Explanation

• Indent is used to move a paragraph closer or farther from the margin in word processors.
• It helps in structuring documents, highlighting paragraphs, or creating lists.
• Commonly used in essays, reports, and formal documents.

Last verified on 12-03-2026

Explanation

• The Internet is a global network of networks that allows computers worldwide to communicate and share information.
• It connects millions of private, public, academic, business, and government networks.
• Provides services like email, file transfer, websites, and social media.

Last verified on 12-03-2026

Explanation

(1000)₂ = 1×2³ + 0×2² + 0×2¹ + 0×2⁰ = 8

Last verified on 12-03-2026

Explanation

• A Web Browser is a special software used to access and browse the Internet.

Additional information:

• First web browser: WorldWideWeb (later Nexus), 1990
• Popular modern browsers: Chrome, Firefox, Edge, Safari
• Web browsers support: HTML, CSS, JavaScript

Last verified on 12-03-2026

Explanation

• Timesharing is a computer technique where multiple dumb terminals are connected to a central computer.
• Each terminal gets a small time slice to interact with the CPU, giving the illusion of simultaneous usage.
• Used to share computing resources efficiently among multiple users.

Last verified on 12-03-2026

Explanation

• MICR (Magnetic Ink Character Recognition) is an input device used to read characters printed with magnetic ink.
• Commonly used in banks to process cheques quickly and accurately.
• It converts printed characters into digital data for computer processing.

Last verified on 12-03-2026

Explanation

• LED (Light Emitting Diode) is a semiconductor device that emits light when electric current passes through it.
• It is widely used in lighting, displays, electronic indicators, and screens.

Additional information:

• Energy efficiency: Up to 90% more efficient than traditional bulbs
  First discovery: H. J. Round – 1907
  Early research: Oleg Losev – 1927
  Practical LED development: James R. Biard – 1961
  First commercial production: October 1962 (Nick Holonyak)

Last verified on 12-03-2026

Explanation

• In presentation software (like MS PowerPoint), special effects used to introduce slides are called Transitions.
• Transitions control how one slide moves to the next during a presentation.
• They can be simple fades, wipes, pushes, or dynamic animations to make the presentation more engaging.

Last verified on 11-03-2026

Explanation

• In MS Excel, to sum values in a range based on a condition, the SUMIF() function is used.
• It allows you to add only the numbers that meet a specific criterion, such as all sales above 1000 or only a certain category.
• This is different from SUM(), which adds all numbers in a range without any condition.

Last verified on 11-03-2026

Explanation

• In MS Excel, a pre-programmed formula is called a Function.
• Functions perform specific calculations or tasks automatically, such as SUM, AVERAGE, or IF.
• They save time by automating repetitive formulas and reducing errors.

Last verified on 11-03-2026