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

• 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

Explanation

• Modem Full Form: Modulator-Demodulator
• Function: Converts digital signals to analog (and vice versa) for communication over telephone lines or networks
• Use: Connects one computer to another via the internet or network

Last verified on 08-02-2026

Explanation

• Resolution determines the clarity and detail of the display.
• Higher resolution = more pixels on the screen.
• More pixels produce a sharper and clearer image.

Last verified on 07-02-2026

Explanation

• A microprocessor follows the instruction cycle.
• First it fetches the instruction from memory.
• Then it decodes the instruction to understand it.
• Finally it executes the instruction.
• This cycle repeats for every program step.

Last verified on 07-02-2026

Explanation

• Networks are classified by geographical coverage.
• LAN covers a small area like a room or building.
• MAN covers a city.
• WAN covers countries/continents.
• Internet is the largest global network.

Last verified on 07-02-2026