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Y9 Mini Recap

Total questions: 8

Worksheet time: 5mins

Name
Class
Date
1.
What are the only two numbers you can use in binary?
a)
0 and 1
b)
1 and 2
c)
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
d)
1, 2, 4, 8, 16
2.
How would you write the number two in binary?
a)

1001

b)

0001

c)

0000

d)

0010

3.

What is an algorithm?

a)

Patterns and trends used to solve a problem

b)

A list of step-by-step instructions to solve a problem

c)

A programming language

4.

All bitmap images are made up of...?

a)

Pixels

b)

Colours

c)

Sounds

d)

Samples

5.

Which of the following is a characteristic of an algorithm?

a)

It must have a clear start and end

b)

It can be ambiguous

c)

It is always written in a programming language

d)

It does not require a logical sequence

6.

What is the primary purpose of using binary in computers?

a)

To simplify complex calculations

b)

To represent data using two states

c)

To increase processing speed

d)

To reduce memory usage

7.

Which of the following is NOT a step in problem-solving?

a)

Identify the problem

b)

Implement the solution

c)

Ignore the problem

d)

Evaluate the results

8.

A computer is an electronic device for storing and processing data.

a)

True

b)

False