Explanation

• MS-DOS: Microsoft Disk Operating System
• Developed by: Microsoft
• Designed for: x86-based personal computers
• Interface: Command-line interface (CLI)
• IBM version: IBM PC DOS
• DOS: A term also used for MS-DOS-compatible operating systems.

Explanation

• Definition: Uses 2 or more CPUs.
• Benefit: Faster processing.
• Main Memory: Processors usually share RAM.
• Purpose: Handles multiple tasks efficiently.

Additional information:

• Uniprocessor: One processor
• Multithreaded: Multiple threads
• Multiprogramming: Multiple programs in memory

Explanation

• Third Generation (1965–1971): Integrated Circuits (ICs)
• A small semiconductor chip, usually made of silicon.
• Contains many tiny electronic components, including transistors/MOSFETs.

Additional information:

• First Generation (1946–1959): Vacuum tubes
• Second Generation (1959–1965): Transistors
• Third Generation (1965–1971): Integrated Circuits (ICs)
• Fourth Generation (1972–1980): VLSI and microprocessors

Explanation

• BCC stands for: Blind Carbon Copy
• Used in: Email communication
• Purpose: Hides recipient email addresses from other recipients

Additional information:

• CC (Carbon Copy): Recipients are visible to all
• BCC: Recipients are hidden from everyone except the sender

Last verified on 16-01-2026

Explanation

• A Graphics Card is installed in an expansion slot such as PCI/PCI Express.
• It improves graphics rendering and gaming performance.
• Modern dedicated graphics cards commonly use PCI Express (PCIe) slots.

Last verified on 28-09-2026