1.2.4 characters Flashcards
1
Q
what are characters
A
a display unit of information equivalent to one alphabetic letter or symbol
2
Q
how many bits does ASCII use
A
7 bits
3
Q
How many characters can ASCII represent
A
128
4
Q
how many bits are in extended ASCII
A
8 bits
5
Q
how many characters does extended ASCII represent
A
256
6
Q
what is a character set
A
All the characters which are recognised/can be represented by the computer system
7
Q
what does ASCII stand for
A
American standard code for information interchange
8
Q
what is unicode
A
it can store 32 bits and over 4 billion characters can be stored
