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Input Devices : Pointing Mouse : mechanical, light Touch Pad : finger pressure Track Ball : upside down mouse Pointing Stick : TrackPoint, Isopoint Joystick.

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Presentation on theme: "Input Devices : Pointing Mouse : mechanical, light Touch Pad : finger pressure Track Ball : upside down mouse Pointing Stick : TrackPoint, Isopoint Joystick."— Presentation transcript:

1 Input Devices : Pointing Mouse : mechanical, light Touch Pad : finger pressure Track Ball : upside down mouse Pointing Stick : TrackPoint, Isopoint Joystick : and other gaming devices Tablet & Stylus Touch Screen

2 Input Devices : Reading Optical Mark Readers Bar Code Readers Magnetic Ink Character Readers RFID Tags & Readers

3 Input Devices : Reading Optical Character Recognition Handwriting recognition Smart Whiteboard

4 Input Devices : Digitizing Scanner Digital Camera Video Digitizer Digital Video Camera

5 Output : Monitor most familiar (VDT) diagonally in inches pixels, dpi, resolution colour depth : number of colours that can be displayed at one time video adaptor / video card VRAM

6 Output : Monitor Liquid Crystal Display Cathode Ray Tube

7 Output : Printers impact & non-impact dot matrix printers & line printers laser & ink jet & thermal resolution plotter multi-function devices..

8 Colours light & pigment are different Pigment : cyan, magenta, yellow & black Light : red, green, blue

9 Sound Output sound card – accept a microphone, play sound through speakers & headphones. all Macs & most PCs have on board sound. synthesized speech, music, & sounds.

10 Fax Machines / Fax Modems phone lines dots to create the image

11 Combined Devices some devices do both I/O. peripherals interface with the world.

12 Storage Secondary storage / memory magnetic, optical, solid state

13 Storage magnetic tapes magnetic disks hard disks optical disks solid state devices

14 Ports, Slots, Buses & Bays port : connect a device. Slot : place to insert a special piece of hardware. Bus : group of wires connecting bays, ports and slots to the CPU. Bay : open space in the box for a storage device.

15 Standard Ports serial port : one bit at a time, modem parallel Port : groups of bits, printer keyboard / mouse ports USB ports faster, generic, multiple devices, various standards

16 Special Ports on expansion cards video port for the monitor microphone, speaker, MIDI for attaching sound equipment network card adds a port to connect to the LAN

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