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

• 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

• 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

• Junk mail is also called spam.
• The name comes from an old Monty Python comedy sketch.
• It is commonly used for ads, scams, or fake promotions.
  

Additional information:

• Spoof means pretending to be another sender (email spoofing).
• Email services use spam filters to block junk mail automatically.

Explanation

• Compiler/Windows XP is not hardware; it is software.
• Compiler: A program that translates computer code into machine language.
• Windows XP: An operating system that runs computer programs.

Additional information:

• CPU, RAM, Hard Disk, Monitor, and Chip are all hardware.
• A compiler is software that converts code into machine language.
• Windows XP is an operating system.

Last updated by NA on 09-09-2026

Explanation

• Access time is the time required by a computer to locate and access data.
• It is an important measure of the speed of memory or storage devices.
• Lower access time generally means faster data retrieval.

Last verified on 08-09-2026

Explanation

• ORACLE is a Database Management System (DBMS) used for storing, retrieving, and managing data in databases.
• ORACLE is specifically designed to handle database operations.

Last verified on 08-09-2026

Explanation

• USB stands for Universal Serial Bus.
• USB is a standard used to connect and transfer data between electronic devices.
• A USB flash drive is a data storage device that uses flash memory with an integrated USB interface.
• Ajay Bhatt is widely credited as a key figure in the development of USB technology in the 1990s.

Last verified on 05-09-2026

Explanation

• SSDs use flash memory and have no moving mechanical parts.
• They provide faster data access and transfer speeds than HDDs.
• SSDs are generally more durable and resistant to physical shock.
• HDDs use spinning magnetic disks and mechanical read/write heads.

Last verified on 04-09-2026