Explanation

• The ALU (Arithmetic Logic Unit) is a core component of the CPU (Central Processing Unit),
• And the CPU itself is the main processing chip and core component of a computer system (or computer hardware architecture).

Explanation

Alternatively referred to as Control W and C-w, Ctrl+W is a shortcut key most often used to close a program, window, tab, or document.

Explanation

Abacus was the first mechanical calculator

Abacus was invented by Tim Cranmer.

Abacus was invented in 1962.

Explanation

• Encryption is used to protect data and passwords.
• Process: Converts data into a secret code (ciphertext).
• Key: Requires a decryption key to read.
• Data protection: At rest and in transit.
• Decryption: Converts ciphertext into readable data.

Last updated on 30 Oct 2026

Explanation

• The default font size in a new Word document in Word 2003
• Font: Times New Roman.
• Size: 12-point.
• Style: Normal.

Last updated by NS on 06 May 2026

Explanation

 pressing Ctrl + J justifies the current line to evenly space its text or words between the left and right margins of the page.

Explanation

MS Word (Microsoft Word) is a word processing software, which allows users to create, edit, and print documents.

It is a popular application software used for:

• Typing and editing text
• Formatting documents
• Adding images and graphics
• Creating tables and columns
• Printing and sharing documents

Explanation

• The process of dividing the disk into tracks and sectors is called formatting.
• In computer disk storage, a sector is a subdivision of a track on a magnetic disk or optical disc.

Last updated 09 Nov 2026 by NA

Explanation

Explanation

Petabyte (PB), a unit of information equivalent to 1000 terabytes which is used, for example, to quantify computer memory or storage capacity.