IGCSE Information and Communication Technology/2. Input and output devices

The course syllabus states that you should be able to: (a) Identify the following input devices: Keyboards, Numeric Keypads, Pointing Devices (including mouse, touch pad and tracker ball), Remote Controls, Joysticks, Touch Screens, Magnetic Stripe Readers, Chip Readers, PIN Pads, Scanners, Digital Cameras, Microphones, Sensors, Graphics Tablet, MICR, OMR, OCR, Barcode Readers, Video Cameras, Web Cams, Light Pens. (b) Identify suitable uses of the input devices stating the advantages and disadvantages of each. (c) Identify the uses of the following sensors: Temperature Sensor, Pressure Sensor, Light Sensor. (d) Identify the following output devices: Monitors (CRT, TFT), Projectors, Printers (laser, ink jet and dotmatrix), Plotters, Speakers. (e) Identify suitable uses of the output devices stating the advantages and disadvantages of each. (f) Identify the following control devices in control applications: Motors, Buzzers, Heaters, Lights/Lamps (g) Identify suitable uses of the control devices stating the uses of each. WHAT IS AN INPUT DEVICE? An input device is any hardware device that sends data to a computer, allowing you to interact with and control it.