Powers of 2 Flashcards
1
Q
What is 2^7?
A
128
2
Q
What is 2^8?
A
256
3
Q
What is 2^10?
A
1024
4
Q
What is 2^16 approx.?
A
66k
5
Q
What is 2^10 approx.?
A
1 thousand
6
Q
What is 2^20 approx.?
A
1 million
7
Q
What is 2^30 approx.?
A
1 billion
8
Q
What is 2^32 approx.?
A
4 billion
9
Q
What is 2^40 approx.?
A
1 trillion
10
Q
How much memory is 2^64 bytes approx.?
A
17 million TB
11
Q
Storing 1 GB / second, how long will 2^64 bytes last?
A
544 years
12
Q
How much memory is 2^40 bytes?
A
1 TB
13
Q
How many bytes are 1 TB?
A
2^40
14
Q
How much memory are 2^32 bytes?
A
4 GB
15
Q
How many bytes are 4 GB?
A
2^32
16
Q
How much memory are 2^30 bytes?
A
1 GB
17
Q
How many bytes are 1 GB?
A
2^30
18
Q
How much memory are 2^20 bytes?
A
1 MB
19
Q
How many bytes are 1 MB?
A
2^20
20
Q
How much memory are 2^16 bytes?
A
64 KB
21
Q
How many bytes are 64 KB?
A
2^16
22
Q
How much memory are 2^10 bytes?
A
1 KB
23
Q
How many bytes are 1 KB?
A
2^10
24
Q
How many bits are in a byte?
A
8
25
How many bytes are in a bit?
1/8. A whole byte is 8 bits.
