Computer Science for IGCSE & O level - Hardware (Section 15 - No. 44)
In a CPU, what is the function of the Instruction Register (IR)?
To store the address of the next instruction.
To hold the currently executing instruction.
To store the result of the last computation.
To manage the system clock speed.
Giải thích
The Instruction Register (IR) holds the instruction that the CPU is currently processing.