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PC Repair _ Maintenance

VIEWS: 5 PAGES: 4

									                                      PC Repair & Maintenance
                                     Final Exam Review Outline
                                             Fall, 2003

Chapter 1

       Parts of the computer (use slide show)

       Connectors

                DB

                DIN

                RJ

                Centronics

                BNC

                Audio

                USB

       Jumpers and Switches

Chapter 2

       External Data Bus

       Registers

       Clock

       Address Bus

       Types of Processors

       IRQ’s

Chapter 3

       SRAM vs DRAM

       30-pin, 72 pin, 168 pin

       parity

       4x32 (what does that mean) / banks

       FLASH ROM
Chapter 4

       BIOS vs CMOS

       POST – what happens and why

Chapter 5

       ISA (8 and 16 bit)

       MCA

       EISA

       PCI

       AGP

Chapter 6

       How power supplies work (voltages supplied to various parts of the PC)

       AC vs DC

       Outlets

       Volts, amps, ohms

       molex, mini-molex

       How power supplies die and what to do

       ESD

       UPS

       Soft power

       AT vs ATX connectors

Chapter 7

       Floppy connectors

       How/what to check if disks don’t read

Chapter 8

       Cylinders, platters, head, sectors

       Types of cables needed

       Partitions (how, why, how many allowed)
       Slave/master

       Primary/secondary

Chapter 13

       SCSI IDs

       Termination of the chain

       SCSI types

       SCSI vs EIDE hard drives

Chapter 14

       How CD’s work

       CD-ROM, CD-R, CD-RW

       Speed factors (how they work)

       ATAPI

Chapter 15

       WAV vs MIDI

       What sound cards really do

       Connectors

Chapter 16

       Monitor types/measurements

       Resolution

       Pixels/dots

       Dangers with monitors

       AGP

       Common problems with CRT’s
Chapter 17

       Baud rate

       UART

       Synchronous vs Asynchronous

       Hardware handshake

       Error detection/parity

       Modem commands

       Common modem problems

       Internal vs external

Chapter 18

       Battery types for laptops

       PC card types

       APM

Chapter 19

       Impact vs non-impact (types)

       Printing process

       Common printer problems

Chapter 20

       Hardware needed for networks (switches, hubs, etc.)

       Topologies

       Protocols

       Network types (client-server vs peer-to-peer)

       Gateway

       DNS

       FTP

       IP

								
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