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

• PDA: Personal Digital Assistant
• Type: Handheld computer
• Uses: Contacts, calendar, notes
• Input: Touchscreen and stylus
• Purpose: Managing personal information

Explanation

• COMPUTER stands for Commonly Operated Machine Particularly Used for Technical Education and Research
• First electronic general-purpose computer: ENIAC
• Developed: 1945–1946
• Output devices: Monitor, Printer, Speaker, Projector
• Input devices: Keyboard, Mouse, Scanner, Microphone
• Father of the computer: Charles Babbage

Explanation

• CPU stands for Central Processing Unit.
• It is the main part of a computer that processes all instructions.
• It is considered the brain of the computer system.
• It performs all calculations and decision-making tasks.
• It controls the operations of all hardware and software.
• It is located on the motherboard.

Last verified on 10-06-2026