Explanation

• A Voice Response Unit (VRU) is an output device that produces an audio response using words or messages recorded on a magnetic medium.
• It converts stored voice messages into audible output for the user.

Additional information:

• Voice Recognition Unit is an input device used to recognize spoken words.
• Magnetic tape is a storage medium.

Last verified on 07-08-2026

Explanation

• The Operating System is built directly on the hardware.
• It acts as an interface between the computer hardware and application software.
• The OS manages resources such as the CPU, memory, storage, and input/output devices.
• Application software runs on top of the operating system.
• Examples of operating systems include Windows, Linux, macOS, and Android.

Last verified on 07-08-2026

Explanation

• Background color or effects applied to a document are not visible in Print Preview.

Additional information:

• In Microsoft Word, document views display content differently depending on the view mode.
• Normal View is mainly used for editing the document.
• Print Layout shows how the document will appear on the printed page.
• Web Layout displays the document as it would appear on a web page.

Last verified on 07-08-2026

Explanation

• Diagnostic software is used to detect, identify, and troubleshoot problems in a computer system.
• It can check hardware and software for errors or faults.
• Common examples include memory diagnostics, disk-checking, and system diagnostic tools.

Additional information:

• Utility software → Performs maintenance and optimization tasks.

Explanation

• One Gigabyte (GB) =  1024 Megabytes (MB)

Additional information:

The size of information in the computer is measured in Kilobytes (KB), Megabytes (MB), Gigabytes (GB), and Terabytes (TB).

• 1 Kilobyte (KB) = 1024 bytes
• One Megabyte (MB) = 1024 Kilobytes (KB)
• One Gigabyte (GB) =  1024 Megabytes (MB)
• One Terabyte (TB)= 1024 Gigabytes (GB)

Last verified on 07-08-2026

Explanation

• Supercomputers are designed for maximum computational speed and complex calculations.
• Mainframe computers are designed to process huge volumes of data and support many users/tasks simultaneously.
• Supercomputers are commonly used in weather forecasting, scientific research, simulations, and space research.
• Mainframes are widely used in banking, airlines, government systems, and large organizations.

Last verified on 07-08-2026

Explanation

• Maximum number of columns in MS word: 63

Additional information:

• The minimum number of rows added in MS Word: 1
• The minimum number of columns in MS word: 1

Last verified on 29-05-2026

Explanation

• The maximum number of lines that can be set for a Drop Cap in Microsoft Word is 10.

Additional information:

• The minimum number of lines is 1.
• The default setting is 3 lines.
• A Drop Cap enlarges the first letter of a paragraph and makes it extend down several lines.

Last verified on 07-08-2026

Explanation

• Type: Impact Printer
• Printing Method: Pins strike an ink ribbon
• Common Pin Configurations: 9-pin, 24-pin
• Output: Text and graphics
• Main Advantage: Can print multi-part forms

Last verified on 07-08-2026

Explanation

• Read-Only Memory stores data/instructions that are traditionally written during manufacturing.
• ROM is non-volatile.
• So its contents remain stored even when power is switched off.

Additional information:

• RAM is temporary working memory.
• It is volatile.
• Cache is high-speed memory used to speed up CPU access to frequently used data.

Last verified on 07-08-2026