Explanation

• Cyber systems rely on hardware, software, and connectivity.
• But their effectiveness largely depends on connectivity.
• Good network connections ensure data transfer, communication, and system efficiency.

Additional information:

• Connectivity: Internet, intranet, or network links that allow real-time access and interaction

Last verified on 27-01-2026

Explanation

3D printing builds objects layer by layer, which is the core idea of additive manufacturing.

Material is added progressively to create the desired shape, unlike subtractive techniques that remove material.

This technology allows complex geometries and customized designs.

Explanation

OS/2 (Operating System/2) was initially created through a joint development agreement between IBM and Microsoft

Microsoft left the project around 1990, and development was solely continued by IBM,

Additional information 

• Windows is an operating system family developed 
• DOS developed by IBM after the split with Microsoft was OS/2.
• UNIX was originally developed in 1969 by a group of AT&T employees at Bell Labs, not IBM

Explanation

• Mark Zuckerberg founded Facebook
• It is an online social media and social networking service
• Owned by the American company Meta Platforms
• Founded February 4, 2004
• Headquarters: Menlo Park, California, U.S.
• 
  

Explanation

• The process of sending information through a channel is called transmission.
• It involves a sender, message, channel, and receiver.
• Effective transmission ensures the message is accurately delivered.

Last verified on 25-01-2026

Explanation

• Short key use for Date and Time 
• Date: Ctrl+;
• Time: Ctrl+ Shift+ ;

Additional information

shortcut key in  MS Excell:

Which key is used to help in MS Excel?

F1

***

Shift+Backspace

**

Which key is used to enter the current date in Excel?

 Ctrl+;

Explanation

Word processing software is used for typing letters, with Microsoft Word being the most popular, standard choice.

Explanation

 One megabyte, or MB, is equivalent to 1024 kilobytes, or KB

The smallest piece of data is the bit.

The data will be transformed to its binary form.

Explanation

• The Home tab contains tools for text formatting, including font style, size, color, and alignment.
• It is the primary tab used for editing and styling the content of a document.

Additional information:

• Home tab also includes clipboard, paragraph, and styles groups.

Last verified on 20-01-2026

Explanation

• In computers, input, processing, and output are the main functions.
• A song being played represents output, as the computer is producing sound for the user.
• Input would be typing or clicking, processing is computations or data handling.

Additional information:

• Output devices include speakers, monitor, and printer.
• Computers convert processed data into user-friendly form via output.

Last verified on 20-01-2026