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

• In MS Word, the shortcut key Ctrl + Right Arrow moves the cursor one word to the right.

Additional information:

• Ctrl + Left Arrow moves the cursor one word to the left.
• Ctrl + Up Arrow moves the cursor one paragraph up.
• Ctrl + Down Arrow moves the cursor one paragraph down.

Last verified on 28-09-2026

Explanation

• The Indian National Congress (INC) was formed on 28 December 1885 in Bombay (now Mumbai), British India.
• The first session was held at Gokuldas Tejpal Sanskrit College.
• Headquarters: New Delhi, India
• Founder: Allan Octavian Hume (with support from Indian leaders)
• First President: Womesh Chunder Bonnerjee
• Purpose: To represent Indian political interests and later lead the Indian independence movement.

Last verified on 11-07-2026

Explanation

• F5 key is used to refresh or reload a web page.
• It updates the page to show the latest content.
• Commonly used in browsers like Google Chrome and Mozilla Firefox.

Additional information:

• Ctrl + R → Refresh page
• Ctrl + Shift + R → Hard refresh (clear cache)
• F11 → Full screen mode
• Ctrl + T → Open new tab
• Ctrl + W → Close current tab

Last verified on 19-04-2026

Explanation

• A Cell is the intersection of a row and a column in a spreadsheet such as MS Excel.
• Each cell has a unique cell address, such as A1, B5, or C10.
• Rows are identified by numbers: 1, 2, 3, ...
• Columns are identified by letters: A, B, C, ...
• A cell can contain text, numbers, formulas, or functions.

Last verified on 09-08-2026

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

• Ctrl + N shortcut key is used to create a new, blank document
• Save Document: Ctrl + SO
• Open Document: Ctrl + O
• Print Document: Ctrl + P (or Ctrl+F2 for Preview)
• Undo/Redo: Ctrl + Z (Undo),Ctrl + Y (Redo)
• Bold/Italic/Underline: Ctrl + B, Ctrl + I, Ctrl + U
• Center Alignment: Ctrl + E
• Insert Hyperlink: Ctrl + K
• Find/Replace: Ctrl + F (Find), Ctrl + H (Replace)

Last updated question by NA on 07 May 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

• The dollar sign ($) is used to create an absolute cell reference in MS Excel.

Additional information:

• Absolute Reference: $D$2 (Row and column fixed)
• Relative Reference: D2 (Row and column change)
• Mixed Reference: $D2 (Column fixed)
• Mixed Reference: D$2 (Row fixed)
• Shortcut Key: F4 toggles between reference types.

Last verified on 18-07-2026

Explanation

• ROM stands for Read Only Memory.
• It is a type of non-volatile memory.
• So its contents are retained when power is turned off.
• ROM stores important instructions such as firmware and boot instructions.

Additional information:

• RAM → Random Access Memory
• PROM → Programmable Read Only Memory
• EPROM → Erasable Programmable Read Only Memory

Last verified on 08-08-2026