Explanation

• Computare is a Latin word meaning to calculate or count.
• The word “Computer” refers to a device that performs calculations and processes data.

Additional information:

• First commercial CPU: Intel 4004 (1971)
• Invented by: Italian physicist Federico Faggin
• First widely used high-level programming language: FORTRAN (1957).

Last updated by NA on 04-11-2026

Explanation

Explanation

• Operating System: The main software that manages hardware and runs applications.
• It loads during the boot process.
• Without an OS, a computer cannot provide a usable working environment.

Last updated by NA on 04-11-2026

Explanation

1 Gigabyte (GB) =

• - 1,024 MB — Binary system (traditional computing).
• - 1,000 MB — Decimal system (storage manufacturers).

Additional information:

Computer storage size is measured in Kilobytes (KB), Megabytes (MB), Gigabytes (GB), and Terabytes (TB).

• 1 Kilobyte (KB) = 1024 bytes
• One Megabyte (MB) = 1024 Kilobytes (KB)
• One Gigabyte (GB) =  1024 Megabytes (MB)
• One Terabyte (TB)= 1024 Gigabytes (GB)

Last updated by NA on 04-11-2026

Explanation

• A keyboard is an input device used to enter text, numbers, and symbols into a computer.
• It contains alphabetic, numeric, function, and control keys.
• Keyboards are commonly used for typing documents, entering data, and issuing commands.

Last updated by NA on 04-11-2026