Explanation

• A bit (binary digit) is the smallest unit of data in a computer.
• It can have a value of 0 or 1, representing two possible states.

Additional information:

• 1 Byte = 8 bits
• 1 Kilobyte (KB) = 1024 Bytes
• 1 Megabyte (MB) = 1024 KB
• 1 Gigabyte (GB) = 1024 MB
• 1 Terabyte (TB) = 1024 GB

Last verified on 12-03-2026

Explanation

• A hardcopy output device produces physical copies of data or information.
  • Printer converts digital documents into paper copies.
  • Examples: Plotter, Photocopier, Fax machine, Braille printer

Additional information:

Softcopy vs Hardcopy:

• Softcopy: Screen display, audio (Monitor, Speaker)
• Hardcopy: Physical form (Paper, Card, etc.)

Printers can be inkjet, laser, or dot-matrix.

Last verified on 09-03-2026

Explanation

• Charles Babbage is known as the Father of the Computer.
• He designed the more advanced Analytical Engine, which featured a "Mill" (CPU) and a "Store" (memory).

Additional information 

• He was anwas an English polymath
• Born: 26 December 1791 London, England
• Died: 18 October 1871 (aged 79) London, England
• 
  

Last updated on 09-03-2026

Explanation

An absolute cell reference is a cell address that contains a dollar sign ($) in the row or column coordinate, or both.

A dollar symbol ($) is used before the coordinates to correct them.

For instance, $D$2 is an absolute reference to cell D2

Last updated 15-feb-2026

Explanation

A gateway is the primary network device designed to connect two or more networks

Use different, incompatible, or disparate protocols.

Acting as a protocol converter or "translator," 

It acts as a translator between systems so they can communicate effectively.

Last updated 15-feb-2026

Explanation

Bandwidth refers to the amount of data transmitted per second.

It is measured in bits per second (bps).

It indicates the speed or capacity of a network connection.

Last updated 15-feb-2026

Explanation

Explanation

Regarding deadlock recovery techniques, is Process Termination. 

It is considered an "easy" technique regarding CPU management

Because it uses simple logic to break a deadlock cycle: 

Explanation

• In MS Excel, all formulas and functions start with the equal sign (=).
• This tells Excel to perform a calculation instead of treating the input as plain text.

Last verified on 10-02-2026

Explanation

GUI stands for graphical user interface

Origin: First developed at Xerox PARC in the early 1980s.

It is a type of user interface that interacts with electronic devices.

Examples: Microsoft Windows, Apple macOS, and mobile operating systems. 

Last updated 15-feb-2026

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