Processing operations {instruction, computing} need two steps. First, get instruction from storage and put it in instruction register. Then get data from address and put it in data register. Instructions can specify many addresses, including next instruction address. CPU has 30 basic instructions.
stack
Instead of using addresses, instructions {zero-address instruction} can specify stack, stack dictionary level, and dictionary-level index value {address couple}.
program
Instructions are elementary switches or gates {microfunction} and so are small programs {microprogram}.
Mathematical Sciences>Computer Science>Software>Programming
3-Computer Science-Software-Programming
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Date Modified: 2022.0224