Input Devices And Their Functions Pdf

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input devices and their functions pdf

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In computing , an input device is a piece of equipment used to provide data and control signals to an information processing system such as a computer or information appliance. Examples of input devices include keyboards , mouse , scanners , cameras , joysticks, and microphones. A 'keyboard' is a human interface device which is represented as a layout of buttons. Each button, or key, can be used to either input a linguistic character to a computer, or to call upon a particular function of the computer. It acts as the main text entry interface for most users.

Input device

These are used to write documents but can be used to navigate user interfaces in lieu of a mouse. The computer is able to register the movement of the mouse and translate it as movement of the cursor on the screen. A mouse also contain buttons that allow the user to select objects, move windows or open applications. Many also include a scrolling wheel to allow for scrolling through long documents or Web pages. Many users prefer a trackball to a mouse, because it involves less wrist movement, reducing repetitivemotion issues. It works like a mouse or trackball, except it's a flat panel you move your finger across.

Also, here are more than 15 output devices mentioned for you. There are multiple types of output devices which give result in multiple formats as it differs according to the functions of output devices. They are used in multiple areas. Free images of Input Devices. Ipad Tablet Technology. Tablet Ipad Read. Keyboard Computer Keys.

An input device is a piece of hardware used to provide data to a computer used for interaction and control. It allows input of raw data to the computer for processing. GCSE Input Devices years An editable PowerPoint lesson presentation Editable revision handouts A glossary which covers the key terminologies of the module Topic mindmaps for visualising the key concepts Printable flashcards to help students engage active recall and confidence-based repetition A quiz with accompanying answer key to test knowledge and understanding of the module View GCSE Input Devices Resources. A-Level Input Devices years An editable PowerPoint lesson presentation Editable revision handouts A glossary which covers the key terminologies of the module Topic mindmaps for visualising the key concepts Printable flashcards to help students engage active recall and confidence-based repetition A quiz with accompanying answer key to test knowledge and understanding of the module View A-Level Input Devices Resources. Table of Contents hide.

Movement Time for Different Input Devices

The current study measured choice-movement time with three input devices commonly used in human-computer interaction tasks: response panel, computer mouse, and touch-screen. We also examined how direction of movement with the different input devices influences performance. Movement time was shorter when responses were made with the response panel than with the mouse and touch-screen. Furthermore, horizontal movement time was faster than vertical movement time, even when the size of the stimuli and distance to be moved were equal. Skip to main content Skip to sections. This service is more advanced with JavaScript available. Advertisement Hide.

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.

The computer processes the data and then produces. Introduction II. Input Devices a. Keyboard,mouse,joystick,scanners,digital camera, bar code reader, touch Sreeen,Speech input device microphone III.

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A computer has many components, each with their own roles and functions. A computer comprises of some basic elements.

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