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

• A Cell is the intersection of a row and a column in a spreadsheet such as MS Excel.
• Each cell has a unique cell address, such as A1, B5, or C10.
• Rows are identified by numbers: 1, 2, 3, ...
• Columns are identified by letters: A, B, C, ...
• A cell can contain text, numbers, formulas, or functions.

Last verified on 09-08-2026

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