Explanation

• PowerPoint is used for Create presentations from scratch or a template.
• Add text, images, art, and videos.
• Select a professional design with PowerPoint Designer.

Last verified on 03-04-2026

Explanation

• Microsoft Excel is a spreadsheet program used to organize, calculate, and analyze data efficiently.
• It is widely used in offices, schools, and businesses for data management.

Additional information:

• Allows calculations using formulas and functions.
• Can create charts, graphs, and pivot tables for data analysis.
• Supports data sorting, filtering, and visualization.

Last verified on 17-01-2026

Explanation

• China: Largest cotton-producing country.
• Textile Industry: 7,500 companies.
• Annual Production: US $73 billion of cotton cloth.

Additional information:

• India: Second-largest cotton producer.
• USA: Third largest cotton producer.

Last verified on 23-01-2026

Explanation

• Linux is based on open-source software.
• It is a Unix-like operating system.
• Created by: Linus Torvalds (1991).
• It is widely used in servers, mobile devices, and supercomputers.

Last updated 18-07-2026 by NA

Explanation

• Optimistic means پرامید
• Pessimistic means ناامید

Last verified on 22-07-2026

Explanation

Explanation

• The headquarters of Amnesty International (AI) is located in London, United Kingdom.
• Founded: 1961
• Founder: Peter Benenson
• Members & Supporters: More than 7 million
• Presence: Over 150 countries
• Main Purpose: Protection and promotion of human rights
• Nobel Peace Prize: 1977
• Awarded for: "Worldwide respect for human rights."

Last verified on 18-07-2026

Explanation

• RAM is categorized as volatile and temporary (or primary / main) memory
• It means its data is lost when power is turned off.
• Volatile memory requires continuous power to retain data.

Additional information:

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

Last verified on 16-02-2026

Explanation

• PowerPoint is used to create multimedia presentations.
• Combines text, images, audio, video, animations, and charts.
• Developed by Microsoft.
• File extension: .pptx

Last updated on 14-09-2026

Explanation

• Discoverer: Alexander Fleming
• Year of discovery: 1928
• Place: St. Mary's Hospital, London
• First patient treated with penicillin: Albert Alexander
• Date of first treatment: 12 February 1941

Last verified on 14-09-2026