Explanation

• Warsak Dam is located on the Kabul River.
• It was completed under the Colombo Plan .
• Construction began in 1949.
• The Dam was Opened in 1960.
• The height of the dam is 76 m.

Last verified on 30-03-2026

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

• Spreadsheet software is used for calculations and data organization.
• MS Excel is a widely used spreadsheet program.
• It works with rows, columns, and formulas.

Last verified on 11-04-2026

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 shortcut key for Undo (last action reverse) is Ctrl + Z in most computer systems.
• It is used to cancel the last mistake or action.

Additional information:

• Ctrl + P = Print
• Ctrl + Y = Redo
• Ctrl + S = Save
• Ctrl + C = Copy command
• Ctrl + V = Paste
• Ctrl + C = Copy
• Ctrl + X = Cut
• Ctrl + Y = Redo

Last verified on 10-06-2026

Explanation

• Shortcut key for center alignment: Ctrl+E

Additional information:

• Center align means middle of the page.
• Ctrl + R -- Align selected text or line to the right.
• Ctrl + M -- Indent the paragraph.

Last verified on 07-08-2026

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

• VGA stands for Video Graphics Array.
• It is a display standard used to transmit video signals from a computer to a monitor.
• VGA was introduced by IBM in 1987 with the PS/2 computer series.
• The original VGA standard supports a maximum resolution of 640 × 480 pixels at 60 Hz.
• It uses a 15-pin D-sub (DE-15) connector.

Last verified on 06-08-2026

Explanation

• Headquarters: Brussels, Belgium
• NATO stands for North Atlantic Treaty Organization.
• Founded: 4 April 1949 (Washington, USA).
• Type: Military Alliance.
• Official Languages: English & French.
• Founding Members: 12

Total Members: 32

• European: 30
• North American: 2

Latest Member: Sweden (joined 7 March 2024)

• Muslim Member Country: Türkiye
• Pakistan: Not a NATO member

List of NATO member countries:

1. Albania
2. Belgium
3. Bulgaria
4. Canada
5. Croatia
6. Czechia
7. Denmark
8. Estonia
9. France
10. Germany
11. Greece
12. Hungary
13. Iceland
14. Italy
15. Latvia
16. Lithuania
17. Luxembourg
18. Montenegro
19. Netherlands
20. North Macedonia
21. Norway
22. Poland
23. Portugal
24. Romania
25. Slovakia
26. Slovenia
27. Spain
28. Turkiye
29. United Kingdom
30. United States
31. Finland
32. Sweden

Last verified on 10-05-2026