Characters

Question 1

Character Sets

Answer 1

Collections of characters that a computer recognises from their binary representation/equivalent

Question 2

What happens when you press a button on your keyboard?

Answer 2

Sends a binary signal to the computer telling it which key you pressed.
The computer uses the character set to translate the binary code to a particular character

Question 3

ASCII

Answer 3

a character set
7 - bit binary code == total of 128 different characters

The code for numbers and letters (uppercase + lowercase) is ordered with symbols scattered around

Question 4

Unicode

Answer 4

Uses multiple bytes
covers all major languages
The first 128 codes in unicode are the same as ASCII