Explanation

• The CPU (Central Processing Unit) is the brain/heart of the computer.
• It performs all calculations, executes instructions, and controls other components.

Additional information:

• First commercial CPU: Intel 4004 (1971)
• Invented by: Italian physicist Federico Faggin
• CPU Examples: Clock speeds – 3.0 GHz, 3.5 GHz, 4.0 GHz, 4.5 GHz, 5.0 GHz

Last verified on 15-02-2026

Explanation

• HTML: Hypertext Markup Language.
• Purpose: Creates and structures web pages.
• HTML File Extension: .html or .htm.
• It uses tags to structure content such as headings, paragraphs, images, links, and tables.

Last verified on 11-08-2026

Explanation

• PLO stands for Palestine Liberation Organization.
• Established: 28 May 1964
• Place: Jerusalem
• Founded under: Arab League
• First Chairman: Ahmad Shukeiri
• Purpose: To represent the Palestinian people and pursue Palestinian national rights.

Explanation

• Sergen Brin & Larry Page is the founder of Google.
• Sergey Brin is the real owner of Google.
• Google, a US multinational technology company.
• It is a type of search engine operating since 1997.
• It was founded in the year: September 4, 1998
• The Headquarters of Google is located in the city of California.
• Parent organization: Alphabet Inc.

Last verified on 31-03-2026

Explanation

A document in Microsoft Word can be saved in three commonly taught ways.

1. File → Save can be used to save the document from the File menu.
2. Ctrl + S is the keyboard shortcut for saving the current document.
3. F12 opens the Save As dialog box in Microsoft Word.

Save → Updates the current file

Save As → Saves with a new name, location, or format

Last verified on 09-08-2026

Explanation

• Ctrl + V pastes copied or cut content from the Clipboard.

Additional information:

• Ctrl + C copies selected content to the Clipboard.
• Ctrl + X cuts selected content and places it on the Clipboard.
• Ctrl + A selects all content in the document.
• Ctrl + B applies bold formatting to selected text.

Last verified on 10-08-2026

Explanation

1. Sentence Case
2. Lowercase
3. Uppercase
4. Title Case
5. Toggle Case

Last verified on 10-08-2026

Explanation

• Established: 28 May 1964
• Place: Jerusalem
• Founded under: Arab League
• First Chairman: Ahmad Shukeiri
• Purpose: To represent the Palestinian people and pursue Palestinian national rights.

Last verified on 09-08-2026

Explanation

• SMS stands for Short Message Service.
• It is a text messaging service used on mobile phones and other communication systems.
• SMS was defined in 1986 as part of the Global System for Mobile Communications (GSM) standards.
• The first SMS message was sent on 3 December 1992.
• The first SMS was sent by Neil Papworth from a computer to a Vodafone mobile phone.
• First SMS Content: “Merry Christmas”.

Last verified on 09-08-2026

Explanation

• Liaquat Ali Khan was given the title Quaid-e-Millat (Leader of the Nation).
• He is also known as Shaheed-e-Millat (Martyr of the Nation).

Additional information:

• He was born on 1 October 1895 in Karnal, British India.
• He joined the All-India Muslim League in 1923.
• He was elected to the Legislative Council in 1926.
• He became the first Prime Minister of Pakistan, serving from 1947 to 1951.
• He was assassinated on 16 October 1951 at Company Bagh, Rawalpindi.
• Burial: Mazar-e-Quaid, Karachi, alongside the mausoleum of Muhammad Ali Jinnah.

Last verified on 09-08-2026