Yr8 T2 - Coding Systems and Binary

Which of these sequences of symbols is most likely to represent the text ‘cat’ in a computing device

• -·-·  ·-  -

• ⠉  ⠁  ⠞

• 3   1   20

• 110000111000111110100

Which coding system is used by computers

Which Coding ssytem is use for people who are partially sighted or blind?

Which Coding Sytem is used by ships and to send messages by light or sound

What is the length of this code

Hello

• 3

• 4

• 5

• 6

How many binary symbols are there?

• 1

• 2

• 4

• 8

Two bits can code how many items

• 2

• 4

• 8

• 16

One bits can code how many items

• 2

• 4

• 8

• 16

Four bits can code how many items

• 2

• 4

• 8

• 16

When a key is pressed on a keyboard a message is sent using which code to the processor

• Braille

• ASCII

• Morse

• Binary