Question

Which among the following is a functional unit of a computer ?

• A. Input
• B. Memory
• C. ALU
• D. All of the above

Answer 1

Answer:

D. All of the above

• Input Unit - This is the part that helps to enter data and instructions into the computer (for example, keyboard, mouse).

• Memory Unit - This is the unit for temporarily storing data and programs (for example, RAM).

• Arithmetic Logic Unit - ALU - Performs mathematical (addition, subtraction, etc.) and logical (equality, greater than, less than, etc.) operations.

• Central Processing Unit - CPU - This is the part that can be described as the "brain" of the computer. The CPU processes data and executes instructions.

• Output Unit - This is the part that outputs the processed information in a form that the user can see, hear, or read (for example, monitor, printer)