Information Coding Systems

Question 1

what code is traditionally used to store text

Answer 1

ASCII

Question 2

what is replacing the traditional text code used

Answer 2

unicode

Question 3

how much bits is in ASCII

Answer 3

8
7 bits to represent a character

Question 4

what is the decimal number for A in ASCII

Answer 4

65

Question 5

how much bytes is used in unicode

Answer 5

up to 4

Question 6

what is a parity bit used for

Answer 6

error detection

Question 7

explain even and odd parity

Answer 7

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

Question 8

how many different characters can be represented using ASCII

Answer 8

128

Question 9

why has unicode been introduced

Answer 9

to unify all the different encoding schemes