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| Shaunit Nishant |
(01)Storage device:On which we store on called storage devices.
EX.:Harddisk,VCD,DVD,Pendrive etc.
(02)Input devices:-
(i)Keyboard:It is on input device through which we give input to
the computer by typing character numbers,Symbols etc.It key
be devided into following parts.
(a)Alpha numrric key:All characters(A
to Z) and number(0 to 9) Combinadly from Alpha number key.
(b)Fuction keys:There are twelve fuction key F1 to F12 in
a keyboard.We can a perform a particular work , by processing a particular
fuctin key.
(c)Special keys:There are some special keys in akeyboard.
(d)Symbols:All symbols such as > , < ,= , ’ , ’’ etc ere
including in this group.
(ii)Mouse:Mouse is an input device through which we give command
the computer by clicking. Graphical uses interface text is used in mouse to the
wanted icon or area by movement of mouse.
(03)Output devices:-
(i)Moniter:Moniter is an output device on which we can see the
output result on the screen It is also call VDU (Visual Display Unit).
Moniter 
CRD
LCD |
Color Black & White
(ii)Printer:Printer is on output device through which we can see
the output results.These are these
types of printer.
(a)Dot matrix
(b)Inkjet (c)Laser Printer.
(a)Dot matrix Printer:There is ahead and aribbon in this
Printer.This Printer prints using
dot.( BXÀF Printor ¸FZÔ Ribbon AüSX head WXû°FF W`XÜ
¹FWX Dot IYF CX´F¹Fû¦F
Printing ¸FZÔ IYSX°FF W`aÜ )
(b)Inkjet Printer:There are two heads in this printer.One is filled
with black ink and the second with colorink.It can Print graphics and text both
very fine .In Black & White and in color also,Printing speed and quality of
this printer is better than a Dot Matrix Printer.
(c)Laser Printer:It is the the best printer.In this printer Laser
becoms are used to to printer.It can also print in Black & Color.It is very
costly.
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