Input device

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  • A standard input device has been adapted to permit transcription of either Roman or Cyrillic characters, or a mixture of both, directly onto magnetic tape. The modified unit produces hard copy suitable for proofreading, and records information in a coding system well adapted to processing by a central computer.

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  • In this chapter, you learn what is input and output devices. The keyboard is presented and different keyboard types are described. You are introduced to various pointing devices, such as the mouse, trackball, touchpad, pointing stick, joystick, touchscreen, and pen input. Scanners and reading devices, including optical scanners, optical readers, magnetic ink character recognition readers, and data collection devices are explained,...

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  • With a pen-based system, you use an electronic pen to write on the screen and choose commands. Pens are common input devices for handheld computers, like “personal digital assistants (PDAs).” Pens are handy for making notes or selecting commands, not for inputting a lot of text.

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  • Chapter 3B - Inputting data in other ways. This lesson examines several categories of alternative input devices and discusses the special uses of each. You may be surprised at how often you see these devices, and you may decide that an alternative device will be your primary means of interacting with your computer.

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  • In this chapter, you will: Learn what a stream is and examine input and output streams; explore how to read data from the standard input device; learn how to use predefined functions in a program; explore how to use the input stream functions get, ignore, putback, and peek;…

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  • Discovering Computers - Chapter 5: Input Define input, Describe different mouse types and how they work, Summarize how various pointing devices work, Explain how voice recognition works; Describe various input devices for PDAs, smart phones, and Tablet PCs.

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  • Lecture 3 - Using the input devices. After studying this chapter you will be able to understand: Parts of computer systems, computer hardware, processor, memory, software system, application software, system software, utility programs, data, user, information processing cycle.

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  • Most input/output devices reside the computer case. These devices communicate with what is inside the computer case through cables attached to the case at a connection called a port, sending data and/or instructions to the computer and receiving them from the computer. Most computers have their ports located on the back of the case, but some models put the ports on the front of the case for easy access. The most popular input devices are a keyboard and a mouse, and the most popular output devices are a monitor and a printer. The keyboard is the primary input devices of a computer.

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  • This book considers electronic devices applied to process analog signals in in strument making, automation, measurements, and other branches of technology. They perform various transformations of electrical signals: scaling, integration, logarithming, etc. Such devices are considered in tutorials on electronics. The need in their deeper study is caused, on the one hand, by the great demands of extending the range of input signals, as well as increasing the accuracy and speed of such devices, which usually receive insufficient attention.

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  • The iRobot Roomba is perhaps the best example of mobile robotics entering the home. It performs a useful task and is relatively inexpensive, and while it doesn’t look like Rosie the Robot on The Jetsons, it does have a charm of its own. The purpose of this book is to introduce robot hacking to people who are interested in programming and modifying their own robot but who don’t want to destroy a functioning Roomba. This “reversible hacking” is device modification that can be undone to return the device to its original state.

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  • Sau khi học xong chương này người học có thể: nắm nguyên lý cấu tạo và đặc điểm của thiết bị I/O, nhiệm vụ và yêu cầu của thiết bị I/O, cách giao tiếp giữa CPU và thiết bị I/O, hiểu các bước trong quá trình ngắt quãng, nắm được cơ chế DMA. Mời các bạn cùng tham khảo.

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  • Standard Methods of Input • The Keyboard • The Mouse • Variants of the Mouse The Keyboard • If the CPU is the brain of the computer, then the input devices are its eyes and ears. • The keyboard was one of the first peripherals to be used with computers, and it is stil the primary input device. • The Standard Keyboard Layout • Ergonomic Keyboards • How a Keyboard Works

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  • Ambiguous keyboards provide efficient typing with low motor demands. In our project l concerning the development of a communication aid, we emphasize adaptation with respect to the sensory input. At the same time, we wish to impose individualized language models on the text determination process. UKO–II is an open architecture based on the Emacs text editor with a server/client interface for adaptive language models. Not only the group of motor impaired people but also users of watch–sized devices can profit from this ambiguous typing. ...

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  • Chapter 3A - Using the keyboard and mouse. This lesson introduces you to the keyboard and the mouse. You will learn the importance of these devices, the way the computer accepts input from them, and the many tasks they enable you to perform on your PC.

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  • Bài giảng cung cấp cho người học các kiến thức: Input /Output devices. Hi vọng đây sẽ là một tài liệu hữu ích dành cho các bạn sinh viên đang theo học môn dùng làm tài liệu học tập và nghiên cứu.

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  • Lecture 4 - Inputting data in other ways. After studying this chapter you will be able to understand: Reasons why some computer users prefer alternative methods of input over a standard keyboard or mouse; input data by touch; game controllers; input data by light; other input types, e.g. audio, video etc; when to use which input device? Practical.

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  • - Thiết bị nhập dữ liệu (Input Device): bàn phím (Keyboard), chuột (Mouse), máy quét (Scanner)… - Thiết bị xuất dữ liệu (Output Device): màn hình (Monitor), máy in (Printer), máy cắt decal… - Bên cạnh đó còn có một số thiết bị khác phục vụ cho việc truyền tin giữa máy tính với bên ngoài ở các vị trí địa lý khác nhau như: thiết bị quay số (Modem Fax), card mạng (NIC), dây cáp các loại (Cable System)....

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  • Question 1. What is a computer? A computer may be defined as a machine which accepts data from  an input device, processes it by performing arithmetical and  logic operations in accordance with a program of instructions  and returns the results through an output unit. A computer is basically an electronic machine operating on  current.

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  • What is a computer? A computer may be defined as a machine which accepts data from an input device, processes it by performing arithmetical and logic operations in accordance with a program of instructions and returns the results through an output unit. A computer is basically an electronic machine operating on current.

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  • C lưu dữ liệu (biến, mảng, cấu trúc, …) trong bộ nhớ RAM. Dữ liệu được nạp vào RAM và gửi ra ngoài chương trình thông qua các thiết bị (device). Thiết bị nhập (input device): bàn phím, con chuột. Thiết bị xuất (output device): màn hình, máy in. Thiết bị vừa nhập vừa xuất: tập tin

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