Select the option that contains only computer input devices
Joystick, Keyboard, Mouse, Digitiser
The question asks us to identify the option that includes only computer input devices. Let's explore each option and understand whether each device can be classified as an input device.
- Keyboard, Mouse, Joystick, Printer:
- Keyboard: This is an input device, used to input characters and functions into the computer.
- Mouse: Another input device, used to interact with items on the screen.
- Joystick: An input device, typically used for gaming and controlling movements on the computer.
- Printer: This is an output device, as it produces a physical output on paper.
Since the printer is not an input device, this option is incorrect.
- Mouse, Monitor, Joystick, Keyboard:
- Mouse: Input device.
- Monitor: This is an output device, as it displays information.
- Joystick: Input device.
- Keyboard: Input device.
The presence of the monitor, an output device, makes this option incorrect.
- Joystick, Keyboard, Digitiser, Monitor:
- Joystick: Input device.
- Keyboard: Input device.
- Digitiser: Input device, helps convert analog information into digital form.
- Monitor: Output device.
As the monitor is an output device, this option is also incorrect.
- Joystick, Keyboard, Mouse, Digitiser:
- Joystick: Input device.
- Keyboard: Input device.
- Mouse: Input device.
- Digitiser: Input device.
This option only contains input devices, making it the correct choice.
Therefore, the correct answer is: Joystick, Keyboard, Mouse, Digitiser.
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