Bits, Bytes and Units of Storage
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Terabyte (TB)
1000 GB = 1 TB (10¹², one trillion)
Megabyte (MB)
1000 KB = 1 MB (10⁶, one million)
Gigabyte (GB)
1000 MB = 1 GB (10⁹, one billion)
Exabyte
1000 PB = 1 EB (10¹⁸, one pentillion)
Byte
A unit of data that is 8 bits long.
Improving bits reliability
Bits are broken up into groups of four.
Unit of storage for a very large database such as Facebook photos
Nearly 350 petabytes
Petabyte (PB)
1000 TB = 1 PB (10¹⁵, one quadrillion)
Kilobyte (KB)
1000 bytes = 1 KB (10³, one thousand)
.mov or .mp4 storage unit.
1GB
.txt (Text) storage unit
1KB
Audio .mp3 storage unit
1MB
Bits in a Byte
8 Bits in a Byte
Bit
The smallest unit of data in a computer.