Input & Output Hardware Chapter 6 Taking Charge of Computing and Communications
Input Hardware Keyboards Mouses and other pointing devices Source Data Entry Input Devices
Keyboards You already know about these. Any Questions?
Mouses (Mice) Etc. Mouse Trackball Pointing Stick (pencil eraser on laptop) Touchpad (normally laptop) Joystick & other game controllers Light pen Digitizing tablet
Source Data Entry Scanning Devices – Bar Code Readers – Mark Recognition OMR (Tests) MICR – Optical Character Recognition Fax
Source Data Entry (cont) Imaging Systems – Scanner Flatbed Sheetfed Handheld Audio Input Video Input including Digital Camera
Esoteric Source Data Entry Sensors Radio Frequency GPS Voice Recognition
Output Hardware “Softcopy” vs. Hardcopy
Display Devices CRT’s Flat Panel Display Display controller Cards
Characteristics of Display systems Clarity – Resolution – Dot pitch – Refresh rate – Color Depth Monochrome vs Color
Hardcopy Output Devices Impact Printers – Dot-matrix – Character printers Non-Impact printers – Laser – Inkjet – Thermal Black & White vs. Color
Other Hard Copy Devices Plotters Multifunction Printers COM (computer output Microfilm)
Other Output Devices Sound VR
Combination Devices for both Input and Output Terminal – Dumb – Intelligent – POS Touch Screen
Cards Magnetic stripe Smart Cards Optical Cards