In
computer science, a memory address is a unique identifier for a
memory location at which a
CPU or other device can store a piece of data for later retrieval. In modern byte-addressable computers, each address identifies a single
byte of storage; data too large to be stored in a single byte may reside in multiple bytes occupying a sequence of consecutive addresses. Some microprocessors were designed to be
word-addressable, so that the typical storage unit was actually larger than a byte. Examples include the
Texas Instruments TMS9900 and the
National Semiconductor IMP-16, both of which used 16 bit words.
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