Which among the following is an output device in the context of computer system?

Correct option is B

Correct Answer: (b) Plotter

Explanation:

• A plotter is an output device in a computer system.
• It is used to produce high-quality graphics, drawings, and diagrams, often used for tasks like engineering and architectural designs.
• Plotters are capable of drawing continuous lines and are ideal for printing large-scale images, such as blueprints.

Other Options:

• Track ball: A trackball is an input device, used to control the movement of the cursor on a screen.
• Light pen: A light pen is an input device that allows the user to interact with the computer screen by pointing at the display.
• Magnetic scanner: A magnetic scanner (such as a magnetic stripe reader) is typically an input device that reads data encoded in magnetic stripes.