Multiple choice

What does the ALU do?

  1. Keeps the computer cool

  2. Works out the best way to do something

  3. Carries Information

  4. Carries out the calculations from the registers

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

The Arithmetic Logic Unit (ALU) is the part of the CPU that performs all arithmetic operations (like addition and subtraction) and logical operations (like comparisons) on data retrieved from registers.