable?

Answer 4

a piece of data that is saved in the program

Question 5

what data type is string?

Answer 5

string is a data type saved as text

Question 6

what data type is integer?

Answer 6

integer is a data type saved as a whole number

Question 7

what data type is boolean?

Answer 7

boolean is a data type saved as true or false

Question 8

what data type is float/real?

Answer 8

float/real is a data type saved as a decimal number

Question 9

what data type is character?

Answer 9

character is a data type saved as a single letter/ string

Question 10

what does if else do in a program?

Answer 10

it gives a condition so if it is met then it will do something and the same if it is not met

Question 11

what is iteration?

Answer 11

a loop

Question 12

what is definite iteration?

Answer 12

a loop that will happen continuously

Question 13

what is indefinite iteration?

Answer 13

a loop that ends and only goes on for so long

Question 14

why do loops make programs more efficient?

Answer 14

as it lowers the amount of code that needs to be written

Question 15

what is authentication?

Answer 15

confirming that something is true or real

Question 16

what is while in python used for?

Answer 16

while is used to execute a block of code when the condition is true

Question 17

why is elif used in if…else?

Answer 17

to give multiple conditions

Question 18

what does this code do?
for i in range(4):
turtle.forward(100)
turtle.right(90)

Answer 18

it draws a square

Question 19

what happens in the shell window?

Answer 19

i is where all the outputs from the program appear and where the user can input data into the program

Question 20

what does an index for a string do?

Answer 20

it marks the position of each of the characters and gives them a number to remember this position