1.Storage cells are typically viewed as being byte-sized
Usually the smallest addressable unit of memory
•Few machines can directly access bits individually
Such addresses are sometimes called byte-addresses
2.Memory is often accessed as words
Usually a word is the largest unit of memory access by a single machine instruction
CLEAR’s word size is 8 bytes (= sizeof(long))
A word-address is simply the byte-address of the word’s first byte
