Projekt reg. č. CZ.1.07/1.1.00/14.0143
kilobyte (kB)
megabyte (MB)
gigabyte (GB)
terabyte (TB)
petabyte (PB)
exabyte (EB)
zettabyte (ZB)
yottabyte (YB)
unit of digital information in
computing and
telecommunications
consists of eight bits
a byte was the number of bits
used to encode a single
character of text in a computer
is a multiple of the unit byte for digital
information
is commonly used to mean either 1000
bytes or 1024 bytes
• is a multiple of the unit byte for digital
information storage or transmission with
three different values depending on context
• 1 MB = 1000000 bytes
is a multiple of the unit byte for
digital information storage
gigabyte is 1 000 000 000 bytes
Terabyte
• is a multiple of the unit byte for
digital information
• 1 TB = 1 000 000 000 000 bytes =
1012 bytes = 1000 gigabytes
is a multiple of the unit byte for digital
information
1 PB = 1 000 000 000 000 000 B = 1015
bytes = 1000 terabytes
Exabyte
• is a multiple of the unit byte for digital
information
• 1 EB = 1 000 000 000 000 000 000 B =
1018 bytes = 1000 petabytes
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