3B: coding text Flashcards
1
Q
what code is traditionally used to store text
A
ASCII
2
Q
what is replacing the traditional text code used
A
unicode
3
Q
how much bits is in ASCII
A
8
7 bits to represent a character
4
Q
what is the decimal number for A in ASCII
A
65
5
Q
how much bytes is used in unicode
A
up to 4
6
Q
what is a parity bit used for
A
error detection
7
Q
explain even and odd parity
A
in an even parity machine, the total number of “on” bits must be an even number. In an odd parity machine this must be odd
8
Q
how many different characters can be represented using ASCII
A
128
9
Q
why has unicode been introduced
A
to unify all the different encoding schemes
