Computer Memory Units

Followings are basic computer memory units:

• Bit - A Binary digit (Bit) is a smallest computer memory unit. It can hold 0 and 1.

• Byte - Collection of 8 bits is called a Byte.

Symbols used in Computer Memory Units

Symbol	Prefix Name	Decimal Value	Binary Value
k	kilo	1000	210 = 10241
M	mega	10002	220 = 10242
G	giga	10003	230 = 10243
T	tera	10004	240 = 10244
P	peta	10005	250 = 10245
E	exa	10006	260 = 10246
Z	zetta	10007	270 = 10247
Y	yotta	10008	280 = 10248

Memory Units Short forms

• Byte = B

• Kilobyte = KB

• Megabytes = MB

• Gigabytes = GB

• Terabytes = TB

• Petabytes = PB

Memory Units Conversion

Units	Conversion
1 Byte	8 Bits
1 KB	1024 Bytes
1 MB	1024 KB
1 GB	1024 MB
1 TB	1024 GB
1 PB	1024 TB