Explanation

• In Microsoft Word, the Arrange group is used to manage objects like pictures and shapes.
• It includes options such as Align, Rotate, Position, Wrap Text.
• These tools help in organizing and positioning objects properly.
• The Arrange group appears under the Format tab when objects are selected.
• It improves document layout and design.

Last verified on 12-04-2026

Explanation

• Microwave Communication uses high-frequency radio waves.
• It requires line-of-sight (direct alignment) between sender and receiver.
• Used for long-distance communication like towers and satellites.
• Signals cannot bend much around obstacles.

Last verified on 12-04-2026

Explanation

• Multitasking OS → Runs multiple tasks simultaneously (time-sharing)
• Single-tasking OS → Runs one task at a time
• Real-time OS → Responds instantly to inputs
• Batch Processing OS → Processes jobs in groups
• Time-sharing OS → Shared CPU time among users

Last verified on 12-04-2026

Explanation

• In an ER (Entity Relationship) Diagram, relationships between entities are shown using a diamond shape.
• Entities are shown as rectangles.
• Attributes are shown as ovals (ellipses).
• The diamond connects entities and describes their relationship.
• This is a standard database design model.

Last verified on 12-04-2026

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

• In a database table, a row represents a complete set of related data.
• This row is called a record.
• Each record contains multiple fields (columns).
• Records store information about a single entity (e.g., one student).
• It is a basic unit of data storage in databases.

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