Page 16 - DCAP105_WORKSHOP_ON_COMPUTER_HARDWARE_AND_NETWORK

Workshop on Computer Hardware and Network

Notes
!
Caution The image must be shone through a sealed tube or frame when passing through
the lenses to maintain focus.

Speakers

A hardware device connected to a computer’s sound card that outputs sounds generated by
the card.
Figure 1.11 : Speaker

Printer

Printers are used for producing output on paper. There are a large variety of printing devices
which can be classified according to the print quality and the printing speed.
Figure 1.12: Printer

There are many types of printers, which are classified based on various criteria as illustrated in
Figure 1.13.
Figure 1.13: Various Types of Printers

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