Computer Science for IGCSE & O level - Hardware (Section 8 - No. 9)
What is the role of the Instruction Register (IR) in a CPU?
To store the address of the next instruction.
To hold the current instruction being executed.
To store the results of arithmetic operations.
To manage the data flow within the system.
解释
The Instruction Register (IR) holds the instruction that is currently being executed by the CPU.