A 4-bit word of computer memory is known as a:
ANibble
BByte
CBlock
DRecord
Answer & Solution
Correct answer: A. Nibble
1. Memory is measured in binary digits called bits.
2. Bits are grouped into words of a fixed width.
3. A word of exactly 4 bits carries the special name nibble; 1001 and 1010 are examples.
4. Two nibbles together make an 8-bit word, which is the byte.
_Source: NCERT Computer Science Class 11, Ch 1 'Computer System', S1.3.1 Units of Memory_
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