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Worksheets

Year 9 Spring review

Total questions: 26

Worksheet time: 15mins

Name
Class
Date
1.

Which logic gate is shown in the picture?

a)

AND

b)

NOT

c)

OR

2.

Convert the number 00010 from binary to denary

(a)  

3.

In binary what is the smallest unit of data called?

(a)  

4.

In Python what is the command to share a message to the screen?

a)

print

b)

output

c)

Print

d)

OUTPUT

5.

There is an error in this code. Write the correct version

name = input("What is your name?)

(a)  

6.

The amount of colours used in a picture is called what?

a)

colour depth

b)

resolution

c)

image colours

d)

meta data

7.

I want to use a spreadsheet to add up the cells B1, B2, B3 and B4 which of these formulas will do it correctly?

a)

B1+B2+B3+B4

b)

= B1 +B1 +B3 +B4

c)

SUM B1 +B2 + B3 +B4

d)

=sum(B1:B4)

8.

This device connects a network to the internet but what is it called?

a)

Network access point

b)

Wi-Fi

c)

Router

d)

Network Interface Card

9.

Which network topology is shown in the picture?

a)

Star

b)

Partial mesh

c)

Bus

d)

Ring

10.

In 2011 Sony had a massive breach of it's customers data which lead to the theft of 77 million names, addresses and potentially credit card details. Which law did Sony break?

a)

Computer Misuse Act

b)

Data Protection Act

c)

Copyright Design and Patents Act

d)

Freedom of Information Act

11.

To store an image on a computer, the image is broken down into tiny elements called _______________.

a)

pixels

b)

picture boxes

c)

squares

12.

In digital imaging,

pixel is short for __________________

a)

picture element

b)

pix element

c)

picture

13.

Generally, what is the shape of a pixel?

a)

Circle

b)

Star

c)

Triangle

d)

Square

14.

The number of pixels used to make an image is

a)

resolution

b)

solution

c)

roller

15.

Images on computer screens have ____________________of rows and columns

a)

one or two

b)

hundreds or thousands

c)

ten or twenty

16.

The more pixels you have in an image the better the quality of the image

a)

True

b)

False

17.

The bigger the pixels you have in an image the better the quality of the image

a)

True

b)

False

18.
What is computational thinking?
a)
It allows you to break down a large / complex problem into smaller parts.
b)
It is thinking like a robot
c)
It is being able to bake a cake.
d)
It is creating a coding solution to a problem.
19.
What are the three key parts of computational thinking?
a)
Programming, flowcharts and pseudo code
b)
Abstraction, decomposition and algorithm
c)
Input, processing and output
d)
Patterns, shapes and numbers
20.
What is an algorithm?
a)
A sequence of instructions on how to solve a problem.
b)
The breaking down of a problem into smaller parts.
c)
Focusing on important parts and ignoring the irrelevant details
d)
The recipe for a cake
21.
What are the two main ways that we represent an algorithm?
a)
By drawing pictures 
b)
Using flowcharts and pseudo code
c)
Using python and small basic
d)
Using Scratch and python
22.
What does the following symbol represent in a flowchart?
a)
An input
b)
Start
c)
End
d)
A process
23.
What does the following flowchart symbol represent?
a)
A process
b)
An output
c)
A decision (choice)
d)
End
24.
What does the following flowchart symbol represent?
a)
Input / Output
b)
Start of flowchart
c)
A process
d)
End
25.
What does the following flowchart symbol represent?
a)
Process
b)
Input
c)
Start / End
d)
Sub-process
26.
What does the following flowchart symbol represent?
a)
A process
b)
Input / Output
c)
Start / End
d)
A sub-process