Explanation

• A microprocessor follows the instruction cycle.
• First it fetches the instruction from memory.
• Then it decodes the instruction to understand it.
• Finally it executes the instruction.
• This cycle repeats for every program step.

Last verified on 07-02-2026

Explanation

• Networks are classified by geographical coverage.
• LAN covers a small area like a room or building.
• MAN covers a city.
• WAN covers countries/continents.
• Internet is the largest global network.

Last verified on 07-02-2026

Explanation

• NIC stands for Network Interface Card.
  • It connects a computer to a network or internet.
  • It can be wired (Ethernet) or wireless (Wi-Fi).
  • Every NIC has a unique MAC address.
  • It enables data communication between devices.

Last verified on 07-02-2026

Explanation

• A microprocessor’s clock speed is measured in Hertz (Hz).
• Hertz means cycles per second.

Additional information:

• Higher clock speed = more instructions processed per second.
• Modern CPUs work in GHz (gigahertz).

Last verified on 07-02-2026

Explanation

• A hard disk stores much more data.
• It is the main secondary storage device in computers.
• Modern hard disks store data in gigabytes to terabytes.

Additional information:

• Hard disk — 500 GB to 20+ TB
• Flash drive — 16 GB to 1 TB
• RAM — 4 GB to 64 GB
• ROM — few MBs to GBs
• SSD (for comparison) — 256 GB to 8 TB

Last verified on 07-02-2026

Explanation

• An input device sends data to the computer.
• A camera (webcam) captures images/videos and inputs them into the system.

Additional information:

• Input devices help users enter data and commands.
• Camera is used in video calls and image capture.
• Monitor, printer, and speaker are output devices.

Last verified on 07-02-2026

Explanation

To convert 4/ 5 into a percentage:

4/5 × 100% = 80%

To convert 4/5​ into a decimal:

4/5 = 0.8

So, the correct options are 80% and 0.8.

Explanation

Kashmir Solidarity Day or Kashmir Day is a national holiday observed in Pakistan 

Date: February 5

Kashmir Day Event Length: 1 Day

Kashmir Day Related to the Kashmir Conflict

Kashmir Day was Started by: Jamaat-e-Islami Pakistan in 1990

Kashmir Day was first proposed by Qazi Hussain Ahmad 

In 1991, the then-Prime Minister of Pakistan Nawaz Sharif called for a "Kashmir Solidarity Day Strike"

Explanation

• First javelin gold for Pakistan was won by Arshad Nadeem in Common Wealth Games in Birmingham, England in August 2022.
  

• He won a gold medal for his record-breaking 90.18-metre throw.
  

• He became first South Asian and second Asian to win this title.

Key Achievements:

• 2024 Paris Olympics: Gold medal ((92.97)m record throw).
• 2022 Commonwealth Games: Gold medal.
• 2022 Islamic Solidarity Games: Gold medal.

Last verified on 10-05-2026

Explanation

• Chlorophyll is a compound that is called a Chelate.
• Photosynthesis depends on the presence of chlorophyll for the absorption of light.

Additional information:

There are about six closely related chlorophylls:

1. chlorophyll a
2. chlorophyll b
3. chlorophyll c
4. chlorophyll d
5. chlorophyll e
6. chlorophyll f

Last verified on 22-01-2026