Multiple choice

The controller sends a control signal to (blank) telling it to read data? What is the (blank)?

  1. Program Counter

  2. RAM

  3. Hard Disk

  4. ALU

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

During the fetch phase of the instruction cycle, the control unit sends a control signal to main memory (RAM) to read the instruction or data at a specific address. The RAM then places this data onto the data bus so the CPU can receive it.