Fundamentals Of Data Representation Flashcards
1
Q
Number bases
A
The number of unique digits available in a numbering system
2
Q
Decimal, hexadecimal, binary number bases
A
D = base 10
HD = base 16
B = base 2
3
Q
Binary digits
A
0 and 1
4
Q
Decimal digits
A
0 1 2 3 4 5 6 7 8 9
5
Q
Hexadecimal digits
A
0 1 2 3 4 5 6 7 8 9 A B C D E F
6
Q
Units of information
A
Bit = single binary digit
Butw = sequence of 8 bites
Kilobyte = 1000 bytes
Megabytes = 1000 kilobytes
Gigabytes = 1000 megabytes
Terabyte = 1000 gigabytes
7
Q
Binary arithmetic rules
A
0 + 0 =0 0
1 + 0 =1
1 + 1 = 10
1 + 1 + 1 = 11
8
Q
Shifting to left
A
One place = x2
Two places = x4
Three places = x8
9
Q
Shifting to right
A
One place = /2
Two places = /4
Three place = /8
10
Q
Character
A
Signle stmbol, such as letter, number, symbol or space
