Page 169 - DCAP403_Operating System
P. 169
Operating System
Notes Figure 9.4: Touch Screen
Joystick: A joystick is an input device consisting of a stick that pivots on a base and reports its
angle or direction to the device it is controlling. Joysticks are often used to control video games,
and usually have one or more push-buttons whose state can also be read by the computer. A
popular variation of the joystick used on modern video game consoles is the analog stick.
Figure 9.5: Joystick
Scanner: Hardware input device that allows a user to take an image and/or text and convert it
into a digital file, allowing the computer to read and/or display the scanned object. A scanner is
commonly connected to a computer USB, Firewire, Parallel or SCSI port.
Figure 9.6: Scanner
Microphone: Sometimes abbreviated as mic, a microphone is a hardware peripheral that allows
computer users to input audio into their computers.
Figure 9.7: Microphone
162 LOVELY PROFESSIONAL UNIVERSITY
