Computer Interfacing

Learn some characteristics of an Embedded system. Single functioned – Perform specialized operation and does the same task repeatedly. Tightly constrained – It must be of a size to fit …

An embedded system is a combination of computer hardware and software that is designed for a specific functions within a larger system. Example: A fire alarm. A fire alarm will …

A system is an arrangement of some working units to work together according to a set of rules. Example: A watch is a time displaying system. All of its components …

Generally there are two types of Barcodes – Linear barcode 2D barcode. And Four types of Barcode readers. Pen Barcode reader : consists of LED light and a photodiode in …

Learn the uses of barcode. To track assets in any building including every computerized systems. To track mail from the time it arrives in the mail room. To help security …

A Barcode reader is an electronic device for reading printed barcodes. A Barcode reader consists of – A light source. A lens and a light sensor. Decoder circuit. How Barcode …

Barcode uses a sequence of vertical bars and spaces to represent numbers and other symbols. It is typically consists of 5 parts – A quiet zone. A start character. Data …

Barcode is an small image of some vertical lines and spaces that is an optical machine readable representation of data and shows data about the object to which it attaches. …

Parallel port is a parallel computer interface to connect an external device. Example: Printer with a computer. EPP (Enhanced Parallel Port) or ECP (Extended Capabilities Port) etc are parallel ports. …

Learn ISA Bus vs PCI Bus. Type/topic ISA Bus PCI Bus Bus Width 16 bits 64 bits Bus speed 8 MHz 33 MHz MB/sec 16 MB/sec 1 GBps Advantages Low …