Basic Input And Output Devices Of Computer Pdf

basic input and output devices of computer pdf

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Input and Output Devices of Computer

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. For example, the speakers of a multimedia computer system are directly connected to a device controller called an audio card such as a Soundblaster , which in turn is connected to the rest of the system.

To interact with a computer, you need an intermediary, something that receives data you input and translates it for your computer. This intermediary is an input device. Input devices for communication are those that let you send sounds, thoughts, images or files to others via the computer. For business, input devices let you reach out to customers, colleagues and vendors. Businesses sometimes have hard copies of documents or images at one location that someone at another location needs to see. Scanners can translate a hard copy into a digital file, which allows a connected computer to receive it. The file can then be uploaded or emailed to remote locations.

Get top class preparation for UGC right from your home: Get detailed illustrated notes covering entire syllabus : point-by-point for high retention. A Computer is a General-purpose machine, commonly, accepts inputs , stores, manipulates, and generates outputs data as numbers, text, graphics, voice, video files, or electrical signals, in accordance with instructions called a program. This design is still used in most computers produced today. Mauchly at the University of Pennsylvania. Hardware — Computer hardware are the physical parts of computer, such as the monitor, keyboard, and mouse. It also includes all the parts inside the parts of computer such as the hard disk drive, motherboard, video card, and many others. Input Devices - Input device is a part of computer hardware equipment used to provide data and control signals to an information processing system such as a computer or information appliance.

Computer - Input 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. The mouse is rolled over the mouse pad, which in turn controls the movement of the cursor in the screen.

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. Throughout the lesson the teacher records inputs and outputs that are identified on a T-Chart at the front of the room. To conclude the lesson students examine common activities they do on a computing device and select the inputs and outputs used for that activity from the chart.

Basics of Computer and Input Devices with Examples for Competitive Exams

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.

Input and Output Devices

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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. Throughout the lesson the teacher records inputs and outputs that are identified on a T-Chart at the front of the room. To conclude the lesson students examine common activities they do on a computing device and select the inputs and outputs used for that activity from the chart. In the previous lesson students were introduced to the input, output, store, and process model of a computer.


the basic concepts of input/output devices;. • functions of Input and output devices of a computer system are the devices that connect you to computer. Input​.


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List of Input Devices, Output Devices and Both Input Output devices related to computer.

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Input/Output devices are required for users to communicate with the computer. It is a text base input device that allows the user to input alphabets, numbers.

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