Explanation

QWERTY refers to the first six letters on the upper row of the keyboard.

The QWERTY layout was devised and created in the early 1870s

The key arrangement was devised by Christopher Latham Sholes

104 buttons or keys in a QWERTY keyboard 

The QWERTY keyboard is also known as the Sholes keyboard

ND18-4-2023

Explanation

A joystick sometimes called a flight stick.

The joystick is an input device consisting of a stick that pivots on a base and reports its angle or direction to the device it is controlling.

ND18-4-2023

Explanation

File Explorer (Windows Explorer)

- Type: File manager application.

- Developed by: Microsoft.

- Introduced in: Windows 95 (1995).

- Function: Manages files and folders.

- Purpose: Provides a graphical user interface (GUI) to access file systems.

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Last updated on 26 Oct 2026

Explanation

A soft copy is an electronic version of data, such as a file or document, stored digitally.

Soft copies are typically viewed on a computer or mobile device screen.

Explanation

Machine language, or machine code, is a low-level language comprised of binary digits (1 and 2).

Since computers are digital devices, they only recognize binary data.

Explanation

• E-mail stands for: Electronic Mail
• Father of E-mail: Ray Tomlinson
• First E-mail sent: 1971
• @ is used to divide an email into: two parts
• SMTP helps to send: E-mails
• SMTP stands for: Simple Mail Transfer Protocol
• Received email is saved: inbox
• Sent email is saved in: sent box
• Maximum attachment size in Yahoo Email: 25 MB
• G-mail stands: Google Mail
• Email spam also called: junk email
• To close email account click: sign out
• To create new E-mail: Sign Up
• Email hacking means: Illegal access to open email accounts of others
• Junk email is also called: Spam 
•  At sign (@): always a part of email address
• Sending an E-mail is similar to: writing a letter
• A allows us to access our e-mail from anywhere: Webmail interface 
• Bookmark:  is associated with Internet E-mail

Explanation

Encryption is the process of converting plaintext data into a coded, unreadable form to protect it from unauthorized access.

The primary purpose of encryption is to ensure the confidentiality and security of sensitive information.

Explanation

According to the options, B is correct; the largest computer hardware company is HP (Hewlett-Packard). 

Otherwise 

The largest computer hardware company in the world, by market capitalization, is Apple Inc.

Explanation

Notepad is a basic text-editing program which enables computer users to create documents.

Notepad is a basic text editor used to create and edit plain text files without formatting.

Explanation

Google Drive offers 15 GB of free storage per Google account.

This storage is shared across Google Drive, Gmail, and Google Photos.