Explanation

• A physical connection between the microprocessor memory and other parts of the microcomputer is known as an address bus.

Additional information:

• Address Bus carries the addresses of memory locations or I/O devices.
• Data Bus carries actual data between the CPU, memory, and other components.
• Control Bus carries control and timing signals.

Last verified on 10-08-2026

Explanation

• Mark Entry is a Microsoft Word feature used to mark selected text for inclusion in an index.
• It is found under the References tab in the Index group.
• The Mark Entry command opens the Mark Index Entry dialog box.
• After entries are marked, Insert Index is used to create the index.
• An index helps readers quickly locate important topics, terms, or names in a document.

Last verified on 10-08-2026

Explanation

• RAM (Random Access Memory) is installed on the motherboard of a computer.
• RAM is usually placed in DIMM slots on desktop motherboards.
• RAM temporarily stores data and programs currently being used by the CPU.
• RAM is volatile memory, meaning its contents are lost when power is turned off.

Last verified on 10-08-2026

Explanation

• The Compare feature identifies differences between two versions of a document.
• It can show changes in text, formatting, additions, and deletions.
• In Word, it is available under the Review tab.
• It is useful for reviewing revised documents and checking what has changed.

Last verified on 10-08-2026

Explanation

1. Sentence Case
2. Lowercase
3. Uppercase
4. Title Case
5. Toggle Case

Last verified on 10-08-2026

Explanation

To calculate the average in Excel, you can use the AVERAGE function: 

• Formula =AVERAGE(number1, [number2], …) 
• Arguments: Number1 is required, and Number2 is optional 
• Example =AVERAGE(A1:A20) returns the average of the numbers in the range A1:A20

Last verified on 10-08-2026

Explanation

• A device driver is system software that enables the operating system to communicate with a specific hardware device.
• Examples include drivers for printers, keyboards, graphics cards, and network adapters.
• Without the correct driver, the operating system may not be able to use the hardware properly.
• Drivers act as a bridge between hardware and the operating system.

Last verified on 10-08-2026

Explanation

• Clip Art consists of ready-made images or illustrations that can be inserted into a document.
• In older versions of MS Word, Clip Art was accessed through Insert → Picture → Clip Art.
• It can be used to make documents more attractive and visually informative.
• Clip Art may include illustrations, symbols, drawings, and decorative images.

Last verified on 10-08-2026

Explanation

• The COUNT function counts the number of cells containing numbers.
• Example: =COUNT(A1:A10) counts numeric entries in cells A1 through A10.

Additional information:

• COUNTA: Counts non-empty cells.
• COUNTBLANK: Counts blank cells.
• SUM: Adds numbers.
• AVERAGE: Calculates the average of numbers

Last verified on 10-08-2026

Explanation

• The =NOW() function in MS Excel returns the current date and time.
• It is updated automatically whenever the worksheet is opened or calculations are performed.

Additional information:

• =TODAY() - returns the current date (without time)
• =YEAR() - returns the year from a given date
• =MONTH() - returns the month from a given date
• =DAY() - returns the day from a given date
• =HOUR() - returns the hour from a given time
• =MINUTE() - returns the minute from a given time
• =SECOND() - returns the second from a given time

Last verified on 10-08-2026