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60 Cards in this Set
- Front
- Back
Software (programming)
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Operating systems and applications
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Computer functions through 4 stages
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Input
Processing Output Storage |
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Input
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Key board and mouse communicating with OS
1st stage |
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Processing
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Software interacting between hardware
cannot see this 2nd stage |
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Output
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Displays on monitor or printer
3rd stage |
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Storage
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Permanent records
4th stage |
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system unit
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all of the processing and storage takes place here
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peripherals
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everything that connects to the system unit
printer, monitor, keyboard |
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plug
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a part with some type of projection that goes into a port
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port
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a part that has some type of matching hole or slot that accepts the plug
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jack
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alternative to port
part that has some type of matching hole or slot that accepts the plug |
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connector
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a port or a plug
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Mini-DIN Connectors
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European designed
only see mini Older style keyboards and mice plugged into DIN ports |
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USB Connectors
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Universal Serial Bus
most common - general 3 sizes - A, B, and mini-B hotswap |
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USB B
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never see on your computer
for the other end of the USB cable where it attaches to the USB device |
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USB mini-B
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used for smaller devices such as phones or cameras
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hot-swappable
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you can insert or remove them without restarting the PC
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USB Power
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Many USB devices get their electrical power through USB Connection
dont need batteries or plug recharge some devices |
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FireWire Connectors (6)
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IEEE 1394
moves data at incredibly high speeds streaming video special 6-wire connector or 9-wire connector for more speed smaller 4 pin version seen on peripherals hot-swapable |
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DB Connectors (5)
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D-Subminiature
small pins that connect to DB ports 9 - 37 pins usually less than 25 oldest and most common connectors usually used for video |
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RJ Connectors
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RJ 11 = phone jack, mainly used for modems
RJ 45 = network connection |
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Audio Connectors
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used for audio
placed in front or back |
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mini-audio connector
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1/8 inch
most popular |
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expansion slots
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enable you to add more devices on expansion cards
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Keyboard
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mini-DIN port or USB port
colored purple |
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Monitor (4)
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(VESA)
(DVI) (HDMI) Many video cards have both types of connectors, or 2 (support multiple monitors) |
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VESA
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15 pin female DB Video Electronics Standards Association
blue |
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DVI
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Digital Video interface
white |
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HDMI
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Hi-Definition Multimedia Interface
both video and sound |
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Sound device performs 2 functions
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takes digital information and turns it into sound (speakers)
takes sound (microphone) and turns it into digital data |
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standard pair of stereo speakers
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green
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S/PDIF (3)
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Sony/Philips Digital Interface Format
consolidate various sound signals coaxial and optical versions |
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NIC (3)
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network interface card
only came on expansion card for many years today they are built in |
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Mouse
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USB or Mini-DIN connection
Green Trackball (push ball instead of moving mouse) |
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Modem
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old modem enables you to connect your PC to a telephone
one or two RJ - 11 jacks |
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Printer
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parallel port
USB ports FireWire Ethernet Wi-Fi 802.11 b/g/n |
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Parallel Port
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printers
25 pin female DB connector fuchsia |
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Joysticks
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orange
use USB ports today Gaming |
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eSATA
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special connector for external hard drives and optical drives
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Case
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also called: enclosure and system unit
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CPU (6)
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central processing unit
also called microprocessor performs all the calculations inside the PC make and model ADM and Intel ESD sensitive |
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CPU Heat
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generate a lot of heat
require a cooling fan and heat sink |
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Heat Sink
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big slab of copper or aluminum that helps draw heat away from the processor
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CPU Package type
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LGA - land grid array (Intel)
PGA - Pin grid array (AMD) |
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RAM
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Random Access Memory
stores programs and data currently being used by the CPU measured in bytes (MB or GB) 1-4 GB of RAM |
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Stick
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each piece of ram
DIMM - dual inline memory module (common) ESD sensitive |
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Motherboard
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everything connects to the motherboard
thin, flat piece of circuit board - green or gold |
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Power Supply
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powers motherboard
powers other devices that need electricity |
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Floppy Drive
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3.5 inch floppy used today
connected via ribbon cable to motherboard (called floppy drive controller) rarely used today |
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Hard Drive
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stores programs and data that are not currently being used by the CPU
(GB - TB) SATA or PATA |
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PATA
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Parallel Advanced Technology Attachement
hard drie ribbon cable |
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SATA
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Serial Advanced Technology Attachment
hard drive very narrow cable |
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SCSI
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small computer system interface drives
very expensive, used on high end PCS such as network servers or graphic workstations hard drive |
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Optical media drives
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enable a computer to read one or more types of optical media discs (CD, DVD, Blu-Ray)
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CDs
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Store around 700 mb
CD-ROM CD-R CD-RW |
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CD-ROM
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read only memory
cant change data on them |
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CD-R
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Recordable, you can change data once
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CD-RW
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rewritable
you can change the data over and over |
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DVD
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4 GB
many options (ROM, +R, R, +RW, and -RW) |
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Blue-Ray
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high def movies
25 GB |