3.1+Hardware

3.1 Hardware

//**The computer system **//

  
 * Types of computers: personal digital assistant (PDA), laptop, desktop computer
 * MAC address
 * Motherboard
 * Central processing unit (CPU), microprocessor, clock speed: for example, megahertz (MHz), gigahertz (GHz), terahertz (THz)
 * Primary storage: read-only memory (ROM), random-access memory (RAM)
 * Secondary storage: optical, magnetic, flash memory: for example, USB (universal serial bus) flash drive


 * Bit, byte, kilobyte (KB), megabyte (MB), gigabyte (GB), terabyte (TB), petabyte (PB), exabyte (EB), zettabyte (ZB), yottabyte (YB)

 //**Input and output devices **//
 * Character encoding: ASCII (Unicode and American Standard Code for Information Interchange)
 * Ports
 * <span style="font-family: 'arial','sans-serif'; font-size: 13px;">RUSTEEN: Keyboards, mice, touch pads
 * <span style="font-family: 'arial','sans-serif'; font-size: 13px;">RAHEEL & CHIRAG: Optical mark recognition (OMR), optical character recognition (OCR), magnetic ink character recognition (MICR)

<span style="font-family: 'arial','sans-serif'; font-size: 13px;">radio frequency identification (RFID), radio tag, bar code scanners, magnetic stripe readers
 * <span style="font-family: 'arial','sans-serif'; font-size: 13px;">DANIEL: Microphones
 * <span style="font-family: 'arial','sans-serif'; font-size: 13px;">DANIEL: Smart card readers
 * <span style="font-family: 'arial','sans-serif'; font-size: 13px;">GUY: Webcams, digital cameras, digital video cameras
 * <span style="font-family: 'arial','sans-serif'; font-size: 13px;">FINLAY: Sensors, probes, real-time data collection
 * <span style="font-family: 'arial','sans-serif'; font-size: 13px;">ISSAC: Composite devices: for example, game controllers
 * <span style="font-family: 'arial','sans-serif'; font-size: 13px;">RUSTEIN: Touch-sensitive devices: for example, pads
 * <span style="font-family: 'arial','sans-serif'; font-size: 13px;">DANIEL: Printers, monitors, speakers, projectors
 * GUY: <span style="font-family: 'arial','sans-serif'; font-size: 13px;">CD-ROM (compact disc read-only memory), DVD (digital versatile/video disk) readers and burners

<span style="font-family: 'arial','sans-serif'; font-size: 13px;">Exam Questions... <span style="font-family: 'arial','sans-serif'; font-size: 13px;">