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Computing GCSE
Data Representation
Units
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Created by
Chloe Lynch
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Cards (9)
Units
Bit
(b)→ a single
binary digit
(1 or 0)
Nibble
→
4 bits
Byte (B)→
8 bits
Kilobyte (kB) →
1000 bytes
Megabyte (MB) →
1000 kilobytes
Gigabyte (GB) →
1000 megabytes
Terabyte (TB) →
1000 gigabytes
Petabyte (PT) →
1000 terabytes
Bit
(
b
)
single binary digit
(
1
or
0
)
Nibble
4 bits
Byte (B)
8
bits
Kilobyte (kB)
1000 bytes
Megabyte
(MB)
1000 kilobytes
in bytes-
1000
x
1000
Gigabyte
(
GB
)
1000 Megabytes
in bytes
-
1000 x 1000 x 1000
Terabyte
(
TB
)
1000 gigabytes
in bytes
-
1000
x
1000
x
1000
x
1000
Petabyte (PT)
1000 terabytes
in bytes
1000
x
1000
x
1000
x
1000
x
1000