Explanation

• Phishing is a cyber crime method used to steal personal information.
• Attackers use fake emails, messages, or websites to trick users.
• The goal is to get sensitive data like passwords, bank details, or IDs.

Last verified on 12-04-2026

Explanation

• Windows 10 requires minimum 32 GB storage for installation.
• Earlier versions required less, but updates increased the requirement.
• This space is needed for system files and updates.
• More storage is recommended for smooth performance.
• It is a widely used operating system globally.

Last verified on 12-04-2026

Explanation

• A Computer Virus is a malicious program that replicates itself.
• It spreads from one computer to another through files and programs.
• A virus needs a host file to attach and execute.
• It can damage data, slow systems, or corrupt files.

Last verified on 12-04-2026

Explanation

• Digital computers use the binary number system to process data.
• It consists of only two digits: 0 and 1.
• These represent OFF (0) and ON (1) states in electronics.
• All data (text, images, numbers) is stored in binary form.
• It is the foundation of modern computing systems.

Last verified on 11-04-2026

Explanation

s² - 8s + 16 = 0  

Discriminant = b² - 4ac = (-8)² - 4(1)(16) = 64 - 64 = 0  

When D = 0, roots are Real and Equal.

Here: (s - 4)² = 0 → s = 4, 4  

Last verified on 12-04-2026

Explanation

Two quantities are in inverse proportion when one increases and the other decreases.

Their product always remains constant.

Common in real-life situations like speed & time.

If one doubles, the other becomes half.

It is also called indirect proportion.

Direct Proportion → Both increase or decrease together.

Last verified on 12-04-2026

Explanation

Each roll has 6 outcomes, so two rolls = 6 × 6 = 36 possible outcomes  

Last verified on 12-04-2026

Explanation

Let Milk = 3k, Wheat = 2k  

Wheat increases by 50%: new Wheat = 2k × 1.5 = 3k  

New ratio Milk : Wheat = 3k : 3k = 1 : 1  

Last verified on 12-04-2026

Explanation

500 minutes = 8 hours 20 minutes  

9:15 am + 8h 20m = 5:35 pm  

Last verified on 12-04-2026

Explanation

Surface area of a cube = 6 × (edge)²  

= 6 × 5² = 6 × 25 = 150  

Last verified on 12-04-2026