This document provides an overview of various computer hardware components and concepts. It discusses motherboards, CPUs, memory, storage devices, input/output devices, networking, power supplies, troubleshooting techniques, and more. Specific topics covered include different types of motherboards, CPUs, RAM, hard drives, printers, monitors, keyboards, mice, and other common computer parts. It also explains concepts like digital vs analog electronics, binary numbering systems, and computer troubleshooting procedures.
4. WE CAN REPAIR LOOK & TOUCH IT IS CALLED
COMPUTER HARDWARE..
COMPULSARY DEVICE OF COMPUTER ..
MONITOR
KEY BOARD
MOUSE
HDD
RAM
CPU
MOTHER BOARD
DVD (R/W)
CABINET WITH SMPS
5. FREQUENCY = IT IS A MEDIUM OF WAVE THAT
MEDIA CAN PASS..
EXAMPLE=
MB =1033
CPU= 733
RAM=533
6. PRINTER
MODEM
WIFI
SPEAKAR
LAN CARD
USB
BLUE TOOTH
JOY STICK
TRACK BALL
AIR FHONE
7. It is a controller device all device connected to
the mother board And mother board is control
this device. it is also called main board.
Types of mother board Base of technology :-
> 1. Non Integrated mother board.
> 2. Integrated mother board.
8.
9. Is not given on board
facilities it is used AT power
supply (12pin) it’s mother
board series –
8080,8088,80286, if u want
connect any device to the
mother board than used to
card (
Lan/card/soundcard.)
10. It have given on board
facilities it is used ATX
power supply ( 20/24/28
) It mother board series.
18. 10. HDMI Port ( high definition
multimedia interface )
19. 12. IDE Port ( integrated device
electronics) pate parrellel
20.
21.
22.
23. IT IS A PROCESSING DEVICE WITH THE HELP OF
CPU WE CAN CALCULATE ANY DOCUMENT
IMAGE INSTRUCTION AND DATA.
ITS SAFE IS SMALL SO IT IS ALSO CALLED
MICRO PROCESSOR.
24. TYPES OF CPU
1. NORMAL CPU
2. HYPER CPU
3. MOBILE CPU
4. CENTRINO CPU
5. QUAD CORE CPU
6. DUAL CORE CPU
7. CORE 2 DUE CPU
8. CORE i3 CPU
9. CORE i5 CPU
10. CORE i7 CPU
30. It is also known as cache RAM it have two types Internal cache
ram & External cache RAM . Internal cache RAM is inbuilt in CPU
(L1,L2) & External cache RAM is inbuilt in Motherboard (L3). It is
used to store a data in temporary format .
31. SD RAM
[SYNCRONUS DYNAMIC]
It have 168 pins on 168 pin DIMM slot
Its capacity is 64mb,128mb,512mb
It has 2 cuts and it have pins between cuts
32. [RAMBUS DYNAMIC]
It have 184 pins on 184 pin RIMM
slot
Its capacity is 64mb,128mb,512mb
It has 2 cuts and it doesn't have pins
between cuts
33.
34.
35. It have 240 pins on 240 pin DIMM slot
Its capacity is 1GB,2GB,4GB
It has 1cut
it’s operating volt is 1.5v
FSB=1000 to 2000 MHz
it have small ball IC
36. It have 200 pins on 200 pin
SODIMM slot
Its capacity is 1GB,2GB,4GB
It has 1cut
it is use in laptop
FSB=1000 to 2000 MHz
it have small ball IC
37. STORAGE DEVICE
HDD
IDE HDD
SATA HDD
SCSI HDD
USB HDD
FDD (floppy disk drive)
CD Rom (Compact Disk)
38. Types of HDD
IDE HDD ( Integrated
device electronics )
4 pin – power
connector
8 pin jumper
40 pin – Data
connector
43. it is used to storage a data in permanent format time do not use thee FDD
because its capacity a little.
Type of FDD base of size
3 ½ inch
5 ¼ inch
Type of FDD base of capacity
360 kb
720 kb
1.2 MB
1.44 MB
2.88 MB
44. CD Rom it is used to input and output of any data with the help of
CD/DVD
CD ROM it is used to
input and output of
any data with the
help of CD/DVD
45. Type of CD Rom
IDE CD Rom
SATA CD Rom
SCSI CD Rom
USB CD Rom
46. Type of CD Rom
base of writing
CD ROM( CD read
only )
CD RW( CD read
write )
DVD ROM ( CD r/w
DVD read)
DVD RW(CD/DVD–
read
DVD RW ( CD/DVD -
read /write)
55. PRINTER :- PRINTER IS A OUTPUT DEVICE IT IS
PROVIDE ANY DOCUMENT ANY DOCUMENT DATA
AND IMAGE HARD COPY IT IS USE COUNTINIOUS
PAPER SHEET AND PLAIN PAPER..
57. THIS TYPES OF PRINTER HAVE DIRECT
RELATION SHEEP BETWEEN PRINT MEDIA PAPER
(HEAD)
PRINT QUALITY IS COUNT IN (DPI) IT IS USE
MAXIMUM COUNTENEUSE PAPER SHEET..
TYPES OF IMPACT PRINTER
1.DMP {DOT MATRIX PRINTER}
2.DAISY WHEEL
3.LINE PRINTER
58. THIS TYPES OF PRINTETR HAVE NOT DIRECT
RELATION SHEEP BETWEEN PRINT MEDIA AND
PAPER ITS PRINT QUALITY IS CAUNT PPM (PAGE
PER MINUTE)IT IS USE MAXIMUM PLAIN PAPER..
TYPES OF NON IMPACT PRINTER
INKJET (DESKJET)
LASER PRINTER
59. HARD COPY SOFT COPY
LOOK FEEL AND
TOUCH
SLOW
FAX SEND (VIA FAX
MACHINE)
IT IS PROVIDE
PRINTER
VIRUS PROTECTED
LOOK AND FEEL
FAST
EMAIL SEND
IT IS PROVIDE
MONITER
VIRUS INFECTED
60. IT IS A IMPACT PRINTER IT IS USE CANTINIOUS
PAPER SHEET ITS PRINT QUALITY IS CAUNT DPI
(DOT PER INCH)
IT HAVE TWO SECTION
MACHINICAL AND ELECTRICAL
61. RIBBEN
HEAD
PAPER ROLLER
MOTAR
SENSAR
TRANCTAR
BELT ROD
THERE ARE TWO TYPES OF HEAD..
9PIN
24 PIN
62. IT IS A NON IMPACT PRINTER IT IS USED PLAIN
PAPER ITS QUALITY IS CAUNT PPMN IT HAVE
TWO SECTION MECHENICAL AND ELECTICAL ITS
MAIN PART PAPER TRAY
ENCODER STRIP,SEPERATION PAD,PAPER FEED
MOTER,PAPER ROLLER,PAWER CARD
&CONTROLLER CARD
65. it is used to
provide power
supply in ATX
motherboard it
have 20 pin its
motherboard
series p3 , and p4
66. 3.BTX SMPS
it is used to
provide power
supply in ATX
motherboard it
have 24 pin its
motherboard .
67. 4.WTX SMPS
it is used to
provide power
supply in ATX
motherboard it
have 20+4+4 pin
its motherboard
series p4
68. COLOUR
BLACK
ORANGE
RED
WHITE
YELLOW
BLUE
GREEN
GRAY
VOILET
VOLTAGE
0V.(GND)
+3.3V
+5V.
-5V.
+12V.
-12V
+5V.PS ON(POWER
SUPPLY ON)
+5V.PG(POWER GOOD)
+5V.SB(STAND BY)
69. POWER DEVICE
UNINTRAPTED POWER SUPPLY
UPS
It is used to non stop
given power supply and
its backup is 15-18
minat with the help of
ups we can save
hardware and software
its mean part battery
(12v 7.5A) auto
transformer and
charging circuit.
70. TYPES OF UPS
1. OFF LINE UPS
Ac-on-charging
process ac-cUt
off-backup
provide
71. 2.ON LINE UPS
Ac-on –charging
process /backup
provide ac cUt off –
backup provide
continoue backup
provide.
72. 3.LINE INTRACTIVE UPS
Ac –on –low(180v)
and high
(240v)=220v fix ac
–on- charging
/backup ac cut off
–backup provide .
83. To Check the AC output power socket (220V)
To Check the power cable
To Check SMPS output supply (DC)
TO check mother board
84. To Check the self testing of monitor
To Check the VGA cable
To Check the RAM- continue beep
To Check the CPU- AlterNet beep
To Check the mother board
85. To Check the earthling wire
To Check the SMPS output supply
To Check the CPU fan loose connection and CPU
over hit
To Check the mother board
To Check the virus
To Check the restart key
To Check the operating system
86. To Check the hardware configurations
To Check the virus
To Check the OS multitasking