1. Input and Output devices  Input devices put data into the computer.  Output devices process data out of the computer. LO: Recognise and compare input and output and storage devices. Learning outcome: Give correct response to exam-type questions

2. Examples of input devices KeyboardMouse Touch pad Tracker ball Webcam/ Security camera Joystick Bar code Reader Scanner Digital Camera

3. More input devices Midi instrumentsSensors Concept/specialised Keyboard Foot operated mouse Graphics pad Button

4. Output devices CRT Monitor LCD/TFT Monitor VDUs Laser Printer Ink Jet Printer Robot arm / Acuator Speaker Touch Screen Braille printer

5. Storage devices Magnetic tapeHard diskUSB disk CD ROMSolid State HD CostMediumHighLow High Speed V. SlowFast SlowFast Capacity MediumHighMediumLowMedium

6. Some devices can be input and output

7. Optical storage devices CD-ROMCD-R (Recordable)DVD Digital Veratile Disk

8. Exam Question…  Which of these are used as computer input devices? A. Keyboard B. Inkjet printer C. VDUD. Plotter

9. Exam Question…  Which of these can be used as both input and output devices? A. Mouse B. Touch-screen C. Touch PadD. Barcode reader

10. Exam Question  Which of these are output devices A. Magnetic strip reader B. Mouse C. WebcamD. Tracker Ball

11. Exam Question  Which of these are output devices A. VDUB. CRT Monitor C. Laser PrinterD. 17” monitor

12. Exam Question  Give one reason why a mouse may not be suitable for use with a laptop computer 1Can get lost 2May not be enough room to use it. 3etc…

13. Storage questions  How is data stored in a computer?  What is a ‘bit’  What is a collection of bits called?  Arrange the following into ascending order: MegabyteBitKilobyte 16-bit byteGigabyte8-bit byte

14. List the input and output devices on a tablet computer