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

• WWW stands for World Wide Web.

Additional information:

• It is an information system.
• First published: 6 August 1991
• Founder: Tim Berners-Lee in 1989.
• Birthplace: CERN near Geneva, Switzerland.

Last verified on 01-07-2026

Explanation

• Hub Dam is located in Balochistan province.
• It is near the Sindh border and supplies water to Karachi.
• It is built on the Hub River about 56 km from Karachi.
• The dam lies between Lasbela District (Balochistan) and Karachi (Sindh).

Last verified on 20-06-2026

Explanation

• The Indus River is the longest and most important river in Pakistan
• Flow from Country China, India, Pakistan
• Flows from State Ladakh, Punjab, Khyber Pakhtunkhwa, Sindh, Gilgit-Baltistan, Tibet
• Sources of water Tibetan Plateau, Senge Zangbu, Gar River
• Tributaries Sutlej River, Chenab River, Jhelum River, Ravi River,
• River Sindh Length 3,180 km
• Mouth of the Arabian Sea near Thatta

Explanation

• DOS stands for Disk Operating System.
• It is an early type of computer operating system used to manage files and programs.
• It works through text-based commands (command line).
• A famous example is MS-DOS used in early PCs. 
• Dennis Ritchie is the father of MS-DOS.
• It was developed in 1982.

Last verified on 19-04-2026

Explanation

• Ranikot Fort is located in Jamshoro District, Sindh.
• It is also known as The Great Wall of Sindh.
• It is believed to be the world's largest fort.
• It is circumference of approximately 32 KM or 20 Mile.
• The site was nominated in 1993 by the Pakistan National Commission for UNESCO World Heritage status.
• The fort is listed as a historical site under the Antiquities Act, 1975.
• The small Fort within Rani Kot Fort is known as Mari Kot.

Last verified on 17-03-2026

Explanation

• The Swedish krona is the official currency of Sweden.
• The currency code for the krona is SEK, and the abbreviation is kr.

Additional information:

Sweden Capital is Stockholm.

Sweden official language is Swedish.

Sweden located is in Continent Europe.

Sweden Primary Religion is Christianity.

Sweden Head of Govt. is Prime Minister – Magdalena Andersson.

Last verified on 09-02-2026

Explanation

A related question about Zakat

Zakat is the 3rd fundamental pillar of Islam.

Zakat was made compulsory in 2 A.H but its complete system was imposed in the year of 8th hijrah.

The word Zakat occurs 32 times in the Holy Quran.

**

How many camels render are to par Zakat? 5

How many goats render are to pay zakat? 40

How many cows render are to pay Zakat? 30-40

How many bulls render to pay Zakat? 30-40

How many buffaloes render to pay zakat? 30-40

**

Zakat is payable on gold of_________7.5 tolas

Zakat is payable on silver of_______52.5 tolas

How many times word Zakat is used in Makki Surahs? 22 times

Who is not entitled to get Zakat? Parents, Husband, wife, and children

**

***

ND28-1-2023

Explanation

DVD stands for Digital Versatile Disc.

It is a digital optical disc data storage format

It was invented and developed in 1995 

First released in Japan on November 1, 1996.

Developed by: Sony; Panasonic; Philips; Toshiba

Explanation

CRT stands for "Criterion-Referenced Test".

It s an educational assessment that measures a student's performance against a predetermined set of criteria or standards, not against other students.