Explanation

• Ctrl + K → Insert Hyperlink

Additional information:

• Ctrl + P → Print
• Ctrl + F2 → Print Preview
• Ctrl + H → Replace dialog box
• Ctrl + D → Font dialog box

Last verified on 06-07-2026

Explanation

• Modem is a computer hardware device used for communication over a network.
• Modem stands for Modulator-Demodulator.
• A modem converts digital data into signals suitable for transmission.
• It also converts incoming signals back into digital data.
• Modems are commonly used to provide Internet connectivity.

Last verified on 15-09-2026

Explanation

• PowerPoint is used to create multimedia presentations.
• Combines text, images, audio, video, animations, and charts.
• Developed by Microsoft.
• File extension: .pptx

Last updated on 14-09-2026

Explanation

In MS Word, the default alignment for a paragraph is Left (or Left-aligned)

This setting aligns text along the left margin, leaving the right edge ragged

Shortcut: Ctrl+L 

Last updated by NA 15-feb-2026

Explanation

• ROM stands for Read Only Memory.
• It is a type of non-volatile memory.
• So its contents are retained when power is turned off.
• ROM stores important instructions such as firmware and boot instructions.

Additional information:

• RAM → Random Access Memory
• PROM → Programmable Read Only Memory
• EPROM → Erasable Programmable Read Only Memory

Last verified on 08-08-2026

Explanation

• Pencil work is not an element of the spreadsheet interface.
• Active Cell, Menu Bar, and Workbook are associated with a spreadsheet environment.
• The Active Cell is the currently selected cell where data can be entered or edited.
• A Workbook is an Excel file containing one or more worksheets.

Last verified on 26-08-2026

Explanation

• Referencing means referring to or retrieving data from another cell or worksheet.
• In Excel, a reference to another sheet can be written as =Sheet2!A1.
• This allows data from one worksheet to be used in another worksheet.
• It is especially useful for linking related data across multiple sheets.

There are Three types of Cell reference in Excel.

1. Relative
2. Absolute
3. Mixed

Last verified on 26-08-2026

Explanation

• A word processor is software used to create, edit, format, and print text documents.
• Common uses include typing letters, reports, applications, and other documents.
• Examples include Microsoft Word, Google Docs, and LibreOffice Writer.

Last verified on 25-08-2026

Explanation

• Times New Roman and Arial are commonly used font styles/typefaces.
• A font determines the visual appearance and design of text.
• Font size refers to the size of the characters, such as 12 pt or 14 pt.
• Bold, Italic, and Underline are examples of text formatting styles.
• Common fonts include Arial, Times New Roman, Calibri, and Verdana.

Last verified on 23-08-2026

Explanation

• The CPU (Central Processing Unit) is the brain/heart of the computer.
• It processes data and executes instructions.
• It controls other parts of the system.

Additional information:

• First commercial CPU: Intel 4004 (1971)
• Invented by: Italian physicist Federico Faggin
• CPU Examples: Clock speeds – 3.0 GHz, 3.5 GHz, 4.0 GHz, 4.5 GHz, 5.0 GHz

Last updated by NA on 09-09-2026