SOFT-COPY OUTPUT DEVICES

These are the devices, which are used to produce a soft copy of the output. Soft-copy can be seen or heard i.e. it is the copy of a document inside the computer. When power is switched off this copy is vanished, so a soft copy of a document is of temporary nature.

SOFT-COPY OUTPUT DEVICES

Following is the list and brief detail of 
soft-copy output devices;

1. Monitor

2. Speaker

3. PC Projector etc

MONITOR:

Monitors can be defined as:
“It is a soft-copy, standard output device,
used to graphical type output”
It is widely in use and also known as Display Unit, Screen, Display Screen, Video Display Terminal (VDT), Video Display Unit (VDU), Screens, Cathode Ray Tube (CRT), Liquid Crystal Display (LCD), etc. There is a cathode ray tube installed in the monitors. Monitors vary in their quality of output called Resolution. The larger the number of pixels the finer is the resolution. The high resolution
monitors give extremely clear images that look almost like a photograph. Their sizes vary from 3 inches to 30 inches but 14”, 15”, 17”, and 21” are the standard sizes.

MONITOR

SPEAKER:

Speaker can be defined as:
“It is a soft-copy, standard output device,
which is used to give the output of sound type of data”
Speakers are known as the Voice Output Devices or Voice Response System. Like monitors, voice response systems provide a temporary, soft copy output.

Example:

Educational applications include "Speak & Spell" trainers.

SPEAKER

PC PROJECTOR:

Portable computers are rapidly replacing old-fashioned slide projectors and overhead projectors. A PC projector plugs into the computer‟s video output port and projects the video output onto an external surface. These small devices typically weightless than 3 kg and can display over 16 million colors at a resolution of up to 1024 x 1024 dpi (dots per inch). Some PC projectors can be converted from still-video (slides) mode to full-motion video mode, to display output from a VCR or DVD player.

PC PROJECTOR