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60 Cards in this Set

  • Front
  • Back
Software (programming)
Operating systems and applications
Computer functions through 4 stages
Input
Processing
Output
Storage
Input
Key board and mouse communicating with OS

1st stage
Processing
Software interacting between hardware

cannot see this

2nd stage
Output
Displays on monitor or printer

3rd stage
Storage
Permanent records

4th stage
system unit
all of the processing and storage takes place here
peripherals
everything that connects to the system unit

printer, monitor, keyboard
plug
a part with some type of projection that goes into a port
port
a part that has some type of matching hole or slot that accepts the plug
jack
alternative to port

part that has some type of matching hole or slot that accepts the plug
connector
a port or a plug
Mini-DIN Connectors
European designed

only see mini

Older style keyboards and mice plugged into DIN ports
USB Connectors
Universal Serial Bus

most common - general

3 sizes - A, B, and mini-B

hotswap
USB B
never see on your computer

for the other end of the USB cable where it attaches to the USB device
USB mini-B
used for smaller devices such as phones or cameras
hot-swappable
you can insert or remove them without restarting the PC
USB Power
Many USB devices get their electrical power through USB Connection

dont need batteries or plug

recharge some devices
FireWire Connectors (6)
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
DB Connectors (5)
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
RJ Connectors
RJ 11 = phone jack, mainly used for modems
RJ 45 = network connection
Audio Connectors
used for audio

placed in front or back
mini-audio connector
1/8 inch

most popular
expansion slots
enable you to add more devices on expansion cards
Keyboard
mini-DIN port or USB port

colored purple
Monitor (4)
(VESA)

(DVI)

(HDMI)

Many video cards have both types of connectors, or 2 (support multiple monitors)
VESA
15 pin female DB Video Electronics Standards Association

blue
DVI
Digital Video interface

white
HDMI
Hi-Definition Multimedia Interface

both video and sound
Sound device performs 2 functions
takes digital information and turns it into sound (speakers)

takes sound (microphone) and turns it into digital data
standard pair of stereo speakers
green
S/PDIF (3)
Sony/Philips Digital Interface Format

consolidate various sound signals

coaxial and optical versions
NIC (3)
network interface card

only came on expansion card for many years

today they are built in
Mouse
USB or Mini-DIN connection

Green

Trackball (push ball instead of moving mouse)
Modem
old modem enables you to connect your PC to a telephone

one or two RJ - 11 jacks
Printer
parallel port
USB ports
FireWire
Ethernet
Wi-Fi 802.11 b/g/n
Parallel Port
printers

25 pin female DB connector

fuchsia
Joysticks
orange

use USB ports today

Gaming
eSATA
special connector for external hard drives and optical drives
Case
also called: enclosure and system unit
CPU (6)
central processing unit

also called microprocessor

performs all the calculations inside the PC

make and model

ADM and Intel

ESD sensitive
CPU Heat
generate a lot of heat

require a cooling fan and heat sink
Heat Sink
big slab of copper or aluminum that helps draw heat away from the processor
CPU Package type
LGA - land grid array (Intel)

PGA - Pin grid array (AMD)
RAM
Random Access Memory

stores programs and data currently being used by the CPU

measured in bytes (MB or GB)

1-4 GB of RAM
Stick
each piece of ram

DIMM - dual inline memory module (common)

ESD sensitive
Motherboard
everything connects to the motherboard

thin, flat piece of circuit board - green or gold
Power Supply
powers motherboard

powers other devices that need electricity
Floppy Drive
3.5 inch floppy used today

connected via ribbon cable to motherboard (called floppy drive controller)

rarely used today
Hard Drive
stores programs and data that are not currently being used by the CPU

(GB - TB)

SATA or PATA
PATA
Parallel Advanced Technology Attachement

hard drie

ribbon cable
SATA
Serial Advanced Technology Attachment

hard drive

very narrow cable
SCSI
small computer system interface drives

very expensive, used on high end PCS such as network servers or graphic workstations

hard drive
Optical media drives
enable a computer to read one or more types of optical media discs (CD, DVD, Blu-Ray)
CDs
Store around 700 mb

CD-ROM
CD-R
CD-RW
CD-ROM
read only memory

cant change data on them
CD-R
Recordable, you can change data once
CD-RW
rewritable

you can change the data over and over
DVD
4 GB

many options (ROM, +R, R, +RW, and -RW)
Blue-Ray
high def movies

25 GB