Pointing devices, which are input devices used to specify a position in space, can further be classified according to: For pointing devices, direct input is almost necessarily absolute, but indirect input may be either absolute or relative. ( Log Out / It is a Computer Video Camera that is used for video chatting, Video Calls, sending E-mails to friends with full motion attachments etc. So that we can say in simple term, “A computer input device is a hardware component that is used to enter data and instruction into the … Thanks for this website. THANK YOU VERY MUCH. With direct input, the input space coincides with the display space, i.e. In my Last Post I have shared about the following. Job Recruitment Questions on Basic Computer Technology and Internet Part-1. Some graphic tablets also incorporate an LCD screen for a more realistic experience. HI Amadu Thanks………It is very well nd very important, i really loved this page it has helped me in my exams. Generally, it consists of a set of 17 keys that are laid out in the same configuration used by most adding machines and calculators. These images can be edited before they are printed. Thanks. Now computer screens are also being changed by inserting touch system because it is very easy to use than key pressing. i love it……………….. 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. Microphone is an input device to input sound that is then stored in a digital form. The images recorded on a digital camera are stored on memory cards, although some may have a limited amount of external memory of its own. I only knew 7 for the input and 3 for the output but this site gave me all I needed. Thank you sir for the great help. Digitizer is an input device which converts analog information into digital form. Thanks for making me get answer to my question on your site. Developed long before touchscreens became affordable, interactive whiteboards combine a large touch sensitive board with a projection screen. Thanx a lot !! Please clarify. It is also a pointing device. It is another computer input device having “Base” & “Stick” is known joystick. Simply it sends input to the computer when a user touches on the screen. Tnx 4dis site cose is very important 2 computer science STD. A QR code is a computer generated pattern capable of holding a modest amount of data. BCR stands for Bar Code Reader, it is an input device. This data is given to the computer by using particular devices named computer input devices. It has very similar to the conventional typewriter with about 101 keys. Headsets (Headset consists of Speakers and Microphone. 2D scanners perform the task of turning a 2D document or image into a digital file. bt there should be little description also becoz there r some devices which I don’t know !! The images are chosen to symbolise the command/option each key represents. So a user can edit it in Word Processor like MS Word. MICR input device is generally used in banks as there are large number of cheques to be processed every day. It is also an input device that is used by bank account holders; it is also known magnetic stripe reader. Moves the cursor faster than the arrow keys of the keyboard. Therefore this one is very popular device among children. This allows the location of the touch to be found. Traditional ‘overlay’ concept keyboards are now being replaced with virtual concept keyboards using touchscreens. 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. Thanks for this information, it is very helpful. In simple words, it is an alternative to the mouse. A pointing device is any human interface device that allows a user to input spatial data to a computer. tracking books and borrowers, Additional information can be easily retrieved from a database, Allows the use of automated stock control and sales reports, Related information (e.g. Bar coded data is generally used in labelling goods, numbering the books, etc. A mouse can be used to control the position of the cursor on the screen, but it cannot be used to enter text into the computer. Thank you for the valuable information. or send to this mail.plz I think if you read this article it can help you to success in your viva. Scanner is an input device, which works more like a photocopy machine. thanks a lot, this site helped me. Some printers have inbuilt flatbed scanners. Audio input devices allow a user to send audio info to a computer for processing, recording, or carrying out commands. thank very much for these information. Hi Isha Please is digital camera both input and output? The twelve function keys are present on the keyboard which are arranged in a row at the top of the keyboard. The function of the joystick is similar to that of a mouse. but ROM is see on motherboard or not? © Copyright 2020 Apnapedia.com. Digital cameras use an image sensor chip to capture the image, rather than the film used by a traditional camera. I got some good informetion from here. Wordpress CSS Customization, Web Development, Wordpress Tricks, Job Interview and Recruitment Guide. A Complete List of input, output and both input-output devices related to computer. You’re right Anisha, it also really helps me in answering my assignment. There are many examples of input devices, each with their own benefits and drawbacks. A graphic tablet as digitizer is used for fine works of drawing and image manipulation applications. it really helped me for my assignment. The trackball is very similar to the mouse but it has two click buttons & a ball that can circulate freely. Different kinds of products have lines of different thickness in a particular place. on a touch screen) or relative (e.g. Thank you . awesome……….. They come in two varieties, flatbed or handheld. Bar Code Reader is a device used for reading bar coded data (data in the form of light and dark lines). The arrangement of keys on the keyboard is known the layout. They act as the main text entry interface for most users. The layout of the keyboard is like that of traditional typewriter, although there are some additional keys provided for performing additional functions. Sensors detect where the screen has been touched by detecting a break in the infra-red beams. Embeded LCD tablets which are also referred to as graphics tablet monitor is the extension of digitizing graphics tablets. sir, thanks a lot for listing input and output devices. Data and instructions are given to the computer to perform a specific task that is called Input. There are three main types of touchscreen technology, all of which are outlined below. When the tip of a light pen is moved over the monitor screen and the pen button is pressed, its photocell sensing element detects the screen location and sends the corresponding signal to the CPU. 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. The lines in a barcode relate to numbers 0 to 9. but the information is so brief there can be more explanation as well.
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