Input And Output Devices
What is Input devices.
What is input and output device.
Input devices — Input devices are used to enter raw data and digital information into the computer. Where any input device refers to entering raw data and information into the computer. Here you get a variety of input device designs to enter information into multiple computers. Sometimes we think that if an input device is not connected to the computer. then we can insert, edit, cut, copy, paste, edit, cut, copy, paste the required data and information in the computer, control dialog controls, windows, applications, Entering information is never possible. Therefore, input devices play an important role in entering data into computer storage media and recording or storing digital information for the user’s needs.
Example of input Device.
Keyboard — The keyboard is a popular essential input device similar to a typewriter. Which is definitely connected inbuilt to every laptop, desktop, notebook, client, server, computer. Where, unlike a typewriter, the keyboard writes text on all-printed paper, but a typewriter cannot change or return text, edit or modify written information, as compared to a keyboard. But on a computer, you can quickly replace the unnecessary text deleted with the help of a keyboard. Where every computer must have a keyboard used for creating a document, letters, numerical calculations, inputting text information. Where the keyboard is connected to the computer can be a com port, a PS/2 port, a USB port, or a Bluetooth, wireless, port. Where the keyboard allows you to manage editing customization in written text with assistive application software. Even the keyboard is the most commonly used device as an input device for entering numeric, alphabet, text, passwords, symbols, and other similar operations. Remember, here it is not possible in a computer to create text-based information and text without using a keyboard device.
Mouse — Mouse is a very essential input device used as an input pointing device. It allows you to control mouse device windows application dialog, select controls, process input, drag and drop windows, follow windows wizard. Where you can select any of the dialog controls, and apply them, choose between multiple tabs, on-off controls, and more than your basic need. Where today’s mouse can be connected to ps/2 or usb, bluetooth, or wireless ports. It could even be a wireless port, no matter what kind of mouse pointing device you attach or install on the current machine. But where each installed mouse device has a definite function and role when dealing with computer applications and their controls.
Webcam — Webcam is a popular input device. Which captures live streaming video and pictures. Where a video camera is used as an input device on a computer. A webcam device is used when conducting online chatting, video chatting, online meetings, or video conferences. Where the webcam previews your video, and shows a picture of a client sitting on the other side just as you would see a video of an individual sitting on the other side of the network. Even we can discuss any topic with a live webcam, or solve any question online on a small global scale with a video conferencing device. Where many of today’s websites offer an online video chat program. You can even connect directly to any online social community website, here you can be a member of Facebook, Twitter, link din, whatsapp, skype, wechat, or other online websites. Where the webcam is connected to a computer, laptop, notebook via USB port, even a built-in laptop, notebook, or ultrabook. Today’s webcam captures live pictures, records streaming video, and transfers video, etc. Even the webcam records voice video by attaching the microphone to the device during an online conversation.
Digital Camera — Digital Camera takes all types of live pictures used by photographers to take photos of any Picnic, Birthday, Wedding Ceremony, Any Background, Ceremony Occasion. With a digital camera, you record your important moments in your picnic tour. Use a digital camera to take a picture with a video recording feature to record live picture video. Digital cameras are used as input devices in computers. Where video is recorded, and edited easily with video editing software. Where it is used to connect the digital camera with PC via USB port or card reader to read digital camera flashcards. Even we can use digital camera pictures to share photos among friends, relatives, and colleagues. Through the computer, we can print digital camera picture edited pictures, edit new pictures, videos and many effects and much more you can do with recorded videos or pictures with video editing software.
Scanner — Use the scanner to scan any image, picnic photo, wedding image, photo, newspaper article, film pose, background, letter, any document text, content, and other text graphics-based, input information is the device used as the device. Where you can edit and modify the content of the scanned document information at any time with the relevant application software. Even the scanner converts any text graphics to the computer (digital format) instantly. Here you can send e-mail upload scan content to the world wide web via connected internet broadband network services. Now you can also use the scanner with supported technology to identify, authenticate, scan anyone.
Scanner type.
Touch Screen — A touch screen is a device used as an input device. Which enables you to touch menus, controls, options directly with a human finger. Where you select any option with your finger or touch pen. Where you can select any command option directly, and process it instantly from the touch-sensitive interface. Nowadays all modern tablets, smartphones, cellphones, touch laptops, notebooks, photocopier machines, medical touch gadgets, and other devices follow touch screen technology. Where it uses the finger of the human hand or a touch pen device for its operation and touch device sensitive control for its operation and control.
Light pen — Light pen is an input device. Which enables you to type text, select menus, option control dialogs, and perform Windows operations without a keyboard or mouse. Where the light pen is the same as any other pointing device. It even uses the pointer to point to any object and material on the touch screen device. Where any light pen is connected to the computer via PS/2 or USB port. You hold the connected light pen, the light pen in the finger of your hand. Now you can directly type or control any text select screen window and operation. Even the Light pen displays like a similar normal pen. But any LCD uses a light-sensitive method for operation.
Micr — abbreviated as micr (Magnetic Ink Character Recognition) technology. where it is an input device. Which is used to read a particular pattern of characters, symbols, numbers, etc. When micr reads a document, the micr device used by the bank is used to check the special character printed on the cheque. It even checks the authenticity of the particular probe. It reads the document ink, and translates it as magnetic information. Where MICR uses special ink to read information from cheques, documents, and other similar document authentication.
OMR — abbreviated as OMR (Optical Mark Reader) is used for checking objective-type question answer sheets. Where it is most of today’s exam online students fill in the answer with a black pencil or black pen. Where the OMR device reads In Fill Rounded Circle. Where square shadow, as well as a check answer sheet, is read by OMR scanner. OMR device checks thousands of answer sheets in less time as compared to manual handwork. Because the answer key is already filled in the OMR machine. When some OMR sheet is inserted in the OMR sheet for scan. So its system automatically checks the correct/false fill circle values and information and gives the result according to its filling answer.
Video capture device.
Bar Code Reader — Bar code reader is a special type of scanning input device. It is handheld device, which focuses the products on the printed bar. Where Bar Code scans or captures bar code information on newly purchased products or items. Where each time code scanner converts the bar code into a number or letter format. And the current bar code reader describes the digital specification information about the scanning device and its information when the user needs it.
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