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Chapter 1 Terms
PC Maintenence
Term | Definition |
---|---|
Tower Case | Sits upright |
Desktop Case | Lies flat |
VGA Video Graphics Array Port | 15 pin female port that transmits analog video |
DB-15 Port | 15 pin female port that transmits analog video |
DVI Digital Video Interface | transmits digital or analog video |
S-Video Port | 4 or 7 pin round video port sometimes used to connect a television |
HDMI Port | transmits digital video and audio used to connect computers to televisions |
DisplayPort | Transmits digital video and audio |
Thunderbolt | transmits both video and data on the same port and cable |
Network Port | used by a network cable to connect to a wired network |
Ethernet Port | used by a network cable to connect to a wired network |
RJ-45 | used by a network cable to connect to a wired network |
Audio Ports | used to connect a microphone or headphones |
S/PDIF Sound Port | connects to an external home theater system |
USB Port | is a multipurpose I/O port used by many different devices |
FireWire Port | used for high speed multimedia devices such as digital camcorders |
IEEE1394 Port | used for high speed multimedia devices such as digital camcorders |
External SATA | port is used by an external hard drive using the eSata interface |
PS/2 Port | is a round 6 pn port used by a keyboard or mouse |
Serial Port | 9-pin male port used on older computers |
Parallel Port | 25-pin female port used by older printers |
Modem Port | is used to connect dial up phone lines to computers |
RJ-11 | is used to connect dial up phone lines to computers |
Internal Components | the main computer components |
Motherboard | the largest and most important circuit board in the computer |
Main Board | the largest and most important circuit board in the computer |
System Board | the largest and most important circuit board in the computer |
Central Processing Unit | does most of the processing of data and instructions for the entire system |
Processor | does most of the processing of data and instructions for the entire system |
Microprocessor | does most of the processing of data and instructions for the entire system |
Heat Sink | consists of metal fins that draw heat away from a compartment |
Expansion Card | is a circuit board that provides more ports than those provided by the motherboard |
DIMM dual inline memory module | slots to hold memory |
RAM Random Access Memory | temporary storage for data |
Video Memory | video cards also contain some embedded RAM chips for added memory |
Hard Drive | a permanent storage used to hold data and programs |
Power Supply | a box installed in a corner of the computer case that recieves and converts the house current so that components in the case can use it |
Power Supply Unit | a box installed in a corner of the computer case that recieves and converts the house current so that components in the case can use it |
Hard Disk Drive | a permanent storage used to hold data and programs |
Dual Voltage Selector Switch | on the computer case where you can switch the input voltage to tge power supply to 115 volts used in the USA or 220 V used in other countries |
ATX Advanced Technology Extended | is the most commonly used form factor today |
20-pin P1 Connector | used by the power supply and motherboard provided |
PCI Peripheral Component Interconnect | Expansion slots on the motherboard |
4-pin motherboard auxiliary Connectror | near the processor socket to provide an extra 12V of power |
ATX12V Power Supply | a power supple that provides this 4-pin 12 volt power |
8-Pin Motherboard Auxiliary Connector | provideds more amps for the processor |
PCI Express | the latest evolution of PCI which is not backwards compatible with older PCI cards and slots |
24-pin P1 Connector | also calledthe 20+4 power connector provided more power to when the PCI cards improved |
MicroATX | a major variation of ATX and addresses some technologies that have merged since the original development |
Serial ATA | the faster standard for hard drives |
Parallel ATA | the slower standard for hard drives |
SATA Power Connector | power cable that connects to the drive |
Molex Power Connector | PATA drives use this 4-pin power connector |
Floppy Drive | can hold a 3.5 inch disks containing up to 1.44 MB of data |
Floppy Disk Drive | can hold a 3.5 inch disks containing up to 1.44 MB of data |
Berg Power Connector | used by floppy floppy drives smaller than a molex |
Volts | a measure of electrical force |
AMP | a measure of electrical current |
OHM | measure of resistance to electricity |
Joule | a measure of work or energy |
Surge Suppressor | rated in joules |
Altering Current | goes back and forth |
Direct Current | travels in only one direction |
Rectifier | a device that converts AC to DC |
Transformer | a device that changes the ratio of voltage to current |
Field Replaceable Unit | it can be replacec |
Class C Fire Extinguisers | uses nonconductive chemicals to put out a fire caused by electricity |
Electrostatic Discharge | static electricity caused by sparks |
Static Electricity | static electricity caused by sparks |
Ground Bracelet | a strap that you wear around your wrist to keep you from getting shocked |
ESD Strap | a strap that you wear around your wrist to keep you from getting shocked |
Anti-Static Wrist Strap | a strap that you wear around your wrist to keep you from getting shocked |
Ground Mat | dissipates ESD |
ESD Mat | dissipates ESD |
Antistatic Bags | components are shipped in these bags |
Anti-Static Gloves | gloves you wear to keep you from getting shocked |
ESD Gloves | gloves you wear to keep you from getting shocked |
Self-Grounding | dissipates the charge |
POST Diagnostic Card | motherboard test card |
POST Card | motherboard test card |
BIOS | basic input output system |
Firmware | embedded programs tied into the hardware |
System BIOS | manages essential devices |
Startup BIOS | used to start up the computer |
BIOS Setup | used to change the motherboard configuration |
CMOS Setup | used to change the motherboard configuration |
POST | Power On Self Test |
Power Supply Tester | used to measure the output of each connector |
Multimeter | measure electricity |
Loopback Plug | used to test network connectivity |
Material Safety Data Sheet | how to properly handle chemicals |
Trip Hazzard | things people can trip over |