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

• 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

• 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

Explanation

• Ctrl + Shift + F8: Activates rectangular/block selection.

Additional information:

• Ctrl + F8: Resizes the window in some Word/Windows contexts.
• Shift + F8: Reduces the selection.
• Esc: Cancels the selection mode.
• Selection Type: Rectangular/column selection

Last verified on 07-08-2026

Explanation

• Portrait and Landscape are the two main page orientation options in MS Word.
• Portrait means the page is taller than it is wide.
• Landscape means the page is wider than it is tall.
• Orientation determines the direction in which the page is displayed or printed.
• It can be changed from the Layout tab in MS Word.

Last verified on 07-08-2026

Explanation

• The minimum table size that can be created is 1 row and 1 column.
• In MS Word 2016, tables are used to organize data in rows and columns.

Additional information:

• Tables can be formatted, merged, or split according to need.
• Even a 1×1 table can be expanded later by adding rows or columns.

Last verified on 10-03-2026