Explanation

• DNS stands for Domain Name System.
• It translates website names (like google.com) into IP addresses.
• It works like the “phone book of the internet.”
• Without DNS, users would need to remember numeric IP addresses.
• DNS was introduced in 1983.

Last verified on 26-05-2026

Explanation

• Windows 7 mainly supports the NTFS file system as its default format.
• NTFS provides better security, encryption, and large file support.
• NTFS = New Technology File System (advanced & secure).

Last verified on 26-05-2026

Explanation

• A Client Operating System is designed for personal computers and end users.
• It is used for daily tasks like browsing, gaming, and office work.
• Windows 10 is a popular client OS by Microsoft.
• It runs on desktops and laptops.

Last verified on 26-05-2026

Explanation

• In a directory structure, the topmost directory is called the Root directory.
• It is the starting point of the entire file system.
• All files and folders branch out from the root like a tree structure.
• It is represented as “/” in Linux and main drive like C: in Windows.

Last verified on 26-05-2026

Explanation

• In older versions of Windows, the Recycle Bin was commonly configured to use about 10% of the hard disk space by default.
• It temporarily stores deleted files so they can be restored later if needed.
• If the storage limit is exceeded, older deleted files are removed automatically.

Last verified on 26-05-2026

Explanation

• A light year is the distance that light travels in one year.
• It is used to measure vast distances in space.
• Light moves at approximately 299,792 km per second.
• One light year ≈ 9.46 trillion kilometers (5.88 trillion miles).

Last verified on 17-03-2026

Explanation

The currency of Japan is the yen.

Japan is an island country in East Asia.

Japan is situated in the northwest Pacific Ocean.

The capital of Japan is Tokyo.

The largest city in Japan is Tokyo.

Japan is a part of the Ring of Fire.

The official language is Japanese.

Japan is the eleventh most populous country in the world.

Japan is located on the continent of Asia.

Japan's primary religions are Buddhism and Shinto, but it is a secular country.

Japan's parliament is called the Diet.

Last verified on 17-03-2026

Explanation

• Transparency International is based/headquarters in Berlin Germany.
• It is a German registered association.
• Founders: Peter Eigen, Olusegun Obasanjo
• Founded: May 4, 1993

Last verified on 17-03-2026

Explanation

Agence France-Presse (AFP) is a French international news agency.

Headquarters: Paris, France

Founder: Charles-Louis Havas

Founded: 1835, Paris, France

it is the world's oldest news agency.

AFP has regional headquarters in:

• Nicosia
• Montevideo
• Hong Kong
• Washington

Last verified on 26-05-2026

Explanation

• A lactometer is used to measure the purity and density (thickness) of milk.
• It checks if milk has been adulterated with water by measuring specific gravity.
• Works on the principle of buoyancy.
• Pure milk specific gravity: 1.028–1.032 at 15°C

Last verified on 16-03-2026