Explanation

• The greenhouse effect occurs when certain gases in the atmosphere trap heat from the Sun.
• Key greenhouse gases include CO₂, CH₄ (methane), N₂O, and water vapor.
• These gases allow sunlight to enter but absorb and re-radiate infrared radiation back to Earth.
• This process warms the planet, making life possible.

Explanation

• The greenhouse effect causes global warming
• When heat-trapping gases in Earth's atmosphere absorb and re-emit outgoing infrared radiation, raising global temperatures
• Natural Effect: Keeps Earth warm and supports life.
• Main Gases: CO₂, methane (CH₄), water vapor, and N₂O.
• Excess CO₂: Increases the greenhouse effect.

Last updated 27-07-2026 by NA

Explanation

Explanation

• Signed July 2, 1972, at Shimla, India
• By Indira Gandhi and Zulfikar Ali Bhutto
• After the 1971 India-Pakistan War (creation of Bangladesh)
• Aim: settle disputes through peaceful bilateral talks
• 1971 ceasefire line → Line of Control (LoC)
• Presided over by Lord Wavell
• 35 Muslim members took part

Explanation

• Microsoft Word was initially under the name Multi-Tool Word.
• Release Date: October 25, 1983.
• Initial Systems: Xenix, MS-DOS.

Last updated question by NA on 07 May 2026

Explanation

Arithmetic operations are performed by the ALU

ALU stands for Arithmetic & Logical Unit. 

This is the core component responsible for executing arithmetic (ADD, SUB, etc.) and logical (AND, OR, NOT) operations.

The ALU is housed within the CPU, which acts as the "brain" of the computer.

Explanation

Telnet is an older, text-based network protocol 

It is an application protocol

It is used on the Internet or local area network

Provide a bidirectional interactive text-oriented communication facility 

Explanation

Last updated 25-07-2026 by NA

Explanation

• 3rd Battle of Panipat won by احمد شاہ ابدالی
• Marathas were defeated by the Afghans.
• Ahmad Shah Durrani and his coalition restored the Mughal Empire to Shah Alam II.
• Fought between Ahmad Shah Abdali & Marathas on 14 January 1761
• 60,000–70,000 were killed in fighting

Explanation

Multimedia stores data in a text, image, sound or video format.

It is a form of communication

They are designed specifically to host and manage these diverse, rich data types.

Including graphics, audio, animation, and video into a single presentation

Last updated 15-feb-2026