Explanation

• "Superscript" is not a font style in MS Word.
• Superscript is a text effect used to raise characters above the normal line of text.
• Font styles include options like Bold, Italic, and Regular.

Last verified on 29-09-2026

Explanation

• RAM and Cache are volatile memories.
• It means their data is lost when power is turned off.
• Volatile memory requires continuous power to retain data.
• RAM is used for running programs and storing temporary data.
• Cache is a high-speed memory that stores frequently used data for the CPU.

Additional information:

• ROM is non-volatile and retains data without power.

Last verified on 16-02-2026

Explanation

• In MS Word, Ctrl + J is used to justify text.
• Justified text is evenly aligned on both left and right margins.
• It is commonly used in books, newspapers, and formal documents.

Additional information:

• Ctrl + L → Left align
• Ctrl + E → Center align
• Ctrl + R → Right align

Last verified 29-05-2026

Explanation

HTTP stands for Hypertext Transfer Protocol.

It uses port 80 by default for non-secure web communication.

For secure HTTP (HTTPS), the default port is 443.

Last updated by NA on 15-02-2026

Explanation

• Ctrl + K → Insert Hyperlink

Additional information:

• Ctrl + P → Print
• Ctrl + F2 → Print Preview
• Ctrl + H → Replace dialog box
• Ctrl + D → Font dialog box

Last verified on 06-07-2026

Explanation

• RAM (Random Access Memory) is used for both read and write operations.
• RAM is a volatile memory, meaning data is lost when the power is turned off.
• It temporarily stores data and instructions needed by the CPU during processing.

Additional information:

• ROM is mainly used for read-only operations and stores permanent instructions.
• PROM can be programmed once.

Last verified on 07-08-2026

Explanation

• The shortcut key for Undo (last action reverse) is Ctrl + Z in most computer systems.
• It is used to cancel the last mistake or action.

Additional information:

• Ctrl + P = Print
• Ctrl + Y = Redo
• Ctrl + S = Save
• Ctrl + C = Copy command
• Ctrl + V = Paste
• Ctrl + C = Copy
• Ctrl + X = Cut
• Ctrl + Y = Redo

Last verified on 10-06-2026

Explanation

• Europe is the only continent without a desert.
• It has a temperate climate with sufficient rainfall.

Additional information:

• Divided by the Ural Mountains
• Second-smallest continent
• Covers 2% of Earth’s surface
• Area: 10.18 million km²

Last verified on 16-01-2026

Explanation

• Email stands for Electronic Mail.
• It is a method of sending and receiving digital messages through the internet.
• The term electronic mail has been used with its modern meaning since 1975.
• The shorter form E-mail became common around 1979.

Additional information:

Parts of a valid email address:

1. Email Prefix
2. Email Domain

Address: example@mail.com

1. example = Email Prefix
2. mail.com = Email Domain

Last verified on 16-06-2026

Explanation

• CPU stands for Central Processing Unit.
• It is the main part of a computer that processes all instructions.
• It is considered the brain of the computer system.
• It performs all calculations and decision-making tasks.
• It controls the operations of all hardware and software.
• It is located on the motherboard.

Last verified on 10-06-2026