Question

Which of the following ports of system unit can be used to attach an external storage media/peripheral devices ?

• A. VGA port
• B. USB port
• C. Parallel port
• D. Serial port

Answer 1

The Correct Option is B

The purpose of this content is to provide clarity on which port of a system unit can be used to attach external storage media or peripheral devices. Understanding the different types of ports and their functions is essential for proper connection and usage of various computer peripherals.

Explanation: Out of the options provided:

• VGA (Video Graphics Array) Port: Typically used for connecting a monitor or projector. It is concerned with video output and not used for connecting storage or peripherals.
• USB (Universal Serial Bus) Port: A versatile port that supports a wide range of peripherals—external storage devices such as USB flash drives, external hard disks, printers, and many more. This makes it the favoured choice for connecting external storage and other peripheral devices.
• Parallel Port: Mainly used for connecting older peripherals such as printers. It is not commonly used for external storage as it has largely been replaced by faster and more efficient interfaces.
• Serial Port: Traditionally used for connecting modems and mouse devices. Not typically used today with external storage media as USB ports have become the much standard choice.

Conclusion: The correct answer is USB port as it is designed to support the connection of a wide variety of external storage and other peripheral devices, offering both versatility and speed.