Explanation

• Initial speed range: 1.3–2.0 GHz
• Processor: Intel Pentium 4
• Architecture: NetBurst
• Introduction: November 2000

Last verified on 28-09-2026

Explanation

• Inventor: Tim Berners-Lee
• Collaborator: Robert Cailliau
• Year of invention: 1989 August
• Organization: CERN (European physics lab, Switzerland)
• First website: 1991 (public release)
• WWWW stands for World-Wide Web Worm.

Last verified on 24-06-2026

Explanation

• A communication channel is created to facilitate the transmission of information.
• It provides a medium through which a message travels from sender to receiver.
• Examples include telephone, email, radio, and internet.

Last verified on 28-09-2026

Explanation

• Bit stands for Binary Digit.
• A bit is the smallest unit of data in a computer.
• Represents 0 or 1 (off/on state)
• 8 bits = 1 byte
• Used in all digital systems and computer memory.

Last verified on 08-06-2026

Explanation

• SMTP is the standard protocol used to send emails across the internet.
• SMTP stands for Simple Mail Transfer Protocol.

Last verified on 16-02-2036

Explanation

• In full-duplex transmission, data flows in both directions simultaneously.
• Both devices can send and receive data at the same time.
• A common example is a telephone call.

Additional information:

• Simplex: One direction only.
• Half-duplex: Both directions, but not at the same time.

Last verified on 27-09-2026

Explanation

• An operating system manages computer hardware and software resources.
• It uses hardware efficiently and provides services to applications.
• It allows programs to run smoothly and interact with hardware.
• It acts as an interface between users, applications, and hardware.

Last verified on 08-06-2026

Explanation

• Ctrl + K → Insert Hyperlink

Additional information:

• Ctrl + P → Print
• Ctrl + F2 → Print Preview
• Ctrl + H → Replace dialog box
• Ctrl + D → Font dialog box

Last verified on 06-07-2026

Explanation

• File Explorer is the main file management tool in Windows.
• It is used to create, open, copy, move, rename, and delete files and folders.
• It also allows users to browse different drives and storage locations.

Last verified on 27-09-2026

Explanation

• A Modem (Modulator-Demodulator) converts digital signals into analog signals and vice versa.
• It is used to connect computers to the internet via telephone lines or other networks.

Additional information:

• Switch – connects multiple devices in a network
• Hub – basic network connector
• Repeater – boosts signal strength
• Router – directs internet traffic

Last verified on 19-04-2026