VIEWS: 17 PAGES: 18 POSTED ON: 5/22/2012
Input Devices Qwerty Keyboard Application • Word Processing Pointing Devices – The Mouse Application • WIMP (windows, icons, menus & pointer) environment Pointing Device - Trackball Application • WIMP (windows, icons, menus & pointer) environment Pointing Device – Track Point Application • WIMP (windows, icons, menus & pointer) environment Pointing Devices – Touch Pad Application • WIMP (windows, icons, menus & pointer) environment. Found on laptops Pointing Device - Light Pen Application •Computer Assisted Drawing Pointing Device – Touch Screen Application •Menu Selection in Restaurants •Internet Telephone Booths Graphics Tablet Application • CAD Input. This enables you to draw freehand into the computer Image Scanner Application • Desktop Publishing. To copy photographs, pictures, text from books / magazines, into the computer. Digital Camera Application •Take photographs which can be fed directly into the computer. These can be edited and sent by mail or printed Barcode Reader Application • POS (Point of Sale) such as supermarkets to scan in bar codes. OMR – Optical Mark Reader Application • Multiple Choice Questions • Surveys • Lotto Offices MICR – Magnetic Ink Character Recognition Application • Cheque Processing. The ink is magnetised before reading. Very reliable so used on cheques. OCR – Optical Character Recognition Application •This reads photocopied text and converts in to normal text which can be edited. Most home scanners can do this Handwriting Recognition Application • Reads your writing and turns it into print. Pen Computing Application • Selecting fast and easily from screen CONCLUSION So as you have see NOWADAYS there are MANY TYPE of INPUT DEVICES used. All INPUT DEVICES have the same purpose – TO INPUT DATA into a computer system So DIFFERENT APPLICATION require APPROPIATE INPUT DEVICES.
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