Explanation

• Nitrous oxide, commonly known as laughing gas.
• It is a colorless, non-flammable gas used in medicine.
• Nitrous oxide (N₂O) causes temporary laughing and relaxation.

Additional information:

• Nitrous oxide was discovered by Joseph Priestley in 1772.

Last verified on 18-01-2026

Explanation

The least count of a Vernier caliper is 0.1 mm (or 0.01 cm).

It is the smallest measurement that can be accurately read using the instrument.

It is derived from the difference between one main scale reading and one Vernier scale reading.

It is commonly used to accurately measure outside diameters of shafts, thicknesses of various parts, diameters of holes or rings, internal dimensions of hollow jobs, and depths of holes or steps. 

Explanation

• Karachi is known as the "City of Lights" in Pakistan.
• This nickname in the 1960s and 1970s for its vibrant nightlife
• It is the largest city in Pakistan
• Known as the 'Economic Hub of Pakistan'.

Last updated on 11-02-2026

Explanation

• Cache Memory is the fastest memory.
• It is typically located inside or very close to the CPU.

Additional information:

• L1 Cache: Usually the fastest and smallest CPU cache.
• L2 Cache: Larger than L1 but generally slower.
• L3 Cache: Larger and usually shared among CPU cores.

Last verified on 09-08-2026

Explanation

• ROM (Read Only Memory) is a non-volatile storage device.
• It stores data permanently even without power.

Additional information:

• RAM (Random Access Memory) is a volatile storage device.
• It loses data when power is off.

Last verified on 17-06-2026

Explanation

• The Port of Seattle is located in the United States.
• Formed: September 5, 1911
• Jurisdiction: King County, Washington
• Headquarters: Washington, U.S
  

Last updated 07-09-2026 by NA

Explanation

• Headers and footers are visible in Page Layout View and Print Layout View.
• They appear at the top and bottom of a page.
• They can contain page numbers, dates, document titles, and other information.

Additional information:

• Page Layout View: Shows how the page will appear when printed, including headers and footers.
• Print Layout View: Displays the document with its page structure, including headers and footers.

Last verified on 02-10-2026

Explanation

Explanation

فعل کی اقسام معنی کے لحاظ سے فعل کی چار قسمیں ہیں: (١) فعل لازم (٢) فعل متعدی (٣) فعل ناقص (٤) فعل معدولہ

 فعل لازم

وہ فعل ہے جس میں کام کا اثر صرف فاعل تک محدود رہے اور اسے مفعول کی ضرورت نہ ہو  

مثالیں عمران جاگا طارق سویا بچہ رویا  

فعل متعدی وہ فعل ہے جس کو مکمل ہونے کے لیے فاعل کے علاوہ مفعول کی بھی ضرورت ہو  

مثالیں حامد نے خط لکھا عمران نے کھانا کھایا  

فعل ناقص وہ فعل ہے جس سے کسی چیز کا ہونا یا نہ ہونا ظاہر ہو  

فعل معدولہ وہ فعل ہے جو کسی کام کو متبادل کے

ساتھ کرنے کا اظہار کرے

Last verified on 02-10-2026

Explanation

اسم جامد وہ اسم ہوتا ہے جو نہ کسی سے بنا ہو اور نہ ہی اس سے کوئی دوسرا کلمہ بنایا جا سکے۔

یہ ایک بنیادی اور غیر تبدیل شدہ اسم ہوتا ہے، جیسے "کتاب" یا "مکہ"۔

Last verified on 02-10-2026