What Is Input And Output Devices Pdf

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Output devices convert data from the computer … Those signals are then interpreted by the computer and displayed, or output, on the … Title: Input and Output Devices 1 Chapter 6. Memory Steps after the device signals a request by raising ReadReq and putting the address on the Data lines: 1.

An input device sends information to a computer system for processing , and an output device reproduces or displays the results of that processing. Input devices only allow for input of data to a computer and output devices only receive the output of data from another device.

Choose the correct option and mark your choice against the corresponding question number in the given answer sheet by darkening the corresponding circle with a lead pencil. Now they are also used with nonportable desktop computer systems because they occupy less table space. Non-impact printers. Can print many special characters, different sizes of print, and graphics such as charts and graphs Are non-impact printers Most laser printers are monochrome, but color laser printers are also available Low speed laser printers can print 4 to 12 pages per minute.

Chapter 9: Input-Output Devices

An input device is essentially a piece of hardware component used to provide data and control signals to an information processing system such as computer or information device. Common inputs devices on modern computers include keyboards, mouse and touch screen which are used to enter commands and data directly. Other examples of input devices include scanners, digital cameras, joysticks and microphones. An output device is any hardware component that use received data from a computer to perform a task. The data received by the output device can be text, graphic, tactile, audio or video. Three most commonly used output devices are a printer, a monitor and speakers.

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Inputs are the signals or data received by the system and outputs are the signals or data sent from it. For instance, a keyboard or computer mouse is an input device for a computer, while monitors and printers are output devices. Devices for communication between computers, such as modems and network cards , typically perform both input and output operations. The designation of a device as either input or output depends on perspective. Mice and keyboards take physical movements that the human user outputs and convert them into input signals that a computer can understand; the output from these devices is the computer's input.

From Hardware to Software pp Cite as. Such devices convert between the external means of recording information required by the user, such as punched holes or printed characters, and the internal means of storing information inside the computer, such as patterns of electric signals. Unable to display preview. Download preview PDF. Skip to main content.

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In this lesson students consider a number of computing devices to determine what types of inputs and outputs they use. Groups are assigned to a computing device and based on a teacher-provided definition of input and output, list the inputs and outputs of their device. Earlier in the activity students are prompted to focus on more obvious physical inputs and outputs e.

Input and Output Devices

Computer devices includes, input, output, processing and storage. The input and output devices Venn diagram graphic organizer is a great way for students to compare,contrast and sort these types of digital karate-altay. Inputs are the signals or data received by the system, and outputs are the signals or data sent from it.

Computer input and output devices

Output Device can produce the final product of machine processing into a form usable by humans. It provides man to machine communication. Keyboard is most common input device is used today. The data and instructions are input by typing on the keyboard. The message typed on the keyboard reaches the memory unit of a computer. Apart from alphabet and numeral keys, it has other function keys for performing different functions.

This is the most important topic which you should prepare to score good marks. For this, your calculation speed and accuracy matters a lot. Improve your calculation by learning several short tricks and practice so many questions to ace the topic.


processing of data by the computer through output devices. Examples of some output devices are: •. Monitor. •. Printer. •. Plotter. •. Speaker. Input and output.


What is the difference between an input and output device?

Input and output devices allow the computer system to interact with the outside world by moving data into and out of the system. An input device is used to bring data into the system. Some input devices are:. They are directly connected to an electronic module inside the systems unit called a device controller.

Discrete devices are input or output devices that provide or receive discrete digital signals. Try these curated collections. Which … Graphics Tablet.

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  1. Columba D.

    Input/Output devices are required for users to communicate with the computer. In simple terms, input devices bring information INTO the computer and output devices bring information OUT of a computer system. It is a text base input device that allows the user to input alphabets, numbers and other characters.

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