Explanation

• A server protocol is a set of rules used for communication between computers over a network.
• HTTP, DHCP, and DNS are standard computer/server network protocols.
• JPEG is not a protocol; it is an image file format used for pictures.

Last verified on 01-02-2026

Explanation

• Email allows users to send digital files as attachments along with messages.
• Different types of files like documents, audio, and video can be attached.
• Attachment features make email useful for education, business, and communication.

Last verified on 01-02-2026

Explanation

• In Microsoft Word, hyperlinks are shown as blue underlined text by default.
• The blue color helps users easily identify clickable links.
• After clicking, the link color may change, but the default is blue.

Explanation

• Bps (Bits per second) measures the rate at which data is transferred from one device to another.
• It is commonly used for network speed, internet speed, and bus transfer rates.

Additional information:

• Modern systems often use Mbps (Million bps) or Gbps (Billion bps) for high-speed data networks.

Last verified on 28-01-2026

Explanation

Capacitive touchscreens detect changes in electrical charge from the human finger.

They allow multi-touch gestures like pinch, zoom, and swipe.

Resistive touchscreens only detect single-point pressure.

Capacitive screens are used in smartphones, tablets, and modern touch devices.

Explanation

The software used to both open PDF files and surf websites is called a web browser. 

Some commonly used web browsers are

Google Chrome, Microsoft Edge, Mozilla Firefox, and Safari

Explanation

A data array stores multiple elements of the same type in contiguous memory locations.

Each element can be accessed directly using an index.

Arrays provide efficient memory storage and quick access.

They are a basic and widely used data structure in programming.

Explanation

A software patch is an emergency fix which is worked upon the obsolete version whenever a vulnerability is encountered.

Explanation

 The BIOS (Basic Input/Output System) is firmware that contains a computer's startup instructions.

It resides on a motherboard chip, initializes hardware, and performs a power-on self-test (POST) to ensure components function properly before loading the operating system.

Explanation

ARP stands for Address Resolution Protocol.

It is used in computer networks to map IP addresses to MAC addresses.

ARP works within a local area network (LAN).

It was defined in 1982 by RFC 826, which is Internet Standard STD 37.