1
Q
Why use binary for computers
A
Computers use binary because it is a system that can be physically represented by electrical states:
“On” transistor represents a 1. Allowing electrical current to flow
“Off” transistor represents a 0. Blocking the electrical current
2
Q
bit
A
Represents one single digit in binary
3
Q
byte
A
1 byte = 8 bits
4
Q
how big can binary numbers get
A
2^8 = 256
5
Q
How big can decimal numbers get
A
10^8 = 100,000,000
6
Q
How big can hexidecimal numbers get
A
16^8 = 4,294,967,296
7
Q
benefit of hexidecimal over binary
A
hexidecimal is more compact
8
Q
1010 in hexidecimal
A
A
9
Q
1100
A
C
9
Q
1011
A
B
10
Q
1101
A
D
10
Q
1110
A
E
11
Q
1111
A
F
COSC 122
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