Macro execution begins with the macro processor opening the SASMACR catalog to read the appropriate macro entry. As the macro processor executes the compiled instructions in the macro entry, it ...
Microcode is the low-level nuts and bolts of how, precisely, a CPU executes instructions (like opcodes) and performs functions such as updating the cycle counter or handling interrupt requests.
The fundamental computer architecture in which the computer acts upon (executes) instructions temporarily stored internally in its memory (RAM). This flexibility is why computers are used for an ...