components of a computer system jump to hardware
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Components of a
Computer System
Jump to Hardware
Components of a Computer System
Input Devices Key Board
Function KeysNumeric
Key Pad
Wired And Wire less Key Board Available
Touch Screen
Components of a Computer System
Input Devices Mouse
X
Y
Components of a Computer System
Input Devices Tracker Ball Touch pad
Components of a Computer System
Input Devices Micro phone Digital Camera
Video Conference
Components of a Computer System
Input Devices Scanner
OCR (Optical Character Recognition)
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Components of a Computer System
Input Devices Finger Print Reader
Components of a Computer System
Input Devices Magnetic Ink Character Recognition (MICR)
Components of a Computer System
Input Devices Environment Sensors
Components of a Computer System
Output Devices Cathode Ray Tube (CRT Monitors)
Components of a Computer System
Output Devices Liquid Crystal Display (LCD Monitors)
Less Space
Low Power consumption
Brightness images
No Flickers or Distortion
Expensive
Limited View angles
Components of a Computer System
Output Devices Printers
Dot Matrix
Ink Jet
Laser
Components of a Computer System
Output Devices Speakers Head phones
Components of a Computer System
Device Drivers Software CDs provided with Devices
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Components of a Computer SystemSoftware
Computer
Hardware
Can be seen & touch
Software
Instructions given to computer
Liveware
People who work with computers
Components of a Computer SystemSoftware Software
Operating SoftwareControls all the part of computer & lays between Hardware and Application Software
Wo
rd p
rocessin
g
Application Software
System Software
Utility programsEnhance the capability of an O/S
Sp
read S
heet
Data B
ase Man
agem
ent
Presen
tation
Deskto
p p
ub
lishin
g &
G
raph
ic Desig
n
Web
Desig
n &
D
evelop
men
t
Components of a Computer System
Graphical User Interface (GUI) & Command Line Interface (CLI)
All the commands should be given by text
commands can be given by clicking
Components of a Computer System
Function of Operating System
Hardware Application software
Operating System
(Works as a Bridge)
I am Typing a Letter using MS word
As Windows XP bring me to the Desktop
Components of a Computer System
Booting the ComputerPOST – Power On Self Test
CMOS Setup –
BIOS – Basic Input Output System
Boot Strap Loader
2008.10.25
08.25 AM
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