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Explain Input And Output Devices Of Computer Pdf

explain input and output devices of computer pdf

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Keyboard is the most common and very popular input device which helps to input data to the computer. The layout of the keyboard is like that of traditional typewriter, although there are some additional keys provided for performing additional functions. These keys include the letter keys A-Z and digit keys 09 which generally give the same layout as that of typewriters. It is used to enter the numeric data or cursor movement. Generally, it consists of a set of 17 keys that are laid out in the same configuration used by most adding machines and calculators. The twelve function keys are present on the keyboard which are arranged in a row at the top of the keyboard.

Output Devices

An output device is any piece of computer hardware equipment which converts information into human read able form. It can be text , graphics , tactile , audio , and video. A new type of Output device is being developed these days, known as Speech synthesizer , [2] a mechanism attached to the computer which produces verbal output sounding almost like human speeches. A display device is the most common form of output device. It presents output visually on computer screen. The output appears temporarily on the screen and can easily altered or erased, it is sometimes referred to as soft copy also.


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.


Lesson 5: Input and Output

Computer Input And Output Device PDF in Hindi

Output device

Paul's passion for technology and digital media goes back over 30 years. Born in the UK, he now lives in the US. Read on for 10 examples and the definition of an "output device.

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What is a mouse in computer system? d. Write down the application of digitized pad and touchscreen. 3. Analytical questions a. Describe the keyboard as input.


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.

The devices are usually used for display, projection, or for physical reproduction. Monitors and printers are two of the most commonly-known output devices used with a computer. A computer can still function without an output device. There is no indicator of errors, nor of the need for additional input.

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. Produce audio output by selecting an appropriate audio output from a set of pre-recorded audio responses Applications include audio help for guiding how to operate a system, automatic answering machines, video games, etc.

Hello friends you can also read this article by clicking this link: Input and output. Resets the bar for 2D imaging, allowing workers to capture 1D and 2D bar codes with laser-style speed and accuracy for first-time every time split second capture of bar codes in virtually any condition. Scans 1D, 2D and PDF bar codes printed on paper labels or displayed on mobile phones or computer screens. Good data. I like it and appreciate your efforts.

Сьюзан посмотрела на решетчатую дверь, ведущую в кухню, и в тот же миг поняла, что означает этот запах. Запах одеколона и пота.

2 Comments

  1. Simone M.

    18.04.2021 at 17:24
    Reply

    Output Device can produce the final product of machine processing into a form usable by humans.

  2. Nimia R.

    20.04.2021 at 13:23
    Reply

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