Computer Science GCSE Revision Paper 2

William is writing a computer program. He makes a ___________error that prevents the program from executing.

Alexander is writing a program that runs without any errors, but the output is not what he expected. This is an example of a ____________ error.

Reorder the following

• sequence

• num = 0

  while num < 5:

  print(num)

  num += 1

• selection

• age = 5

  name = "Beth"

  print("Hi", name)

  print("Your age is", age)

• condition controlled loop

• for x in range(5):

  print(x)

• casting

• number = "45"

  val = int(number)

• count-controlled loop

• name = input()

  if name == "Stop":

  print("Terminated")

Benjamin is creating a program to store the names of his friends. Which data type is most appropriate to store a name?

• char

• string

• real

• bool

Label the following code

a

b

c

d

e

f

g

h

input statement

function call

function definition

casting

return value

output statement

substring

concatenation

iteration

parameters

Alexander is creating a program to keep track of people's ages. Which data type should he use to store a person's age?

• string

• bool

• int

• char

Ava is designing a program to check if a user is logged in or not. What is the most suitable data type for Ava to use to represent a true or false value?

• string

• int

• real

• bool

Arjun is designing a program to store the first letter of a user's name. Which data type should he use to store a single letter?

• real

• int

• char

• string

Complete the following code:

a

b

c

file.write

write

close

open

file.close()

Evie is building a custom computer and wants to write a program that can directly control the hardware components, such as memory and CPU. Which category of programming languages should Evie use to achieve this?

• High level languages

• low level languages

• Compilers

• Translators