I’m trying to see which devices are available And ffmpeg correctly tells you: No input devices. Data and instructions are given to the computer to perform a specific task that is called Input. ( Log Out / ( Log Out / It is a stick having a spherical ball at its both lower and upper ends. All Rights Reserved, What are Input Devices of Computer? Thank you so much its really helpful 4 students,,,,,. The trackball is very similar to the mouse but it has two click buttons & a ball that can circulate freely. This site has helped me a lot….thanks, It is very good device but we are forgetting about our job, that was some pretty nice info about I/O devices but i want this website to include maths here, I really like this site because it has helped me to do my researches here that is a nice site keep on bringing new thimgs, my appreciation to this wonderful and computer wizards the really thought it fit and sees that you guys render services to the world especially me. Microphones play an important role in speech recognition, a technology that is gaining in popularity and usage. This allows users to select options from a screen by simply touching them. Thanks man . Scanning can be achieved either by using lasers, light, radio waves or x-rays. So a user controls the mouse pointer on the screen by moving the ball & performs click functions by pressing buttons just like a mouse. HI Amadu Are they not the same thing? Can you please include the uses and the functions of these devices,that you have listed. It is Storage device…not input nor output, Yes indeed that Floppy disk isa storage but it is an input device. thank u very much you have really help me to gain more ideas about my school work, I so much love this website… But still add more output and input devices we have…, Nice post you wrote about pc thanks brother, Thanks for giving me such a valueable points about conputers. I really like it you have QR codes often store simple data such as a URL address, contact information, calendar entries and product details (in factories and warehouses etc). that’s great way to know. It includes four directional arrow keys. Bundle of thanks you gave me such a good information, this is a lot of info for me, thank you so much , Information was very precise, concise and useful. It consists of a photocell and an optical system placed in a small tube. Some graphic tablets also incorporate an LCD screen for a more realistic experience. They are split into two categories - manual input devices and automatic input devices. When your finger (or stylus) touches the screen, the current changes. I would like to thank this site.I got some information from here. The devices listed here are great but the output devices are too little. I think if you read this article it can help you to success in your viva. Changing the data alters the pattern, so not suitable for information that changes regularly, e.g. Waow i got all the information here for my students. Examples of input devices include keyboards, mouse, scanners, cameras, joysticks, and microphones. Traditional ‘overlay’ concept keyboards are now being replaced with virtual concept keyboards using touchscreens. In personal computers, a webcam is attached via USB but so many laptops & Mobiles have a built-in webcam. easy input of data and selection of apps/icons, Ticket / Information kiosks, e.g. I was rescued this morning by this site. The microphone is used for various applications such as adding sound to a multimedia presentation or for mixing music. Keyboards are of two sizes 84 keys or 101/102 keys, but now keyboards with 104 keys or 108 keys are also available for Windows and Internet. There are five main types of components: (1) microprocessors, (2) memory chips, (3) input devices, (4) storage devices, and (5) output devices. It is a very famous cursor-control device having a small palm size box with a round ball at its base, which senses the movement of the mouse and sends corresponding signals to the CPU when the mouse buttons are pressed. This is the unprocessed form of data because it does not specify something clearly. Microphone is an input device to input sound that is then stored in a digital form. It converts hard copy into soft copy. First, nice job. bt there should be little description also becoz there r some devices which I don’t know !! It is also a pointing device. These images can be edited before they are printed. I just did my project. It is used for drawing maps, pictures & also has no alphabetic keys. Thanks a lot! The lines in a barcode relate to numbers 0 to 9. Light pen is a pointing device similar to a pen. Magnetic Ink Card Reader (MICR) MICR input device is generally used in banks as there are large number of cheques to be processed every day. Please is digital camera both input and output? Thanks for making me get answer to my question on your site. They act as the main text entry interface for most users. Speaker act Output Device and Microphone act as Input device, Facsimile (FAX) (It has scanner to scan the document and also have printer to Print the document). They can be used by the computer to create a picture of whatever the camera had been pointed at. Input Devices: Graphics Tablets Video […] Job Interview Questions on basic Computer Technology and Internet Part-2. OCR is an input device used to read a printed text. Hi Isha Thanks so much for the information provided. A Complete List of input, output and both input-output devices related to computer. Year in Search 2019 - Bangladesh thanks a lot, this site helped me. Microphone is an input device to input sound that is then stored in a digital form. Devices such as microphones allow users to speak to the computer in order to record a voice message or navigate software. Input Devices . An input device is a piece of hardware that is used to enter data into a computer. prices. Input devices can be categorized based on: 'Keyboard' is a human interface device which is represented as a layout of buttons. Since the whole device is not moved, a track ball requires less space than a mouse. It is another computer input device having “Base” & “Stick” is known joystick. please Said to me. We are going to discuss the most commonly used input devices. Audio input devices allow a user to send audio info to a computer for processing, recording, or carrying out commands. i hv got a lots of information from.this site, i am realy glad to acheived this site, They are also handy for people with limited hand motor skills as they are less demanding then a mouse. Examples of types of a video input devices include: Audio input devices are used to capture sound. Thanks. plz also upload ‘computer use in economics’ It is very similar to the wheel mouse but the difference is that it emits a laser beam of light to get through mouse pad instead of rolling ball, remaining other functions are same like wheel mouse. I am Asghar Ali Khan from Islamabad(Pakistan)' I want to always something new ' I want to get more and more sincere people over social media, Network marketing is my best field, I write SEO articles marketing content & also rank up to Google. Track ball is an input device that is mostly used in notebook or laptop computer, instead of a mouse. Input devices, such as buttons and joysticks, can be combined on a single physical device that could be thought of as a composite device. These pictures can be transferred to the computer as it can be connected to a computer through USB very easily. Some people prefer using a trackball over a mouse as they believe it gives them a finer degree of control over the pointer. Hi Ricardo, On Fri, Jun 19, 2015 at 18:52:02 -0700, Ricardo Kleemann wrote: > And tried the command -devices and I don’t understand the output. I GOT LOTS OF INFORMATION FROM THIS SITE FOR MY STUDIES. It is used when some information is available on paper and it is to be transferred to the hard disk of the computer for further manipulation. So a user can use the scanned document for printing, uploading or to send via mail. i would like to thank this site. It provides beautiful functions & facilities to control video games around the screen. We often see a smartphone used as the scanning device although this doesn’t have to be the case.
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