Multimedia Input And Output Technologies Pdf

multimedia input and output technologies pdf

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Output device

By the end of this chapter, you will be able to:. In Grade 10, you learned that hardware is the physical components of a computer. This includes items such as the monitor or screen , keyboard and mouse. An input device is any device that allows you to enter data into a computer and interact with it. Common input devices include keyboards, computer mice, touchpads and touchscreens.

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.

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. The display device for a desktop PC is called monitor.


Input Devices a. Keyboard,mouse,joystick,scanners,digital camera, bar code reader, touch Sreeen,Speech input device (microphone). III. Output Devices a.


Input Devices

The Input Devices are the hardware that is used to transfer transfers input to the computer. The data can be in the form of text, graphics, sound, and text. Output device display data from the memory of the computer. Output can be text, numeric data, line, polygon, and other objects. The most commonly used input device is a keyboard.

Multimedia Input and Output Devices. Wide ranges of Input and output devices are available for multimedia. Image Scanners: Image scanners are the scanners by which documents or a manufactured part are scanned.

Peripheral device

Input and Output Devices of Computer

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. Each function key has a unique meaning and is used for some specific purpose.

Such devices make up the peripheral equipment of modern digital computer systems. Peripherals are commonly divided into three kinds: input devices, output devices, and storage devices which partake of the characteristics of the first two. An input device converts incoming data and instructions into a pattern of electrical signals in binary code that are comprehensible to a digital computer.

Input and Output Devices

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.

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Input /Output Devices

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Carlos S.

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Input and Output Devices. • Most important components of a multimedia system. • Devices classified as per their use. • Key devices for multimedia output.

Frontino B.

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Input Devices :.

Ekaterina V.

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Multimedia Input/Output Technologies. Multimedia Input and Output Devices: Wide ranges of Input and output devices are available for.

Arlynda M.

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