6 Flashcards
Recorded in a tangible medium
Hardcopy
Temporarily displayed on the screen
Softcopy
Hardcopy output hardware
Printer
Plotter
Types of printer
Impact printer
Non-impact printer
It has contact with paper
Impact printer
Has no contact with the paper
Non-impact printer
Can produce high quality graphics
Plotter
Types of plotter
Pen plotter
Electrostatic plotter
Thermal plotter
Most popular type of plotter
Pen plotter
Electrostatic changes create tiny dots
Electrostatic plotter
Used to heat sensitive papers
Thermal plotter
Types od sotfcopy output hardware
Cathode ray tube (CRT)
Flat panel displays
Most popular softcopy output device
Cathode ray tube (CRT)
Used with portable computers
Flat panel displays
Facilitate the connection between computers
Communication hardware
Convert digital signal to analog signal
Modems
Commonly used in networking
Cable
Modem with fax capability installed as a circuit board in the motherboard
Fax modems
Combine low-speed transmission into high-speed transmission
Multiplexers
Collect data in a temporary storage area, then send it forward when enough has been accumulated
Concentrator
Conputer that handle communication for mainframe
Front-end processor
Categories of software
System software
Application software