Which among the following is a functional unit of a computer ?
AInput
BMemory
CALU
DAll of the above
Answer:
D. All of the above
Read Explanation:
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)