Module 2 - Lesson 2: Output Devices Flashcards
These devices translate
information processed by the computer into a form that humans can
understand.
Output Devices
Output can be?
Hardcopy and Softcopy
Displays images or shows
programming instructions and data
Display Screens
Display screens displays images or shows programming instructions and data using grids of dots called ______
Pixels
Display Screens are also called?
Monitors
What are the two-types of Monitors
Cathode-ray Tubes (CRT) and Flat-panel Display
Uses a vacuum tube like that in television
Cathode-ray Tube (CRT)
Displays that are much thinner,
weigh less, and consume less power
Flat-panel Display
Three cathegories of Flat-panel Displays:
Liquid-crystal display (LCD), Electroluminescent (EL), and Gas-plasma Display
Screen clarity depends on three qualities:
Resolution, Dot pitch, and Refresh rate
A display screen must have a video display adapter called a
_______________ to display graphics
Graphics Adapter Card(Video Card)
Ss a circuit board in the computer where the resolution is determined, including
the number of colors and how fast images refresh on the display screen.
Graphics Adapter Card (Video Card)
A device that prints the characters and the symbols from the computer unto the
paper
Printer
Printers could either be _____ and ______
Impact or Non-impact
An image produced is
formed by physical contact on the print mechanism
Impact Printer
Image is produced with out physical contact by the print mechanism
Non-impact Printer
Commonly used type of Impact Printer
Dot-matrix
Commonly used Non-Impact Printer
Inkjet, Laser printers, Thermal Printers
High-quality drawings, such as tarpaulins, are produced by a machine called?
Plotter
Plotters come in three designs:
Pen, Electrostatic, and Thermal
Produce sound output from the computer
Speakers
One form of a speaker
which you can use individually is the?
Headphones
Is a newer version of a telephone with a TV-like
screen and a built-in camera that allows you to see the person you are exchanging messages directly on the screen (web-cam). You usually use it for video conferencing or teleconferencing.
Smartphone or Picture phone
The combination of printing, scanning, copying, and faxing into a single device is called a?
Multifunction Device
Is a computer-generated simulated reality that indulges a
person into a sensation of three-dimensional space. It can recreate physical places and phenomena real to people
Virtual Reality
Are automatic devices that perform functions ordinarily ascribed to human beings or that operate with what appears to be almost human intelligence
Robots
Is a computer science field that attempts to develop a machine that can work like humans or perform activities that humans usually do.
Robotics
