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Aravali College of Engineering and Management, Faridabad

Description regarding some computer devices

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Aravali College of Engineering and Management, Faridabad

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  1. Program Name : BBA (FS&B)Semester : 1st Sem Course Name: Computer & Information Systems

  2. TOPICS TO BE COVERED: Introduction to Devices Types of Devices Explanation of various types of devices Conclusion

  3. Introduction to Computer Devices: Computer Device : Any electronic equipment controlled by a CPU , including Desktop and Laptop computers , Smart phones and Tablets. It usually refers to a general-purpose device that can accept software for many purposes.

  4. Types of Devices: Input Devices Output Devices

  5. INPUT DEVICES An input device is a piece of equipment used to provide data and control signals to an information processing system such as a computer or information appliance.

  6. OUTPUT DEVICES An output device is any piece of computer hardware equipment which converts information into human –readable form. It can be text , graphics, audio and video.

  7. INPUT DEVICES

  8. SCANNER A Device that optically scans images , printed text , handwriting or an object and converts it to a digital image. Commonly used in offices are variations of the desktop flatbed scanner where the document is placed on a glass window for scanning.

  9. MOUSE M-Manually O-Operated U-user S-selection E-Equipment A mouse is a device that is connected to a computer . By moving it over a flat surface and pressing its buttons , you can move the cursor around the screen and do things without using the keyboard.

  10. KEYBOARD A keyboard is basically a board of keys along with the mouse. The keyboard is one of the primary input device. The keyboards design comes from the original typewriter keyboard which arranged letters and numbers in a way that prevented the type bars from getting jammed when typing quickly.

  11. OUTPUT DEVICES

  12. SPEAKER Speaker are popular output devices used with computer systems. They receive audio input from the computers sound card and produce audio output in the form of sound waves . Speakers usually come in pairs which allows them to produce stereo sound from two separate audio channels.

  13. MONITOR A computer monitor is an output device that displays information in pictorial form. A monitor usually comprises the visual display , circuitry , casing and power supply . Monitors also refer to speakers used for monitoring sound used by studio monitors to listen to recordings.

  14. PRINTER A printer is an output device that prints paper documents. This include text documents, images or a combination of both. Two most common types of printers are : Inkjet printer Laser printer

  15. Conclusion The computers will be of no use unless it is able to communicate with the outside world. Input and Output devices are required for users to communicate with the computer. In simple terms, input devices bring information into the computer and output devices bring information out of a computer system. These input and output devices are also known as peripherals since they enclose the CPU and memory of a computer system.

  16. Aravali College of Engineering And Management Jasana, Tigoan Road, Neharpar, Faridabad, Delhi NCR Toll Free Number : 91- 8527538785 Website : www.acem.edu.in

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