Explanation

• DVI stands for Digital Visual Interface.
• It is a video display interface.
• Used to connect a computer to a monitor/display.
• It can transmit digital video signals.

Explanation

• MAC Address means Media Access Control Address
• MAC Address is a unique identifier assigned to a Network Interface Card (NIC).
• It is used to identify devices on a local network.
• Format example: 00:1A:2B:3C:4D:5E (6 bytes / 48 bits)

Last updated 15-feb-2026

Explanation

• Machine language is the basic language directly understood by the computer's CPU.
• It uses binary digits (0 and 1).
• The basic components are instructions and data.
• Instructions tell the CPU what operation to perform.

Explanation

• First computer program: Ada Lovelace’s algorithm (1843) for Charles Babbage’s Analytical Engine.
  • First widely used high-level programming language: FORTRAN (1957).
  • Machine Language: The earliest machine-level programming language, using binary 0s and 1s.

Last updated by NA on 04-11-2026

Explanation

• Spam = Unsolicited Commercial Email (UCE).
• Sent without the recipient’s request or permission.
• Usually sent to many people at once.
• Often contains advertisements, promotions, or offers.

Explanation

• The BMP file format, also known as a bitmap image file
• Developed by: Microsoft Corporation
• Initial release: December 1987
• Type of format: Raster graphics

Explanation

• A Client Operating System is designed for personal computers and end users.
• It is used for daily tasks like browsing, gaming, and office work.
• Windows 10 is a popular client OS by Microsoft.
• It runs on desktops and laptops.

Last verified on 26-05-2026

Explanation

• YAHOO stands for: Yet Another Hierarchical Officious Oracle.
• Founded: January 1994; 32 years ago
• Headquarters: Sunnyvale, California, United States
• Owners
• Apollo Global Management (90%)
• Verizon (10%)
• Founders
• Jerry Yang
• David Filo

Explanation

• IMEI stands for International Mobile Equipment Identity
• IMEI = unique 15-digit number
• Used to identify mobile devices
• Helps track or block lost/stolen phones
• Works globally for all mobile networks

Last updated by NS on 06 May 2026

Explanation

• Ctrl + H is used for Find and Replace function.
• It allows users to search text and replace it quickly.

Additional information:

• Ctrl + F → Find text
• Ctrl + C → Copy
• Ctrl + V → Paste
• Ctrl + X → Cut
• Ctrl + Z → Undo

Last verified on 19-04-2026