Binary Flashcards
1
Q
What is binary?
A
Counting in 0’s and 1’s
2
Q
How do you double in binary?
A
Left Hand shift e.g. if you shift 3 spaces to the left it would multiply by 2 to the power of 3
3
Q
How do you half in binary?
A
Right hand shift e.g. shift 3 spaces to right you divide by to the power of 3
4
Q
What is the highest number we can store?
A
2 to the power of n minus 1
5
Q
How can you combine different combinations of bits?
A
2 to the power of n
6
Q
Rules of binary
A
0+0=0
0+1=1
1+1=0 with 1 to carry
1+1+1=1 with 1 to carry
7
Q
How many bits in a nibble
A
4
8
Q
How many bits in a byte
A
8
9
Q
How many bytes in kilobyte
A
1000
10
Q
Give order of the bytes
A
bit, nibble, byte, kilobyte, megabyte, gigabyte, terabyte
11
Q
What base is hexadecimals?
A
16
12
Q
Why is Hex important and used?
A
Easier to learn/ remember
Quicker to write,type and decode
