Programming basics

Question 1

what is an integer

Answer 1

whole number

Question 2

what is a float

Answer 2

decimals

Question 3

what is aboolean

Answer 3

true or false

Question 4

what is character

Answer 4

a single letter, number or symbol

Question 5

what is a string

Answer 5

a collection of characters

Question 6

what is casting

Answer 6

changing the data type of a variable

Question 7

what is the symbol of power

Question 8

what is the symbol for DIV

Answer 8

//

Question 9

what is the symbol for MOD

Answer 9

%

Question 10

what does DIV do

Answer 10

returns how many times one number goes into another

Question 11

what does MOD do

Answer 11

returns the remainder

Question 12

what is the symbol for not equal to

Answer 12

!=

Question 13

what is constant

Answer 13

a variable that cannot be changed when a program is being run

Question 14

how do you make a constant in Python

Answer 14

put “const” before the variable name

Question 15

what are the 2 types of loops

Answer 15

condition controlled loops
count controlled loops

Question 16

what are the 3 parts of the code

Answer 16

sequence
selection
iteration

Question 17

what is sequence

Answer 17

the order in which code is executed

Question 18

what is selection

Answer 18

a part of the program that makes a choice

Question 19

what is iteration

Answer 19

a loop

Question 20

what is an array

Answer 20

a list of values or data

Question 21

what are the 3 ways you can open a file

Answer 21

read
write
append

Question 22

what happens when you open a file as read

Answer 22

you can only read the data and cannot edit it

Question 23

what happens when you open a file and write

Answer 23

it will delete or the data on the file and write over it

Question 24

what happens when you open a file as an append

Answer 24

it will add data to end of the file

Question 25

what line of code is used to open a file

Answer 25

file = open(“file.txt”)

Question 26

what line is used to close a file

Answer 26

file.close()

Question 27

what line is used to read a line

Answer 27

file.readLine()

Question 28

what line is used to write a line

Answer 28

file.writeLine()

Question 29

what are the 3 parts of an SQL search

Answer 29

SELECT
FROM
WHERE

Question 30

what do you put in SELECT in SQL

Answer 30

what field you want

Question 31

what do you put in FROM in SQL

Answer 31

the name of the table

Question 32

what do you put in WHERE in SQL

Answer 32

the condition

Question 33

what are the 2 types of sub-programs

Answer 33

function
procedures

Question 34

what is the difference between a function and a procedure

Answer 34

a function returns a value

Question 35

what do you call a piece of data that a function will take in

Answer 35

parameter

Question 36

what are some benefits of subprograms

Answer 36

help organise data
efficient