Explanation

• Date: 20 Ramadan, 8 AH
• Gregorian date: December 629 / January 11, 630 AD
• Leader: Prophet Muhammad (ﷺ)
• Place: Makkah (Saudi Arabia)
• Occasion: Victory of Muslims over Quraysh

Additional information:

• Prophet Muhammad (ﷺ) entered Makkah on his favorite camel Al-Qaswa (القصواء).
• Usama Ibn Zaid (RA) was sitting behind him.
• On the way, Prophet Muhammad (ﷺ) recited Surah Al-Fath (48th Surah of the Quran).

Last verified on 01-07-2026

Explanation

• A firewall’s main function is to prevent or block unauthorized access to a computer network.
• It acts as a security barrier between trusted and untrusted networks (like the internet).
• It filters incoming and outgoing network traffic based on security rules.
• It helps protect systems from hackers and unwanted access attempts.

Last verified on 10-06-2026

Explanation

• The dollar sign ($) is used to create an absolute cell reference in MS Excel.

Additional information:

• Absolute Reference: $D$2 (Row and column fixed)
• Relative Reference: D2 (Row and column change)
• Mixed Reference: $D2 (Column fixed)
• Mixed Reference: D$2 (Row fixed)
• Shortcut Key: F4 toggles between reference types.

Last verified on 18-07-2026

Explanation

• The SQL command used to retrieve data from a database table is the SELECT statement.
• This command is fundamental to the Data Query Language (DQL) in SQL.

Last verified on 07-06-2026

Explanation

• COUNTA() counts only non-empty cells in a selected range.
• It counts cells containing numbers, text, logical values (TRUE/FALSE), errors, and formulas that return values.
• It does not count completely empty cells.
• COUNTA() is commonly used for counting filled entries in datasets.

Additional information:

• COUNT() → Counts only numeric cells
• COUNTBLANK() → Counts empty (blank) cells
• COUNTIF() → Counts cells matching a specific condition
• COUNTIFS() → Counts cells matching multiple conditions

Last verified 08-07-2026

Explanation

Explanation

• Prudent means محتاط
• Imprudent means نادان
• Prudent means acting with care, wisdom, and good judgment to avoid unnecessary risks
• Imprudent means acting without care or thinking about the results of your actions

Last updated question NS on 10-09-2026

Explanation

• Value of Pi (π): Approximately 3.14159
• The value of π  (pi) is an irrational number
• Meaning it is a decimal that never ends and never settles into a repeating pattern

Last updated by NA on 09-09-2026

Explanation

• The Battle of Badr was fought in the year 2 AH (After Hijrah)
• Islamic Date: 17 Ramadan, 2 AH
• Gregorian Date: March 13, 624 CE
• Place: Badr (near Madinah)
• Between: Muslims and Makkans (Quraysh)
• Muslim Leader: Muhammad (SAW)
• Muslims: around 313 soldiers
• Number of Muslim martyrs: 14
• Quraysh Army: around 1000 soldiers
• Muslim horses: 2
• Muslim camels: around 70

Last updated by NA on 09-09-2026

Explanation

• Location: Cairo, Egypt
• Established: 970–972 CE
• Era: Fatimid period
• University status: 1961
• Founder associated: Al-Mu'izz li-Din Allah

Last verified on 08-09-2026