Explanation

CPU speed is primarily measured in Hertz (Hz), and Gigahertz (GHz) for modern processors

The fundamental unit is Hertz (Hz), where 1 Hz = 1 cycle per second.

Modern Units: Most, if not all, modern processors use Gigahertz (GHz), where  1 GHz = 10^9 Hz (one billion cycles per second).

Context: It is often referred to as the "clock speed" or "clock rate" of the CPU.

Mbps measures internet speed.

Mbytes measure data size.

Last updated 15-feb-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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Explanation

ASCII stand for American Standard Code for Information Interchange.

It is a character encoding standard that assigns numerical values (0-127) to English letters, numbers, punctuation marks

Work on the ASCII standard began in May 1961

Definitive version published in 1968

Last updated 15-feb-2026

Explanation

WinZip is a widely used file compression

Explanation

A gateway serves as a "protocol converter" or "translator" between two dissimilar networks

That use different communication protocols, data formats, or architectures.

It is the critical entry and exit point (node) for a network

Allowing data to flow between fundamentally different environments

Such as a corporate Local Area Network (LAN) and the public Internet.

Last updated 15-feb-2026

Explanation

1 byte equals 8 bits.

Additional Information

Explanation

• BIOS stands for Basic Input Output System.

Additional information:

• BIOS is a firmware stored on a computer’s motherboard.
• Initializes hardware during booting and provides runtime services.
• Acts as an interface between operating system and hardware.

Last verified on 04-02-2026

Explanation

• Situation analysis is the first step in planning any extension program.
• It involves understanding the current conditions, needs, and problems of the target community.
• Helps design relevant and effective programs based on real data.

Last verified on 03-02-2026

Explanation

• A server protocol is a set of rules used for communication between computers over a network.
• HTTP, DHCP, and DNS are standard computer/server network protocols.
• JPEG is not a protocol; it is an image file format used for pictures.

Last verified on 01-02-2026

Explanation

• Email allows users to send digital files as attachments along with messages.
• Different types of files like documents, audio, and video can be attached.
• Attachment features make email useful for education, business, and communication.

Last verified on 01-02-2026