ComputerComputer Output Device: Printers A computer printer, or more commonly a printer, produces a hard copy (permanent human-readable text and/or graphics) of documents stored in electronic form, usually on…
ComputerComputer Input Device: Webcam Webcams are small cameras, whose images can be accessed using the World Wide Web, instant messaging, or a PC video conferencing application. The term webcam…
ComputerComputer Input Device: Digital Camera Digital camera is a camera that takes video or still photographs, or both, digitally by recording images on a light-sensitive sensor. Many compact digital still cameras…
ComputerComputer Input Device: Electronic Point of Sale Prime purpose of this lecture is to present on Computer Input Device: Electronic Point of Sale. Point of sale or point of service (POS or PoS) can…
ComputerComputer Input Device: Microphone Basic purpose of this lecture is to present on Computer Input Device: Microphone. A microphone, sometimes referred to as a mike or mic, is an acoustic to…
ComputerComputer Input Device: Optical Mark Reader Optical Mark Reader is a reader that detects marks in a certain position on a piece of paper. In this method, special printed forms are…
ComputerMagnetic Ink Character Reader General purpose of this lecture is to present on Magnetic Ink Character Reader. It is a technology used to verify the legitimacy or originality of paper documents,…
ManagementAdvantages and Disadvantages of Enterprise Resource Planning Enterprise Resource Planning advantages: Integration among different functional areas to ensure proper communication, productivity and efficiency; Design engineering; Order tracking, from acceptance through fulfillment. Tracking the three-way match between purchase…
ComputerOptical Character Recognition Optical Character Recognition or OCR is the process where images of letters can be entered into the computer as data using a scanner or other…
ComputerBar Code Readers The aim of this lecture is to present on Bar Code Readers. A barcode reader (or barcode scanner) is an electronic device for reading printed barcodes. Like…
ComputerComputer Input Device: Magnetic Stripe Card A magnetic stripe card is a type of card capable of storing data by modifying the magnetism of tiny iron-based magnetic particles on a band…
ComputerComputer Input Device: Graphic Tablets A graphics tablet or digitizing tablet, graphics pad, drawing tablet is a computer input device that allows one to hand-draw images and graphics, similar to…