Explanation

• The process of starting an operating system when a user turns on a computer is called booting.
• Booting is a startup sequence that powers up the system and loads the operating system. 
• The booting process involves the following steps: 
• Power on
• The Power-On Self-Test
• Find and load the OS
• Drivers and system configuration
• User login and authentication

Last updated 08 Nov 2026 by NA

Explanation

• Boot (short for bootstrap) means to start/restart a computer
• It loads the operating system into memory when the computer is turned on
• Types: Cold boot (turning on from off state), Warm boot (restarting)
• Not used for exiting software, starting a program, or shutting down

Explanation

• Minicomputers: Used for medium-sized computing tasks.
• - Support multiple users simultaneously.
• - Smaller and less powerful than mainframe computers.

Additional information:

• Supercomputers: Extremely complex calculations.
• Microcomputers: Single-user computers.
• Mainframes: Large-scale data processing, many users

Last updated 07 Nov 2026 by NA

Explanation

• A terminal is required when more than one person uses a central computer at the same time.
• The word "terminal" comes from early computer systems 
• it is used to send commands to other computers and enter data 
• it is an electronic or electromechanical hardware device

Last updated 07 Nov 2026 by NA

Explanation

Standard 8K UHD Resolution: 7680 × 4320 pixels

- Horizontal pixels: 7,680

- Vertical pixels: 4,320

- Total: Approximately 33.2 million pixels.

- 8K has four times as many pixels as 4K UHD.

Last updated 07 Nov 2026 by NA