Explanation

• Builder: Al-Nu'man I ibn Imru' al-Qais
• Kingdom: Lakhmid Kingdom
• Location: Al-Hirah (near Najaf, Iraq)
• Constructed: Early 5th century AD (traditional account)
• Built for: Bahram V (Bahram Gur), the Sasanian prince

Last verified on 02-08-2026

Explanation

• Punjab covers an area of 205,344 sq km.
• It is located in the northeastern part of Pakistan.
• It covers about 26% (25.8%) of Pakistan’s total area.

Additional information:

• Balochistan: 347,190 sq km
• Sindh: 140,914 sq km
• Khyber Pakhtunkhwa: 74,521 sq km
• Azad Kashmir: 13,297 sq km
• Total area of Pakistan: 881,913 sq km

Verified & Updated

Explanation

• The Valley of Hunain was located near Makkah, on the route between Makkah and Taif.

Additional information:

• Battle: Hunain
• Year: 8 AH / 630 AD
• Between: Hawazin and Thaqif
• Muslim Army: Approximately 12,000
• Qur'anic Reference: Surah At-Tawbah, Verses 25–26

Last verified on 02-08-2026

Explanation

• A firewall is used for security by protecting a computer or network from unauthorized access and cyber threats.
• It monitors and filters incoming and outgoing network traffic.
• Firewalls block malicious connections while allowing trusted communication.
• They help prevent hacking, malware, and unauthorized access.
• Firewalls can be hardware-based or software-based.

Last verified on 02-08-2026

Explanation

• A USB Flash Drive is the most commonly used device for copying files from one computer to another.
• It is a portable storage device that connects through a USB port.
• Users can easily copy, move, and back up files using a USB flash drive.
• It is reusable, lightweight, and compatible with most computers.
• It is also known as a USB drive, pen drive, or thumb drive.

Last verified on 02-08-2026

Explanation

• Shanghai Spacecom Satellite Technology (SSST) was recently granted permission by Pakistan to provide satellite internet services.
• Country: China
• Satellite Orbit: Low Earth Orbit (LEO)
• Regulatory Body: Pakistan Space Activities Regulatory Board (PSARB)
• Other operators: Starlink, OneWeb, SSST

Last verified on 02-08-2026

Explanation

• The statement "All auditors are officers" is directly given, so it must be true.
• "Some officers are investigators" does not imply that any auditors are investigators.

Last verified on 02-08-2026

Explanation

• From the statements: Usman is ahead of Ahmed, and Ahmed is ahead of Bilal, so the order is Usman → Ahmed → Bilal → Hamza.
• Therefore, Usman is definitely the first among them.

Last verified on 01-08-2026

Explanation

• "My grandfather's only son" = that can only be the person's own father.  
• "The daughter of my father" = that is the person's sister.

Last verified on 01-08-2026

Explanation

• Encryption is the security technique that converts plaintext into ciphertext to protect data from unauthorized access.
• Only users with the correct decryption key can read the original data.
• Encryption helps maintain data confidentiality during storage and transmission.
• It is widely used in online banking, emails, messaging apps, and e-commerce.
• Common encryption types are symmetric and asymmetric encryption.

Last verified on 01-08-2026