Explanation

• Mac OS is the operating system developed by Apple Inc. for its Mac computers.
• First introduced in 1984 with the original Macintosh.
• Known for its user-friendly interface, stability, and security features.

Additional information:

• Android → Developed by Google
• Windows → Developed by Microsoft

Last verified on 09-02-2026

Explanation

• Linear data structure Definition: Data elements are arranged sequentially in a single line/order
• Access: Each element has a unique predecessor and successor (except first/last)
• Examples: Array, Linked List, Stack, Queue, String

Last verified on 08-02-2026

Explanation

• In a twisted pair cable, wires are twisted together to reduce electromagnetic interference (noise).
• Less noise means the signal stays clearer over longer distances.
• Twisting helps cancel out external interference and crosstalk between pairs.

Last verified on 08-02-2026

Explanation

• Worm Definition: A malware that self-replicates and spreads automatically across networks
• No User Action Needed: Unlike a virus, it does not require a file or user click to spread
• Impact: Slows systems and networks, may delete or steal data

Last verified on 08-02-2026

Explanation

• Also Called: CPU (Central Processing Unit)
• Function: Performs all calculations, logical operations, and controls computer operations
• Location: Mounted on the motherboard, connected to memory and other components

Last verified on 08-02-2026

Explanation

• Interpreter: Translates and executes line by line, allowing immediate error detection
• Used in languages like Python, Ruby, and JavaScript
• Slower execution compared to compiled programs but easier for debugging and testing

Additional information:

• Compiler: Translates entire program at once before execution

Last verified on 08-02-2026

Explanation

• Data Type: int in C++
• Memory Size: Usually 32 bits (4 bytes) on most modern systems

Additional information:

• Can store values approximately from -2,147,483,648 to 2,147,483,647 (signed int)
• Size may vary depending on compiler and system architecture (older systems used 16 bits)

Last verified on 08-02-2026

Explanation

• Full Form: Global Positioning System
• Function: Provides real-time location and navigation anywhere on Earth
• Components: Satellites, receivers, and ground stations

Additional information:

• Developed by the United States Department of Defense
• Used in navigation, mapping, disaster management, and tracking systems

Last verified on 08-02-2026

Explanation

1 Kilobyte (KB) = 1024 bytes

One Megabyte (MB) = 1024 Kilobytes (KB

One Gigabyte (GB) =  1024 Megabytes MB

One Terabyte (TB)= 1024 gigabytes (GB).

The size of information in the computer is measured in:

Kilobytes (KB)

Megabytes (MB)

Gigabytes (GB)

Terabytes (TB)

Last verified on 08-02-2026

Explanation

• Router Function: Connects two or more networks and directs data packets between them
• Use: Essential for internet connectivity and network traffic management

Additional information:

• Works at the network layer (Layer 3) of the OSI model
• Can provide IP addressing, security, and routing functions

Last verified on 08-02-2026