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For more such slides visit bcc2000.com

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

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

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

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

Headphones Printers Monitors Speakers

CPU Device Dual Core CPU Device Bajaj Coaching Center, Rohtak

RAM ROM Cache Memory

USB Memory KeyCDs Floppy Disc Bajaj Coaching Center, Rohtak

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

Microsoft Word Microsoft ExcelMicrosoft Access Microsoft PowerPoint

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

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