what is the difference between input device and input unit?
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The input unit of the computer system is used for feeding data and instructions to the computer. These data and instructions given to the computer are called as input and the devices used for giving input are called input unit or devices.
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In computing, input/output or I/O (or, informally, io or IO) is the communication between an information processing system, such as a computer, and the outside world, possibly a human or another information processing system.
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Input​ refers to the amount of energy put into a device, and ​ output​ refers to the amount of energy that comes out. A device may change the type of energy but not the amount. For example, a light bulb's input energy is the form of electrical energy, and its output energy is in the form of light and heat.
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a) A single ended input measures the voltage between the input channel high and low level ground common to all the inputs. ... b) A differential input measures the voltage between two individual inputs within a common mode range. The measurement is independent of the low level ground which makes it more immune to noise.
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The most important differences are the size and position of the Enter/Return, and a few differences in the layout. The ~ key and the \ key have an entirely different position on both keyboards. ... The International keyboard ('keyboard type' = ISO) also has one more key than the US keyboard ('keyboard type' = ANSI).
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Output device. An output device is any piece of computer hardware equipment which converts information into human-readable form. It can be text, graphics, tactile, audio, and video. Some of the output devices are Visual Display Units (VDU) i.e. a Monitor, Printer, Graphic Output devices, Plotters, Speakers etc.
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Important Peripheral: GPIO Ports A GPIO (general-purpose input/output) port handles both incoming and outgoing digital signals. As an input port, it can be used to communicate to the CPU the ON/OFF signals received from switches, or the digital readings received from sensors.
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In a PLC system there will usually be dedicated modules for inputs and dedicated modules for outputs. An input module detects the status of input signals such as push-buttons, switches, temperature sensors, etc.. An output module controls devices such as relays, motor starters, lights, etc.
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An input accepts the output signal -- an audio-frequency voltage -- from an external piece of equipment. Audio outputs, by contrast, produce signals that drive another unit's input. Very little signal appears at an unconnected input, as it expects audio from an external device.
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['Input devices: For raw data input.', 'Processing devices: To process raw data instructions into information.', 'Output devices: To disseminate data and information.', 'Storage devices: For data and information retention.']
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Which of the following is not an input device? Keyboard Joystick Monitor Microphone Answer: Monitor An input device is one which is used to pass on information to the computer.
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A computer consists of five functionally independent main parts input, memory, arithmetic logic unit (ALU), output and control unit. Input device accepts the coded information as source program i.e. high level language.
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Basically, the difference between raw_input and input is that the return type of raw_input is always string, while the return type of input need not be string only. Python will judge as to what data type will it fit the best. In case you have entered a number, it will take it as an integer.
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An input method (or input method editor, commonly abbreviated IME) is an operating system component or program that allows any data, such as keyboard strokes or mouse movements, to be received as input. In this way users can enter characters and symbols not found on their input devices.
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Input: Getting Data from the User to the Computer. Some input data can go directly to the computer for processing. Input in this category includes bar codes, speech that enters the computer through a microphone, and data entered by means of a device that converts motions to on-screen action.
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Audio input devices are used to capture sound. ... Audio input devices allow a user to send audio signals to a computer for processing, recording, or carrying out commands. Devices such as microphones allow users to speak to the computer in order to record a voice message or navigate software.
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An input is any pathway through which an audio signal can go IN to the computer. Most obvious is microphone IN or Line IN. An output is any pathway through which an audio signal can be sent OUT of a computer.