Input device.pptx
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This document provides an overview of computer input devices. It defines an input device as any hardware that sends data to a computer allowing for interaction and control. The most commonly used input devices are keyboards and mice. Other examples mentioned are scanners and microphones. Various types of input devices are described in more detail, including keyboards, mice, and scanners. The document concludes that input devices are essential for allowing users to enter and provide instructions for computers to process.
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This document provides an overview of common computer input and output devices. It discusses keyboards, pointing devices like mice and trackballs, and data entry devices such as scanners, microphones, and digital cameras as the main types of input devices. Under each category, specific examples are described in more detail, including how they function and typical uses. Output devices mentioned include displays for showing text, audio, video, and graphics.
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Input and output devices allow computers to communicate with the external environment. Input devices such as keyboards, mice, and scanners allow users to enter data and instructions. Output devices such as monitors, printers, and speakers allow the computer to display or convey the results of processing. Common input devices include keyboards for text entry, pointing devices like mice, and scanners for digitizing images. Common output devices are visual display units like computer monitors, audio speakers, and printers for producing hard copies. Together, input and output devices enable interaction between humans and computers.
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This document discusses computer input and output devices. It describes various input devices like keyboards, pointing devices, game controllers, cameras, and scanners that allow users to enter data into a computer. It also covers output devices such as computer monitors, printers, speakers, headphones, and projectors that display or communicate the results of processed data to users. The document provides details on the purpose and functioning of different types of common input and output hardware used with computers.
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The input unit converts user input into binary format understandable by the computer. It contains input devices like the keyboard and mouse. The keyboard allows text and character input while the mouse provides spatial input and cursor control. Various other input devices exist for different input modes and dimensions, either providing discrete single inputs or continuous stream of inputs.
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The document discusses various types of input devices used in computer systems. It begins by explaining that the input unit acts as an intermediary between the user and the computer by receiving raw data and processing it. Some common input devices are then described, including the keyboard and mouse. The keyboard allows text input and additional functions, while the mouse is used to control cursor position. Other input devices mentioned include the joystick for CAD and games, light pen for drawing, trackball as an alternative to the mouse, and scanners, magnetic ink card readers, optical character readers, and bar code readers for converting other formats to digital. Microphones are also covered as a device for sound input.
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Input devices
Input devices allow users to enter data and instructions into a computer. Common input devices include keyboards, mice, trackballs, touchpads, joysticks, bar code readers, scanners, light pens, and handwriting recognition. Keyboards allow text entry and contain letter, number, and symbol keys. Mice and trackballs are pointing devices that move a cursor on the screen when moved over a surface. Touchpads serve as alternatives to mice on laptops. Scanners convert printed text and images into digital files.
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Lorem ipsum dolor sit amet, consectetur adipiscing elit. Phasellus nec sem a eros sodales varius non vitae metus. Suspendisse venenatis ullamcorper gravida. Donec venenatis, dui eu scelerisque finibus, risus sapien molestie risus, et tincidunt mi eros eget metus. Vestibulum feugiat elit quis erat commodo faucibus. Curabitur vel congue nibh. Etiam turpis sem, aliquet congue magna ac, elementum ullamcorper velit. Etiam eget lobortis nisi. Mauris vulputate ligula eget fringilla blandit. Integer ac lobortis nibh, vitae fringilla massa. Vestibulum ut metus est. Duis nec accumsan metus, a vulputate turpis. Maecenas vulputate mi eget nunc sollicitudin porttitor.
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Fusce quis mollis nulla, sit amet ultrices purus. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam eros quam, ultricies in malesuada id, mollis non velit. Morbi leo nulla, hendrerit vitae varius non, hendrerit finibus magna. Nunc porta elit eu leo finibus suscipit. Sed ac euismod risus. Quisque maximus justo vel efficitur bibendum.
Quisque facilisis ipsum mauris, eget ultrices dui ultrices ut. Proin eleifend consequat semper. Maecenas vestibulum mattis est, vitae pretium tortor ultricies vitae. Pellentesque auctor pulvinar dolor, sit amet maximus nulla consectetur et. Nullam suscipit tincidunt massa eu dapibus. Vestibulum in dapibus elit. Phasellus vitae sem vel ligula bibendum aliquam. Aenean viverra ac mi vitae rhoncus. Vivamus semper et lorem maximus condimentum. Cras commodo eu sapien at mollis. Cras laoreet lorem quis magna condimentum elementum. Maecenas aliquet ante ut hendrerit faucibus. Duis sit amet vulputate massa. Praesent sed lacus malesuada, maximus felis vitae, ornare dolor.
Etiam nulla ligula, mollis quis imperdiet rutrum, ornare sit amet nibh. Cras vitae gravida risus, in hendrerit augue. Morbi id diam est. Phasellus rhoncus cursus diam, vel luctus est rutrum in. Suspendisse pretium ac leo a ullamcorper. Pellentesque finibus id velit quis faucibus. Nullam ultrices nibh id enim scelerisque, sed vestibulum eros fermentum. Duis vestibulum orci sapien, non varius nisl vulputate quis. Mauris lacinia tellus dui, ut dictum elit bibendum sit amet. Ut vel nulla non ipsum egestas pharetra. Nunc purus sapien, euismod nec rhoncus vitae, vehicula non tellus. Proin ante elit, dictum rhoncus enim nec, convallis venenatis mi. Integer eu purus lobortis elit vehicula facilisis vitae sed ex. Nam scelerisque nulla massa, consequat varius tellus condimen
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Computer is an electronic device that can store, process, and manipulate data. It was invented by Charles Babbage. Computers are fast, efficient, reliable, versatile, and can store vast amounts of data. The basic operations of a computer include inputting data, processing the data, and outputting the results. Common input devices include keyboards, mice, scanners, and digital cameras. Common output devices are monitors, printers, and touch screens.
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Computer input devices include the keyboard, mouse, joystick, light pen, track ball, scanner, graphic tablet, microphone, magnetic ink card reader, optical character reader, and bar code reader. The keyboard allows input of text, while the mouse is used to control cursor movement and select items. Other common input devices are the joystick for gaming, light pen for screen interaction, track ball in laptops, and scanner to digitize documents. Specialized readers include the magnetic ink card reader for bank checks, optical character reader to digitize text, and bar code reader for product labeling.
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The document discusses various hardware and input devices used for multimedia projects. It describes how multimedia projects require high-performance processors, large memory, and storage. It then explains that keyboards, mice, touchscreens, microphones, scanners, and optical character recognition systems are common input devices that allow users to enter raw data for processing and create multimedia projects. Scanners digitize physical documents while OCR converts scanned text into editable formats.
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The document provides an overview of various computer input devices including mice, keyboards, scanners, and game controllers. It describes the basic functions of common input devices like the mouse, keyboard, and scanners. It also covers newer input devices such as touch screens, webcams, virtual reality gloves, and motion-sensing game controllers. A wide range of scanning technologies and specialty keyboards are also summarized.
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The document provides an overview of basic computer knowledge covering topics such as what a computer is, the history and development of computers, computer hardware including different types of computers and their main parts, computer memory, input and output devices, software, and generations of computers. It discusses how Charles Babbage is considered the father of the computer and the development of early mechanical calculators. It also summarizes the key characteristics of different generations of computers from vacuum tubes to modern AI-based systems.
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The four major components of a computer are the input unit, central processing unit, storage unit, and output unit. The input unit accepts data and passes it to the storage unit. The central processing unit contains the arithmetic logic unit for processing and the control unit for controlling other units. The storage unit stores data, instructions, and results. The output unit converts results into a human readable format and supplies them to output devices.
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This document discusses computer input and output devices. It describes various input devices like keyboards, pointing devices, game controllers, cameras, and scanners that allow users to enter data into a computer. It also covers output devices such as computer monitors, printers, speakers, headphones, and projectors that display or communicate the results of processed data to users. The document provides details on the purpose and functioning of different types of common input and output hardware used with computers.
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The input unit converts user input into binary format understandable by the computer. It contains input devices like the keyboard and mouse. The keyboard allows text and character input while the mouse provides spatial input and cursor control. Various other input devices exist for different input modes and dimensions, either providing discrete single inputs or continuous stream of inputs.
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The document discusses various types of input devices used in computer systems. It begins by explaining that the input unit acts as an intermediary between the user and the computer by receiving raw data and processing it. Some common input devices are then described, including the keyboard and mouse. The keyboard allows text input and additional functions, while the mouse is used to control cursor position. Other input devices mentioned include the joystick for CAD and games, light pen for drawing, trackball as an alternative to the mouse, and scanners, magnetic ink card readers, optical character readers, and bar code readers for converting other formats to digital. Microphones are also covered as a device for sound input.
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Input device.pptx
- 1. 1 Contents • What is Input Device? • What does input device used in computer • What are the various types of input device? • Conclusion
- 2. • Input device is any hardware device that send data to a computer , allowing you to interact with and control it. • Most commonly used input device is Keyboard and Mouse. • There are other device like Scanner, Microphone, etc. Which help to input data into a computer. 2 What is Input Device?
- 3. • Input devices are important because they are what allow you to interact with and add new information to a computer. • All input device send data over a cable ,ports or wireless transmission to computer. 3 What does an Input device send to a computer? What happen if computer had no input device?
- 4. Various types of Input Device 4
- 5. • Most common input device used for entering data and information into the computer system. • With the help of keyboard we can enter the data just by pressing the keys to tell what would you like to shown on the screen. • It has a different set of keys for Alphanumeric keys , Punctuation keys & Special keys 5 Keyboard Why is the keyboard considered as input device?
- 6. • A mouse is a pointing device which is used to input data & information by pointing on it. • Function of mouse like to open program , select text or file & drag and drop. 6 Mouse
- 7. 1. Mechanical Mouse:- • Containing a metal or rubber ball on it under side. • When the ball is rolled in any direction , sensor inside the mouse detect the motion and move the pointed accordingly. 2. Optical Mouse:- • Use laser rays for the movement of cursor on the screen. • Detected by changes in the reflected light. 3. Cordless Mouse:- • Cordless mouse is used to connect to a computer without any wire. • Wireless technology is used like for Eg - Bluetooth , USB receiver 7
- 8. • It is a device which is used to input data in the form of pictures. • It optically scan images, printed text , handwriting & object etc. • There are two types of scanner which is Handheld & Planetary Scanner. • Handheld scanner - A handheld scanner is an electronic device used for scanning physical documents into digital formats. • Planetary scanner – This scanner takes photographs of books & documents. 8 Scanner
- 9. 9 Conclusion • input device is a part of computer hardware. • It allows users to enter and give instruction to be able in process into the computer system. • Without Input and Output devices, computers probably would be useless.
- 10. 10 Any Question?
- 11. 11 Thank You !