Computer Systems - representing data Flashcards
1
Q
what base is binary
A
2
2
Q
what numbers are used in binary
A
0,1
3
Q
what is the range of numbers that can be represented by 8 bits
A
255
4
Q
formula for calculating data that can be represented
A
0-2^16 -1
5
Q
conversion table
A
128 64 32 16 8 4 2 1
6
Q
what is a mantissa
A
The Mantissa is the shortened representation of the actual number with a fractional part.
7
Q
what is the exponent
A
The Exponent is the number put up to the power of whichever number base is being used.
8
Q
what code is used to represent letters
A
ASCII
9
Q
ASCII uses how many bits
A
7
10
Q
decimal is base what
A
10
11
Q
8 bits
A
byte
12
Q
1024bytes
A
1kilobyte
13
Q
1024kilobytes
A
megabyte
14
Q
1024megabytes
A
gigabytes
15
Q
1024gigabytes
A
terabytes
