2.2.1 Programming fundamentals

Question 1

What is a variable? [2]

Answer 1

A location in memory [1] that stores a value [1]

Question 2

What is a constant? [1]

Answer 2

A variable that should not be changed while the program is running [1]

Question 3

What are the 5 data types for variables? [5]

Answer 3

Character, Real, Integer, Boolean, String

Question 4

What is the operator for equal to?

Answer 4

==

Question 5

What is the operator for not equal to?

Answer 5

!=

Question 6

What is the operator for less than or equal to?

Answer 6

<=

Question 7

What is the operator for greater than or equal to?

Answer 7

> =

Question 8

What does MOD do?

Answer 8

Divides and gives the remainder, e.g. 5 MOD 2 = 1

Question 9

What does DIV do?

Answer 9

Divides and discards the remainder, e.g. 3 DIV 2 = 2

Question 10

What does the ^ operator do?

Answer 10

Exponentiation, e.g. 2 ^ 3 is 8

Question 11

What is 9 MOD 5?

Answer 11

4

Question 12

What is 7 DIV 2?

Answer 12

3

Question 13

How would you write this statement in Python? If the user’s age is greater than 12, but below 20.

Answer 13

if age > 12 and age < 20

Question 14

How would you write this statement in Python? If the user’s name is ‘Dave’ or ‘Sarah’

Answer 14

if name == ‘Dave’ or name == ‘Sarah’

Question 15

Assign the value “Dave” to the variable name

Answer 15

name = “Dave”

Question 16

Take a user’s name as an input and assign it to the variable name.

Answer 16

name = input(“Enter your name”)

Question 17

What is a count controlled loop? [3]

Answer 17

A loop that repeats [1] until a count is reached [1] a for loop. [1]

Question 18

What is a condition controlled loop? [3]

Answer 18

A loop that repeats [1] while a condition is met [1] a while loop [1]

Question 19

Is this code selection or iteration?

while name != “Dave”:
name = input(“Enter your name”)

Answer 19

Iteration