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

Explanation

• Trial means an attempt, test, or examination.
• Trial means ایک کوشش، امتحان، یا امتحان
• Test means ایک کوشش، امتحان، یا امتحان

Last verified on 10-08-2026

Explanation

• Diligence means careful and persistent effort.
• Diligence means محتاط اور مسلسل کوشش
• Hard work means محنت

Last verified on 10-08-2026

Explanation

• The “Pivot Table” tool primarily allows users to summarize and analyze data.
• It can group, sort, filter, and calculate data.
• Common calculations include Sum, Count, Average, Maximum, and Minimum.
• Pivot Tables help identify patterns, comparisons, and trends in data.

Last verified on 10-08-2026

Explanation

• Cloud computing allows users to access files and services from anywhere with an Internet connection.
• Data is stored on remote servers (the cloud) rather than only on a personal computer.
• It provides services such as online storage, software, and computing resources.
• Popular cloud services include Google Drive, OneDrive, Dropbox, and iCloud.
• Cloud computing improves accessibility, scalability, and data backup.

Last verified on 10-08-2026

Explanation

• Facebook and Instagram are social networking platforms.
• They are used to connect and communicate with people.
• Users can share posts, photos, videos, messages, and other content.
• Both platforms are owned by Meta Platforms.

Last verified on 10-08-2026

Explanation

• In the ALU (Arithmetic Logic Unit), arithmetic and logical operations required during instruction execution are performed.
• ALU performs arithmetic operations such as addition and subtraction.
• It also performs logical and comparison operations.

Additional information:

• The Control Unit (CU) directs and coordinates the execution of instructions.
• Main Memory stores programs and data currently being used.
• The CPU consists mainly of the ALU, Control Unit, and registers.

Last verified on 10-08-2026