Micro Input Output
- 1. COMPUTER HARDWARES INPUT DEVICES, OUTPUT DEVICES AND STORAGE MEDIA
- 2. Recap previous lesson Parts of computer system 3 2 1 Monitor CPU Speakers 3
- 3. Objectives be able to identify and state the functions of; Input devices Output devices Storage media
- 4. Introduction Input device? An input device is a piece of hardware that is used to enter data into a computer. Input : Enter data
- 5. Introduction Output device? piece of hardware that is use to get information OUT of a computer Output : Produce results / data
- 6. Introduction Storage device? A device used for storing something (information/data). Storage : keep / save data
- 7. Input devices Keyboard Mouse Scanner Joystick Input devices
- 8. Keyboard a set of alphanumeric and command keys used to input information to a computer
- 9. Mouse and Joystick act as a pointing device controlling device Scanner a device that scans images, printed text, handwriting, or an object, and converts it to a digital image.
- 10. Output devices Output devices Printer Monitor Plotter Projector
- 11. Printer a printer is a device that accepts text and graphic output from a computer and transfers the information to paper.
- 12. Monitor A display screen used to present information from a computer
- 13. Plotter Plotters are a specialist type of printer which is able to draw high quality images on very large pieces of paper, for example 3 foot wide by 10 foot long.
- 14. Printer vs Plotter Printers Plotters
- 15. Storage devices storage devices Floppy disks Hard disk A zip disk Pen drive
- 16. Storage devices – keep data Storage media Capacity Ease of use Floppy disk 1.44mb ★ Hard disk 40gb ★★★★ Pendrive 2gb to 16gb ★★★★ CD or DVD 700mb / 4.7gb ★★★
- 17. Exercise Sort these devices into the correct column. * scanner * printer *keyboard * mouse * monitor * joystick * speakers Input devices Output devices
- 18. Summary Always remember: Input device is a device that used to enter data Output device is a device which capable of representing information from a computer Storage media is a device that stores / keep data
- 19. Research – Google , search the following devices: Input devices?Output devices? Touchscreen Digital camera Projector
- 20. End lesson Thank you.