Explanation

Ctrl+5 changes to 1.5 line spacing.

Pressing Ctrl+2 changes to double line spacing.

Pressing Ctrl+1 will give you single-line spacing.

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ND18-1-2023

Explanation

Output devices are used to display data or information from a computer or other electronic device. 

Examples of output devices include:

• Monitors (screens)
• Printers
• Plotters
• Speakers
• Headphones
• Projectors

Explanation

BIOS (Basic Input/Output System) is a firmware interface

They initialize and test a computer's hardware components during the booting process and provide a runtime environment for the operating system to load.

Key functions of BIOS include:

• Power-on self-test (POST) to check hardware functionality.
• Loading the bootloader to start the operating system.
• Providing basic control over hardware like the keyboard and display.

Explanation

In MS Word 2007, SHIFT+RIGHT ARROW is used to extend the selection of text one character to the right.

SHIFT+LEFT ARROW is used to extend the selection of one character to the left side.

Explanation

The computer mouse was invented and developed by Douglas Engelbart, with the assistance of Bill English, during the 1960s.

Douglas Engelbart was an American engineer.

Explanation

• In a computer system, directories (also known as folders) work in a similar fashion as files in physical offices.
• Just as files are stored in folders or cabinets in an office, directories in a computer system store and organize files and subdirectories.

Explanation

Cache memory acts as a buffer between the CPU (Central Processing Unit) and the main memory (RAM).

It is a small, high-speed memory that stores frequently used data and instructions that the CPU is likely to need next.

This allows the CPU to access the data and instructions it needs quickly, without having to wait for the slower main memory to respond.

Explanation

A corrupted Partition Table can make a hard disk totally inaccessible, as it contains information about the disk's partitions and how data is organized.

If the Partition Table is damaged, the operating system may not be able to recognize the disk or access its contents.

Explanation

An email address consists of two parts: 

1. Username or ID (the name or ID chosen by the user)
2. Domain name (the name of the organization or service provider).

Format: Username@Domainname.com

Example: john.doe@example.com

Email, short for Electronic Mail, has its roots in the early 1960s.

The first email was sent in 1971 by Ray Tomlinson.

He also introduced the "@" symbol to separate the username from the hostname.

Explanation