January 2017 e-VIBES
January 2017 e-VIBES
Bytes
" Byte "- unit of information storage. One byte = grouping of 8 bits e. g. 0 1 0 1 1 0 1 0 One Byte can store one letter, e. g. ' A ' or ' x ' The memory of all storage devices like RAM, hard drives; flash drives are measured in Bytes, despite being very different hardware. The storage capacities are mentioned in: Kilobyte, KB, about 1 thousand Bytes Megabyte, MB, about 1 million Bytes Gigabyte, GB, about 1 billion Bytes Terabyte, TB, about 1 trillion Bytes
( source: CS101)
n
In general, for every subsequent Bits, double is the number of patterns of the previous one. 1 bit- 2 patterns, 2 bits – 4, 3 bits – 8, 4 bits – 16, 5 bits – 32, 6 bits – 64, 7 bits – 128, 8 bits- 256- Mathematically: n bits yields 2n patterns( 2 to the nth power) 1 byte is group of 8 bits. 8 bits can make 256 different patterns. One Byte- 256 Patterns The red / green / blue image numbers are each stored in one byte
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