narrative
TRANSCRIPT
OV 1 - 1Copyright © 2007 Element K Content LLC. All rights reserved.
Personal Computer Components
Personal Computer Components System Unit Components Storage Devices Personal Computer Connection Methods
OV 1 - 2Copyright © 2007 Element K Content LLC. All rights reserved.
A Typical Personal Computer
System unitSystem unit Display deviceDisplay device
External deviceExternal deviceExternal deviceExternal device
Input devicesInput devices
OV 1 - 3Copyright © 2007 Element K Content LLC. All rights reserved.
A System Unit
ChassisChassis
Cooling deviceCooling device
Microprocessor (under cooling device)
Microprocessor (under cooling device)
Memory chipsMemory chips
Power SupplyPower Supply
PortsPorts
Adapter CardAdapter Card
Disk drivesDisk drives
OV 1 - 4Copyright © 2007 Element K Content LLC. All rights reserved.
A Display Device
OV 1 - 5Copyright © 2007 Element K Content LLC. All rights reserved.
An Input Device
OV 1 - 6Copyright © 2007 Element K Content LLC. All rights reserved.
External Devices
Microphone Digital camera Scanner Speakers Printer Network device External drive
OV 1 - 7Copyright © 2007 Element K Content LLC. All rights reserved.
A System Board
Expansion slotsExpansion slots
AGP slotAGP slot PortsPorts
CPUCPU
RAM slotsRAM slots
Drive interfacesDrive interfaces
OV 1 - 8Copyright © 2007 Element K Content LLC. All rights reserved.
CPUs
OV 1 - 9Copyright © 2007 Element K Content LLC. All rights reserved.
A Sample Memory Module
OV 1 - 10Copyright © 2007 Element K Content LLC. All rights reserved.
The System Bus
Hard DriveController
VideoController
Memory
System Bus
CPU
OV 1 - 11Copyright © 2007 Element K Content LLC. All rights reserved.
Examples of Storage Devices
OV 1 - 12Copyright © 2007 Element K Content LLC. All rights reserved.
A Power Supply
Internal viewInternal view
External viewExternal view
Wires from the power supplyto the system board and drivesWires from the power supply
to the system board and drives
FanFan
Voltage switchVoltage switch
Socket for power cordSocket for power cord
Power switchPower switch
OV 1 - 13Copyright © 2007 Element K Content LLC. All rights reserved.
A Typical Cooling System for a CPU
FanFan Heat sinkHeat sink
OV 1 - 14Copyright © 2007 Element K Content LLC. All rights reserved.
An Adapter Card
ConnectorConnector
CircuitryCircuitry
OV 1 - 15Copyright © 2007 Element K Content LLC. All rights reserved.
A System Board with a Riser Card
REARREAR
FRONTFRONT
Memory slots
PCI/ISA slots on riser
Peripheralconnectors
CPU
OV 1 - 16Copyright © 2007 Element K Content LLC. All rights reserved.
System Board Form Factors
AT Baby AT ATX microATX LPX NLX BTX
OV 1 - 17Copyright © 2007 Element K Content LLC. All rights reserved.
A Floppy Disk Drive (FDD)
Front view 3.5-inch floppy disk drive
3.5-inch floppy disk
Rear view of floppy disk drive
Data cableData cable Power cablePower cable
OV 1 - 18Copyright © 2007 Element K Content LLC. All rights reserved.
A Hard Disk Drive (HDD)
OV 1 - 19Copyright © 2007 Element K Content LLC. All rights reserved.
Optical Disks and Drives
An internal CD-ROM drive
An external DVD driveA CD-R disc
OV 1 - 20Copyright © 2007 Element K Content LLC. All rights reserved.
Optical Disk and Drive Types
CD-ROM CD-R CD-RW DVD-ROM DVD-R DVD+R DVD+R DL DVD-RW DVD+RW
OV 1 - 21Copyright © 2007 Element K Content LLC. All rights reserved.
A Tape Drive
OV 1 - 22Copyright © 2007 Element K Content LLC. All rights reserved.
Solid State Storage
43mm
CompactFlashcard fits in hereCompactFlash
card fits in here
36m
m
USB adapter connects theCompactFlash reader to the computer
USB adapter connects theCompactFlash reader to the computer
OV 1 - 23Copyright © 2007 Element K Content LLC. All rights reserved.
Ports
Enable devices to be connected to a personal computer.
6-pin round connector
6-pin round connector
25-pin D-shaped connector
25-pin D-shaped connector
15-pin D-shaped connector
15-pin D-shaped connector
OV 1 - 24Copyright © 2007 Element K Content LLC. All rights reserved.
Personal Computer Connections
USB ConnectorUSB Connector
CableCable
OV 1 - 25Copyright © 2007 Element K Content LLC. All rights reserved.
Serial Connections
25-pin serial port on a serial device25-pin serial port on a serial device
25-pin end of serial cable connects to modem and 9-pin end
connects to computer’s serial port
25-pin end of serial cable connects to modem and 9-pin end
connects to computer’s serial port
OV 1 - 26Copyright © 2007 Element K Content LLC. All rights reserved.
Parallel Connections
Parallel connectorParallel connector
Parallel cableParallel cable
OV 1 - 27Copyright © 2007 Element K Content LLC. All rights reserved.
USB Connections
Type B connectorconnects to USB device
Type B connectorconnects to USB device
Type A connector connects toUSB port on the computer
or on a hub
Type A connector connects toUSB port on the computer
or on a hub
OV 1 - 28Copyright © 2007 Element K Content LLC. All rights reserved.
FireWire Connections
FireWire deviceFireWire device
FireWire portFireWire port
FireWire 6-pin connector
FireWire 6-pin connector
OV 1 - 29Copyright © 2007 Element K Content LLC. All rights reserved.
SCSI Connections
SCSI connectorSCSI connector
SCSI cableSCSI cable
OV 1 - 30Copyright © 2007 Element K Content LLC. All rights reserved.
PATA Connections
PATA connectorPATA connector
OV 1 - 31Copyright © 2007 Element K Content LLC. All rights reserved.
SATA Connections
SATA data cableSATA data cable
SATA power cablesSATA power cables
OV 1 - 32Copyright © 2007 Element K Content LLC. All rights reserved.
Reflective Questions
1. How many of the personal computer components described are familiar to you?
2. What is the most important component of a computer?