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PPT on INPUT & OUTPUT DEVICES
The document outlines the essential functions and types of input and output devices connected to a computer, crucial for entering and retrieving data. It describes various input devices such as keyboards, mice, optical devices, audio, and video input methods, alongside output devices like monitors, printers, audio output devices, and projectors. The conclusion emphasizes the importance of these devices as intermediaries between users and machines in the data communication process.
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PPT on INPUT & OUTPUT DEVICES
- 1. PREPARED BY :- HARSH MEHAR VISHAKHA ASTHA KALPANA INPUT AND OUTPUT DEVICES
- 2. HOW?? •Do you everwonder how information gets in your computer and how comes out in a form you can use? So, It is only possible with the help of Devices.
- 3. It canbe defined as the components or peripeharls which are attached to the computer to enter the data and get the desired result. Examples:- Monitor,Keyboard,Mouse,Printer,etc. What is Device?
- 4.
- 5. INPUT DEVICES It is anElectromechanical Device that can be used to enter data and instructions to the computer.
- 6. Input Devices Pointing Devices Keyboard OpticalInput Devices Audio Input Device Video Inpu Device
- 7. Pointing Devices A pointingdevice, or sometimes called a pointing tool, is a hardware input device that allows the user to move the mouse cursor in a computer program or operating system.
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- 9. Mouse Was InventedIn during 1960’s. By Douglas Engalebart. Mouse can be used to control and manipulate cursor movement on monitor Types Of Mouse Mechanical Mouse Optical Mouse Wireless Mouse MOUSE
- 10. Keyboard WasInvented By Christopher Latham Sholes A Keyboard is a human interface device which is represented as layout of button or keys. Features of keyboard:- 1. Typewriter Keyboard with Numeric Keypad. 2. Special Purpose Keys. 3. Toggle And Combination Keys. KEYBOARD
- 11. Optical inputdevices that uses light as a source of input. They eliminate the need for manual entry of data, thus accuracy increases. Types of Optical Input Devices: 1. Scanner 2. Barcode Reader Optical Devices
- 12. Audio inputdevices records the analog sound and convert it into digital form for further processing. Types Of Audio Input Devices. 1. Voice Recognition 2. Microphone 3. Music Instrument Audio Input Devices
- 13. Video Input Devicesare used to entering full motion video recording into a computer. Video Input Devices
- 14. Output Devices Output Devicesare used to receive information from the computer either in Softcopy or Hard Copy.
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- 16. Monitor wasinvented in 1897 By Karl Ferdinand Braun. A computer monitor or a computer display is an electronic visual display for computers. A computer monitor is an electronic device that shows pictures for computers. Monitors often look similar to televisions. There are three types of monitor: 1. C.R.T Monitor 2. L.C.D Monitor 3. L.E.D Monitor MONITOR
- 17. Printer wasinvented by Johannes Gutenberg In computing, a printer is a peripheral which makes a persistent human- readable representation of graphics or text on paper or similar physical media Types Of Printer:- 1. Impact Printer :- An impact printer makes contact with the paper. It usually forms the print image by pressing an inked ribbon against the paper using a hammer or pins. Eg. Dot-Matrix , Daisy Wheel, Etc. 2. Non-Impact Printer :- Non-impact printers do not use a striking device to produce characters on the paper; and because these printers do not hammer against the paper they are much quieter. Eg. Inkjet , Laser, Etc. PRINTER
- 18. The term“Audio Output Device" refers to any device that attaches to a computer for the purpose of playing sound, such as music or speech. The term can also refer to a computer sound card. Types Of Audio Output Device:- 1. Speakers 2. HeadPhones 3. Sound Card AUDIO OUTPUT DEVICE
- 19. Projector wasinvented by Charles Francis Jenkins. A projector or image projector is an optical device that projects an image (or moving images) onto a surface, commonly a projection screen. PROJECTOR
- 20. CONCLUSION Input and Outputdevices are indispensible components of a personal computer. Act as a intermediary between the user and the machine in the process of communication. Are the beginning and end of all processes, instructions executed in the machine. without these devices, no operation can be effectuated.