Explanation

• A cell address is also called a cell reference.
• It identifies a specific cell in a spreadsheet.
• It is written using a column letter and row number.

Last verified on 27-09-2026

Explanation

• RAM and Cache are volatile memories.
• It means their data is lost when power is turned off.
• Volatile memory requires continuous power to retain data.
• RAM is used for running programs and storing temporary data.
• Cache is a high-speed memory that stores frequently used data for the CPU.

Additional information:

• ROM is non-volatile and retains data without power.

Last verified on 16-02-2026

Explanation

• An operating system manages computer hardware and software resources.
• It uses hardware efficiently and provides services to applications.
• It allows programs to run smoothly and interact with hardware.
• It acts as an interface between users, applications, and hardware.

Last verified on 08-06-2026

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

• Increase the font size. Ctrl + Shift + >

Additional information:

• Decrease the font size: Ctrl + Shift + <
• Increase the font size by 1 point: Ctrl + ]
• Decrease the font size by 1 point: Ctrl + [
• Ctrl + Shift + F: Change the font
• Open the Font dialog box to change the font: Ctrl + Shift + F

Verified & Updated