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WorksheetsDigital Systems and Binary Basics Quiz
Total questions: 21
Worksheet time: 11mins
What is a digital system?
A system that only uses the internet
A system that uses digital data to work
A system that only uses electricity
A system that stores paper files
Which of these is an example of a digital system?
A book
A pencil
A laptop
A whiteboard
What do digital systems use to store information?
Letters and pictures only
Whole numbers
Binary (1s and 0s)
Colours and shapes
Which part of a digital system processes information?
Keyboard
Screen
Processor (CPU)
Mouse
A digital system can work without data.
True
False
What does the number 1 represent in binary?
Off
Error
On
Blank
What does the number 0 represent in binary?
On
Off
True
Full
Why do computers use binary?
It is easier for humans to read
Computers only understand electricity being on or off
It uses less memory
It looks better
What number does the binary code 1010 represent?
8
9
10
12
Which binary number represents 5?
0100
0101
0011
1001
What system is used to represent letters using numbers?
Mario Code
Pixel Code
ASCII
Emoji Code
What does ASCII allow computers to do?
Show colours
Store letters and symbols
Play games
Connect to the internet
In binary pixel art, what does 1 usually represent?
A blank square
A shaded/coloured square
A number
An error
If a binary image row is 10101, how many squares are shaded?
2
3
4
5
Binary can only be used to represent numbers.
True
False
What is an algorithm?
A computer virus
A type of binary
A step-by-step set of instructions
A digital image
What does debugging mean?
Writing code
Fixing mistakes in code
Saving your work
Turning the computer off
Why is accuracy important when using binary?
It looks neater
Computers check spelling
One mistake can change the result
It saves time
What did the binary mosaic project show?
How to draw pictures only
How colours are chosen
How images can be represented using binary
How to code games
Which statement is correct?
Computers understand words first
Computers understand images first
Computers understand binary first
Computers understand emojis first
Good luck with this one!
Did you have fun in Digital Technologies this year? ;)
Yes
Absolutely
Definitely
Always
