1.2.3 Units Flashcards
(5 cards)
1
Q
Put the units of storage in order.
A
- Bit
- Nibble (4 bits)
- Byte (8 bits)
- Kilobyte (1,000 bytes or 1 KB)
- Megabyte (1,000 KB)
- Gigabyte (1,000 MB)
- Terabyte (1,000 GB)
- Petabyte (1,000 TB)
2
Q
Why must data in a computer be stored in binary?
A
Computers are used to process and store data - and computers can only use binary numbers.
3
Q
How do you calculate size of sound files?
A
sample rate x duration (s) x bit depth
4
Q
How do you calculate size of image files?
A
colour depth x image height (px) x image
width (px)
5
Q
How do you calculate size of text files?
A
bits per character x number of characters
