Explanation

• An antivirus software protects a computer against malware and viruses.
• It detects, blocks, and removes harmful software from a computer.
• Common threats include viruses, worms, Trojans, and spyware.
• Antivirus software helps protect files, programs, and system data.
• It can provide real-time protection against new threats.

Last verified on 12-08-2026

Explanation

• The CPU (Central Processing Unit) is the brain/heart of the computer.
• It performs all calculations, executes instructions, and controls other components.

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 verified on 15-02-2026

Explanation

• Location of the first wahi: Cave Hira (Ghar-e-Hira), Makkah
• Number of verses: 5
• Surah: Al-Alaq (96th Surah)
• Angel: Jibril (A.S.)
• First Word Revealed: Iqra (Read)
• In: 610 AD

Additional information:

• At the Age of 40 years 6 months
• Prescriber of wahi in Makkah: Sharjeel-ibn-Hasana Kandi
• First writer of Wahi in Quraish: Hazrat Zaid bin Sabit (RA)

Last verified on 27-04-2026

Explanation

• Amazon, Microsoft and Google are the three largest public cloud storage providers.
• Dropbox, eFolder, IBM etc. are examples of cloud service providers.

Last verified on 06-07-2026

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

• In MS Excel, every formula and function starts with the equal sign (=).
• The = tells Excel that the cell contains a formula, not plain text.
• Functions such as SUM, AVERAGE, and IF also begin with =.
• Without the =, Excel treats the entry as ordinary text.

Last verified on 10-02-2026

Explanation

• Connection: Links Mediterranean Sea to Red Sea
• Location: Egypt
• Opened: 1869
• Length: 193 km
• Purpose: Provides the shortest maritime route from Europe to Asia

Last verified on 08-02-2026

Explanation

• Slide Sorter View main purpose is to rearrange, move, copy, delete, or organize slides easily.
• Its in PowerPoint displays all slides as small thumbnails on one screen.
• It is especially useful for checking the overall sequence and structure of a presentation.
• It can also help manage slide transitions across multiple slides.

Last verified on 09-08-2026

Explanation

• The shortcut key for Undo (last action reverse) is Ctrl + Z in most computer systems.
• It is used to cancel the last mistake or action.

Additional information:

• Ctrl + P = Print
• Ctrl + Y = Redo
• Ctrl + S = Save
• Ctrl + C = Copy command
• Ctrl + V = Paste
• Ctrl + C = Copy
• Ctrl + X = Cut
• Ctrl + Y = Redo

Last verified on 10-06-2026

Explanation

• ICT stands for Information and Communication Technology.
• It refers to technologies used to collect, process, store, and communicate information.
• ICT includes computers, mobile phones, the internet, networks, and communication systems.
• It is widely used in education, business, healthcare, and government.
• ICT helps people access and share information quickly and efficiently.

Last verified on 08-08-2026