Correct option is B
Light pens and
joysticks are examples of
input devices. These devices are used to provide data or instructions to a computer system. A light pen allows users to interact with the screen directly, while a joystick is typically used for gaming and control applications.
Important Key Points:
1.
Input Devices: Devices that send data to a computer system for processing. Examples include keyboards, mice, light pens, and joysticks.
2.
Light Pen: Detects screen coordinates by sensing the light emitted from the monitor.
3.
Joystick: Used to control cursor movement or provide directional input, commonly in games.
Knowledge Booster:
·
Output Devices: Devices like monitors and printers that display or produce results from processed data.
·
Printing Devices: Devices such as printers used to produce physical copies of documents or images.
·
Algorithms: A set of instructions or rules for solving a problem, unrelated to hardware components.
