Explanation

Encryption is used to protect data and passwords by converting them into a secret code that can only be accessed with the correct decryption key.

This process makes sensitive information unreadable to unauthorized parties,

Protecting it both when it is stored (at rest) and when it is being sent over networks (in motion). 

Explanation

Copy and paste: Duplicates the text, allowing it to remain in the first document while also inserting it into the second document.

Explanation

• VGA stands for Video Graphics Array
• It is a device used to transfer video signals.
• First introduced with the IBM PS/2 line of computers in 1987
• Provides a maximum resolution of 640 x 480 with a refresh rate of 60 Hz

**********

Last updated by NA on 26 April 2026

Explanation

1 byte equals 8 bits.

Additional Information

Explanation

CAI refers to using computers to help in the teaching and learning process.

It enhances learning by providing interactive and personalized instruction.

Explanation

A nibble can have 16 possible values due to the four bits that are the same as one hexadecimal.

In computer architecture, 8-bit integers or other data units are those that are 8 bits 

Unit of: digital information, data size

Unit system: unit derived from bit

*********

Explanation

• BIOS (Basic Input/Output System) is the firmware that controls a computer's hardware components and provides a interface for configuring settings.
• It is typically stored in a flash memory chip on the motherboard, which is a non-volatile memory type that retains data even when power is turned off.

Explanation

Downloading means receiving data or a file from the Internet on your computer.

Uploading means sending data or a file from your computer to somewhere on the Internet.

Explanation

Windows key or Ctrl + Esc: Open Start menu.

MUG 11-12-2022

Explanation

The CPU (Central Processing Unit) is a hardware component of the computer.

It performs all processing and calculations, acting as the computer’s brain.

The CPU performs basic arithmetic, logic, controlling, and input/output (I/O) operations specified by the instructions in the program.