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Question

A/An ______ is an interface on a computer to which you can connect a device.

This question was previously asked in
RRB ALP 2018 CBT 2 Fitter Question Paper (21-Jan-2019) (Shift 3)
The correct answer is

port

Understanding Computer Interfaces and Device Connection

The question asks to identify the term for an interface on a computer where you can connect a device. Let's examine the options provided to understand which one fits this description of a computer interface.

Analyzing the Options for Computer Interfaces

  • amine: An amine is a type of chemical compound derived from ammonia. This term has no relation to computer hardware or interfaces.
  • dongle: A dongle is a small hardware device that plugs into a port on a computer or other electronic device. Examples include USB dongles for Wi-Fi, Bluetooth, or software licensing. While it connects to an interface, it is the device itself, not the interface.
  • array: In computer science, an array is a data structure used to store a collection of elements, typically of the same data type, in contiguous memory locations. This is a programming concept and not a physical interface for connecting devices.
  • port: In the context of computing, a port is a physical connection point or interface on a computer or other electronic device. These ports allow devices such as keyboards, mice, printers, external hard drives, monitors, and network cables to be plugged in and communicate with the computer. Examples include USB ports, HDMI ports, Ethernet ports, and audio ports.

Based on the analysis, the term that describes an interface on a computer to which you can connect a device is a port.

Detailed Explanation of Computer Ports

A computer port serves as a physical or logical interface point. Physical ports are visible connectors on the outside of the computer case, designed to match specific cables or plugs from external devices. They provide the means for power and data transfer between the computer and the connected peripheral.

Different types of computer ports are designed for specific purposes and types of devices:

  • USB Ports: Used for connecting a wide range of devices like keyboards, mice, printers, cameras, external storage, and charging devices.
  • HDMI/DisplayPort: Used for connecting monitors and other display devices.
  • Ethernet Port: Used for connecting the computer to a wired network.
  • Audio Jacks: Used for connecting headphones, microphones, and speakers.
  • Power Port: Used for connecting the power supply or charger.

These ports are the essential connection points that enable a computer system to interact with external hardware, making them the interfaces where devices are connected.

Comparing the Terms

Let's quickly compare the meanings in the context of connecting devices:

  • Amine: Chemical compound (Incorrect).
  • Dongle: The device being connected (Incorrect).
  • Array: Data structure (Incorrect).
  • Port: The interface where a device connects (Correct).

Therefore, the correct term is port.

Summary of Terms
Term Definition in Computing Context Fits "Interface for Device Connection"?
Amine N/A (Chemical) No
Dongle External hardware device No (It connects *to* the interface)
Array Data structure No
Port Connection point/interface on a computer Yes

Revision Table: Computer Ports and Interfaces

Reviewing the key concept related to the question:

  • What is a Port? A port is a physical connection point on a computer or device where external peripherals or network cables can be plugged in.
  • Purpose of Ports: To allow communication and data transfer between the computer and connected devices.
  • Examples: USB, HDMI, Ethernet, Audio Jack, Power.

Additional Information: Types of Computer Interfaces

While ports are physical interfaces, the term "interface" can be broader in computing. It can also refer to logical interfaces or user interfaces.

  • Physical Interface: Hardware connection points like ports (USB, HDMI, etc.), slots (PCIe slots for expansion cards), or sockets (CPU sockets).
  • Logical Interface: Software-based interfaces or protocols that allow communication between different software components or systems (e.g., API - Application Programming Interface).
  • User Interface (UI): The means by which a user interacts with a computer system or software (e.g., graphical user interface with windows and icons, command-line interface).

The question specifically refers to connecting a device, which points to a physical interface, and "port" is the most appropriate term among the options provided for this kind of physical connection point on a computer.

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Important Questions from Networking

  1. What is the full form of DHCP in networking system?

  2. _________ facilitates short-range wireless connectivity.

    A. Modem

    B. Firewall

    C. Bluetooth

    D. Set-Top box

  3. Which of the following is NOT a layer of the Internet Protocol Suite (TCP/IP)?

  4. Which of the following devices is most commonly used to connect multiple computers within a Local Area Network (LAN) and also efficiently manage data traffic by only sending data to the device it is intended for?

  5. Which of the following is a type of network that allows users from outside to access the Intranet of an organisation?

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