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

• Date: 3 June 1947
• Announced by: Lord Louis Mountbatten
• Position: Last Viceroy of British India
• Purpose: Partition of British India
• Outcome: Creation of India and Pakistan

Last verified on 16-05-2026

Explanation

• Compiler Function: Converts high-level language into machine language.
• Output: Produces an object file (.obj / .exe) after compilation.
• Examples of Languages Using Compiler: C, C++, Java (uses compiler + JVM).

Additional information:

• Compiler: Translates whole program at once.
• Interpreter: Translates line by line.

Last verified on 21-02-2026

Explanation

• Amazon, Microsoft and Google are the three largest public cloud storage providers.
• Dropbox, eFolder, IBM etc. are examples of cloud service providers.

Last verified on 06-07-2026

Explanation

• GUI stands for Graphical User Interface.
• It is a type of user interface that allows users to interact with electronic devices using icons, windows, menus, and buttons instead of typing commands.
• The first GUI was developed at Xerox PARC in the early 1980s.

Additional information:

• CLI – Command Line Interface
• CUI – Character User Interface
• VUI – Voice User Interface
• NUI – Natural User Interface

Last verified on 03-07-2026

Explanation

• Columns: Run vertically and are identified by letters (A, B, C … AA, AB).

Additional information:

• Rows: Run horizontally and are identified by numbers (1, 2, 3 …).
• Cells: Intersection of a row and column, e.g., A1.
• Fields: In database terminology, a column is often called a field.

Last verified on 09-08-2026

Explanation

• The Lahore Resolution was passed on 23 March 1940 at Minto Park, Lahore.
• It demanded separate states for Muslims of the subcontinent.
• It is also called the Pakistan Resolution.

Additional information:

• Presented by A. K. Fazlul Huq
• Prepared text by Muhammad Zafarullah Khan

Key Participants (by region)

1. Punjab → Zafar Ali Khan
2. Sindh → Sir Abdullah Haroon
3. Bengal → A.K. Fazlul Huq
4. KPK → Sardar Aurangzeb Khan
5. United Provinces → Khalid Zaman

Last verified on 04-05-2026

Explanation

• The output quality of a printer is measured by Dot Per Inch (DPI).
• DPI indicates the number of dots a printer can produce in one inch.
• A higher DPI generally means higher print resolution and sharper output.
• Common printer resolutions include 300 DPI, 600 DPI, and 1200 DPI.

Last verified on 07-08-2026

Explanation

• Adopted: 12 March 1949

• Adopting Body: Constituent Assembly of Pakistan

• Presented By: Prime Minister Liaquat Ali Khan

• Date of Presentation: 7 March 1949

Additional information:

• Total Members of Assembly: 75

• Members Supporting the Resolution: 21

• Minority Members: 10

• All amendments proposed by minority members were rejected.

• As a result, all 10 minority members voted against the resolution.

Last Updated on 12-01-2026

Explanation

• 1st Martial Law imposed by Iskandar Mirza 1958
• **
• From 1953 to 1958, he served in the civilian government as Defence and Home Minister
• and supported President Iskander Mirza's decision to impose martial law against Prime Minister Feroze Khan's administration in 1958
• **
• iskandar Ali Mirza who was the first president of Pakistan abrogated the constitution of 1956 on 07-October-1958.
• Ø  Ayoub Khan was made chief martial law after this abrogation.
• Ø  Feroz Khan Noun was the prime minister at the time of the first Martial Law in Pakistan.

• ist of Martial Laws Held in Pakistan from 1947 to 2022

  Sr#	Martial Law Number	Date of Martial Law	Martial Law Implemented by
  1	First Martial Law	7th October 1958	Iskandar Mirza
  2	2nd Martial Law	25th March 1969	General Yahya Khan
  3	3rd Martial Law	25th July 1977	General Zia ul Haq
  4	4th Martial Law	12th October 1999	General Pervaiz Musharraf

   

  There are total four martial laws Implemented in Pakistan from 1947 to 2022