Explanation

• The Control Unit (CU) is part of the CPU.
• It interprets instructions from memory.
• It directs and coordinates all computer operations.
• It acts like the “brain controller” of the computer system.

Last verified on 24-05-2026

Explanation

• The ALU (Arithmetic Logic Unit) is the core component of the CPU.
• It performs both arithmetic operations (calculations) and logical operations (comparisons).
• Without ALU, a computer cannot process data.
• ALU works together with the Control Unit (CU).

Last verified on 06-05-2026

Explanation

• Computer system has different parts for input, output, and processing.
• The main processing work is done by a special unit called CPU.
• It executes all instructions given by the user or programs.
• It also controls all other components of the computer.
• Therefore, CPU is known as the brain of the computer.

Last verified on 14-05-2026

Explanation

• The output unit of a computer presents processed data to the user.
• It converts machine results into human-readable form.
• It can be visual, audio, or printed form.
• Common output devices include monitor and printer.

Last verified on 13-05-2026

Explanation

• The output unit converts processed digital data into human-readable form such as text, images, or sound.

• It shows the results of computer processing to the user.

• Common output devices include monitor, printer, speaker, and projector.

Last verified on 09-05-2026