Computer Knowledge - Exam Oriented
1. BIT , BYTE & WORD
A Binary digit (BIT) (0 or 1) is called bit. One bit Occupies one store location. A group or combination of 8 bits is called a BYTE. A Computer word is a combination of one or more bytes handled together as one unit for processing and may thus be of 8, 16, 32 or 64 bits. The length of word varies from machine to machine but is predetermine for each machine.
In some computers, the grouping of bits, bytes or words is flexible in design to meet the differing storage requirements of numbers, alphanumeric characters and instructions.
A computer reads and processes all the bits of the word at a time.