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3. Input Devices Output Devices Processing Devices Memory Devices Storage Devices Bajaj Coaching Center, Rohtak

4. An input device is an electromechanical device that accepts data from outside world and translates them into a form a computer can interpret. Some input devices are- Keyboard devices Point- and -draw devices Data scanning devices Electronic card based devices Speech Recognition devices Vision based devices Bajaj Coaching Center, Rohtak

5. Keyboard and Mouse Webcams and Cameras Microphones Bajaj Coaching Center, Rohtak

6. Figure 4.9 Banks use magnetic-ink character recognition (MICR) to automate their input procedures. Bajaj Coaching Center, Rohtak

7. Headphones Printers Monitors Speakers

8. CPU Device Dual Core CPU Device Bajaj Coaching Center, Rohtak

9. RAM ROM Cache Memory

10. USB Memory KeyCDs Floppy Disc Bajaj Coaching Center, Rohtak

12. Application Software System Software Computer software, or just software, is a collection of computer program that provide the instructions for telling a computer what to do and how to do it. Bajaj Coaching Center, Rohtak

13. Microsoft Word Microsoft ExcelMicrosoft Access Microsoft PowerPoint

16. Personal Computers Workstation Mainframe & Supercomputers Laptops PDA/Pocket PC Bajaj Coaching Center, Rohtak

22. Same as PCs in functionality More Compact, Portable Less Power requirement, operated on battery/s Less capacity compared to PCs Maintenance and actually are costlier compared to PCs Bajaj Coaching Center, Rohtak