Input devices 1.Keyboard In computing‚ a keyboard is an input device‚ partially modeled after the typewriter keyboard‚ which uses an arrangement of buttons or keys‚ to act as mechanical levers or electronic switches. A keyboard typically has characters engraved or printed on the keys and each press of a key typically corresponds to a single written symbol. However‚ to produce some symbols requires pressing and holding several keys simultaneously or in sequence. 2. Mouse In computing‚ a mouse
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Sholes who was issued a patent for a typewriter on July 14‚ 1868. The QWERTY keyboard is named after the five letter keys located at the top left side of the keyboard and is now the official standard of computer keyboards (ISO 9995). Today‚ the QWERTY keyboard is the most commonly found and used computer keyboard in the United States. 2. Why do you think the QWERTY keyboard is the most popular method of data entry? The QWERTY keyboard is the most popular method of entering data because an easy
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INPUT DEVICES 1. Where does the name QWERTY keyboard come from ? The name QWERTY comes from the first six letters on the top row of the alphabet keys. 2. Why do think the QWERTY keyboard is the most popular method of data entry? The QWERTY keyboard is the most popular method of entering data because an easy way of usage and when you get used to it you start typing faster 3. Who might make use of a concept keyboard? A concept keyboard might be used by a fast food restaurant
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INPUT DEVICES 1. Where does the name QWERTY keyboard come from ? The name QWERTY comes from the first six letters on the top row of the alphabet keys. 2. Why do think the QWERTY keyboard is the most popular method of data entry? The QWERTY keyboard is the most popular method of entering data because an easy way of usage and when you get used to it you start typing faster 3. Who might make use of a concept keyboard? A concept keyboard might be used by a fast food restaurant
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Input Devices QWERTY Keyboard The keyboard is the most common type of input device. In other countries‚ the keyboard layout is different due to their different language and characters. There are some variations of keyboards to the normal keyboard. Some are wireless which means that no wire is required to connect it to the PC; and some have ergonomic design‚ which have a special design in order to reduce muscular stress on the user. Mouse The mouse is a pointing device which is used to move
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Computer Hardware – Input Devices and their function (Keyboard‚ Pointing Devices) David Daxon Jr. College of the Bahamas Abstract Any peripheral (piece of computer hardware equipment) used to provide data and control signals to an information processing system such as a computer or other information appliance. Input devices along with output devices makes up the hardware interface between a computer and a scanner or 6DOF (game) controller. This paper however‚ identifies input devices and
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Input devices There are many input formats which enable us to gather up and collect information‚ and enter data and instructions into the computer. Input devices can be manual or automatic. Manual input devices include: Keyboard - including concept keyboard. This is a flat board that contains a grid of buttons. Each button can be programmed to follow instructions. An overlay sheet is placed on the grid with an explanation for each button. They are used in primary schools with young children
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Chapter 9 Input/Output Devices Contents: I. Introduction II. Input Devices a. Keyboard‚mouse‚joystick‚scanners‚digital camera‚ bar code reader‚ touch Sreeen‚Speech input device (microphone) III. Output Devices a. Monitor ‚ Speaker‚ Printers ( different types) ----------------------------------------------------------------------------------------I. Introduction The computer will be of no use unless it is able to communicate with the outside world. Input/Output devices are required for users to
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A THOROUGH OVERVIEW OF INPUT AND OUTPUT DEVICES PRESENTED BY THE MEMBERS OF GROUP B COMPUTER SCIENCE DPT. INTRODUCTION • The I/O devices as parts of the components of an information processing system or a computer system are those devices which enables the computer system to communicate with the outside world. As we all know from the concept of communications in English language that communication is said to have being completed only when the encoder (sender) must have received a feedback from
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INPUT AND OUTPUT DEVICES In computing‚ input/output‚ or I/O‚ refers to the communication between an information processing system (such as a computer)‚ and the outside world possibly a human‚ or another information processing system. Inputs are the signals or data received by the system‚ and outputs are the signals or data sent from it. The term can also be used as part of an action; to "perform I/O" is to perform an input or output operation. I/O devices are used by a person (or other system) to
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