CPU

Question 1

What is the role of the control unit?

Answer 1

It tells the computer’s memory, arithmetic/logic unit and input and output devices how to respond to a program’s instructions.

Question 2

What is the role of the Arithmetic Logic Unit?

Answer 2

that processes and manipulates data. It performs simple calculations on the data that is temporarily stored in the registers.

Question 3

What is the role of the internal memory?

Answer 3

is fast access temporary storage on the CPU. Data is moved from the registers to the internal memory when it is not being actively used.

Question 4

What is the role of the registers?

Answer 4

where data or control information is temporarily stored.

Registers are usually much faster to access than internal memory, since they have to be accessed so often