4.5.3 Units of Information Flashcards
1
Q
Bit (b)
A
Fundamental unit of information, can only take two values, can be represented as high or low currents
2
Q
Byte (B)
A
Collection of 8 bits
3
Q
Nybble
A
Half a byte (4 bits)
4
Q
Bits representation
A
The number of different values that can be represented with a specified number of bits varies with the number of bits.
The more bits that are assigned to a number, the greater the number of values that can be represented.
5
Q
Binary: Kibi Byte (Ki)
A
2^10 = 1024
6
Q
Binary: Mebi Byte (Mi)
A
2^20 = 1048576
7
Q
Binary: Gibi Byte (Gi)
A
2^30 = 1073741824
8
Q
Binary: Tebi Byte (Ti)
A
2^40 = 1.0995x10^12
9
Q
Decimal: Kilo Byte (K)
A
10^3 = 1000
10
Q
Decimal: Mega Byte (M)
A
10^6 = 1000000
11
Q
Decimal: Giga Byte (G)
A
10^9 = 1000000000
12
Q
Decimal: Tera Byte (T)
A
10^12 = 1x10^12
