Explanation

• URL stands for Uniform Resource Locator.
• It is a specific type of Uniform Resource Identifier (URI).
• Domain: World Wide Web
• First published: 1994
• Latest version: Living Standard, 2023

Used:

• Web page (HTTP/HTTPS)
• File transfer (FTP)
• Email (mailto)
• Database access (JDBC)

Last verified on 08-06-2026

Explanation

• F8 once: Start selection mode
• F8 twice: Select current word
• F8 three times: Select current sentence
• F8 four times: Select paragraph
• F8 five times: Select entire document

Explanation

• The shortcut key to insert a new slide in a PowerPoint presentation is Ctrl + M.

Additional information:

• Ctrl + N shortcut key used to create a new presentation document.
• Ctrl + S shortcut key used to save a presentation.

Last verified on 29-05-2026

Explanation

Explanation

• In MS Word, the Help feature is used to get guidance about tools and commands.
• The shortcut key to open Help is F1.
• It opens Microsoft Word Help window or support page.

Additional information:

• F2: Used to move or rename text.
• F3: Inserts AutoText entries if available.
• F4: Repeats the last action performed.
• F5: Opens the "Find and Replace" dialog box with the "Go To" tab active.

Last verified on 29-05-2026

Explanation

• Microsoft was founded on April 4, 1975.
• It was founded by Bill Gates and Paul. Allen in Albuquerque, New Mexico.

Last verified on 02-03-2026

Explanation

• DNS stands for Domain Name System.
• It translates website names (like google.com) into IP addresses.
• It works like the “phone book of the internet.”
• Without DNS, users would need to remember numeric IP addresses.
• DNS was introduced in 1983.

Last verified on 26-05-2026

Explanation

• A standard CD-ROM is an optical storage device used for data storage.
• It is commonly used to store software, audio, and files.
• The typical storage capacity of a normal CD-ROM is 680 MB.
• It is now mostly replaced by DVDs and USB drives.

Last verified on 17-05-2026

Explanation

• RAM stands for Random Access Memory
• It is a type of fast, temporary computer memory
• It is essentially short-term memory 
• It is the hardware in a computing device where the operating system (OS)

Last updated by NA on 26 April 2026

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

Additional information:

• 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.

Last verified on 19-04-2026