A printed circuit board that can be installed to enhance a computer's capabilities, as by increasing memory or improving graphics…

Computer Knowledge ·Previously asked in JKSSB Sub Inspector (Executive) 2022

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Question

A printed circuit board that can be installed to enhance a computer's capabilities, as by increasing memory or improving graphics is called

  1. A. writing tablet
  2. B. keyboard
  3. C. expansion board (Correct answer)
  4. D. NIC controller

Correct Answer

Option C — expansion board

Detailed Solution & Explanation

The correct answer is expansion board.

Key Points

  • An expansion board (also called an expansion card or add-in card) is a printed circuit board that can be inserted into an expansion slot on a computer's motherboard to add or enhance functionality.
  • Examples include graphics cards (GPU), sound cards, and network interface cards (NIC).
  • They allow users to upgrade their computer's capabilities without replacing the entire system.
  • A keyboard is an input device; a writing tablet is a stylus input device; an NIC controller is one specific type of expansion board.