Comp A+ Parts Flashcards
USB Specs
- 50-70mm long
- 17-20mm wide
- 10-12 mm thick
- Storage 128mb to 128gb
- 700kbps to 28mbps for read
- 250kbps to 15mbps write
SSDs
-2.5 to 3.5 inches
-No moving parts
eliminate seek time
-latency
Compact Flash
- 43mm-36mm wide
- Portable devices
- Type 1 is 3.3mm thick
- Type 2 is 5mm thick
- Store 100gb or more
- 50pin contact
- 66mbps
SmartMedia
-45mm long by 37mm wide
.76mm thick
-Store up to 128 mb
-transfer 8mbps
Picture cards
- 20mm by 25mm by 1.7mmm
- store up to 2GB up to 8
- Transfer 4-15 MBps for read
- 1.3 to 9MBps for write
Memory Sticks
- 50 by 21.5by 2.8mm
- Store up to 16GB
- Transfer 2.5MBps read
- 1.8MBps write
Secure Digital
- 32 by 24 by 2.1mm
- Mini 21.5 by 20 by 1.4
- Micro 15 by 11 by 1
- Store up to 2TB
- Transfer from 10-20MBps
Multimedia Cards
- 32 by 24 by 1.5mm
- Mobile 16,24,1.5mm
- Mini 21.5, 20, 1.4mm
- Micro 12, 14, 1.1 mm
- Store up to 8GB
- Transfer 52MBps
CD-ROM
-700-800mb
CD-RW
- written multiple times
- 700-860MB
DVD-ROM
- Single sided Store 4.7GB
- Double sided store 9.4GB
Single Layer DVD-R
- Written once
- Store up to 4.7GB
Single Layer DVD+R
- Written once
- Store up to 4.7GB
- Faster then -R
Doubled Sided DVD-R and DVD+R
- Store data on both sides
- Hold up to 8.75GB
Dual Layer DVD-R
- Two recordable layers on single side
- Store up to 8.5GB
Dual Layer DVD+R
- Two recordable layers on single side
- Store up to 8.5GB
- faster then -R
Single Layer DVD-RW
- written to multiple times
- store up to 4.7GB
Dual Layer DVD-RW
- Two layers for writing
- Store 8.7 GB single side
- 17.08 double side
DVD-RAM
-rewritable and erasable
BD-ROM
- Store 128GB depending on layers
- Each layer as 25GB
BD-R
- Written on once
- Store 128GB #layers
BD-RE
- written and erased
- Store 128GB
CD drive
- Transfer at least 150KBps
- 8by, 16 by, 52by
DVD Drive
-Speeds 600KBps-1.3MBps
USB 1.1
- Digital
- distance 3 meters 1.5MBps
- 5 meters 12MBps
- low speed less susceptible to EMI
- Frequency 48MHz
USB 2
- Digital
- max length 5 meters
- transfer 480Mbs connected to 2.0 hub and 12MBS connected to 1.1 hub
- Poor signal at high transfer
- Frequency 48MHZ
USB 3
- Digital
- Max length 3 meters
- Transfer 5Gbps
- short latency
- Spread spectrum clocking
USB 3.1
- Digital
- 3 meters
- 10Gbps
- short latency
- Spread spectrum clocking
Firewire 400
- Digital
- max 4.5meters
- Transfer 400MBps
- reduces buffering
- Frequency 33MHz
Firewire 800
- Digital
- Max 100 meters
- Transfer 800 MBps
- reduces buffering
- Frequency 25MHz
Thunderbolt
-Digital
-Copper 3 meters
-Fiber 60 meters
-Transfer
Version 1 10GBps per channel 20 total
Version 2 20 and 40
Version 3 40 and 80
-quality very precise
-Frequency 430 kHz
SATA 1
- 37.5 MHz
- 1.5GB/s
- 150 MB/s
- 1 meter
Sata 2
- 75 MHz
- 3 GB/s
- 300Mb/s
- Backwards compatible
- 1 meter
SATA 3
- 150 MHz
- 6 GB/s
- 600 MB/s backwards -compatible
- 1 meter
SATA 3.2
- 16 GB/s
- 1969 MB/s
- 1 meter
eSATA
- External
- 3 GB/s
- 30MB/s
- 1 meter
VGA
- Analog
- Distance 30 meters low and 5 meters high
- Frequency 60 Hz
HDMI
- Type A 19 pin
- supports high resolution
- Type B 29 pin
- Type C Mini HDMI Portable devices
- Type D Macro
- 5 meters
- 18GBps
- 4K video
- 1536 kHz
DVI
- analog, digital, both
- 15 meters and 5 meters
- 165 MHz and 60 Hz
Digital audio connectors
- Digital
- 3 meters-coaxial
- 15 meters-optical
- 125 Mbps
RJ-45
-8 pin connector
-digital
-100 meters Cat 5
-Frequency
Cat 5 up to 100MHz
Cat 5e up to 100 MHz
Cat 6 up to 250 MHz
RJ-11
- Analog
- 100 meters
- 10 MBps
- 16 MHz
PS/2 connectors
- Digital
- 7.6 meters
- 2KBps
- Lower latency
Radio
-10 KHz- 1 GHz
Bluetooth
- 2.4 GHz
- 30 feet
Near Field Communication
- 10cm or less
- 13.5 MHz
Infrared
- 300 GHz -400 THz
- 1mm -750mm
Windows 8 RT
- only pre-installed on devices 32 bit architecture.
- supports up to 4GB Ram
- only windows store
- Office 2013 word, excel, power point, and onenote
Windows 8/ 8.1
- home users
- can purchase separately
- does not include Office 2013
- windows store and traditional desktop-style apps
- installed on Intel or AMD 32 or 64 bit architecture
Windows 8/ 8.1 Pro
- business users
- windows server domain
- remote desktop
- Hyper V
- group policy
Windows 8/ 8.1 Enterprise
- large organizations for volume licensing
- Same features and requirements as Pro
Windows 7 Starter
- simple basic edition few features
- 32 bit
Windows 7 Home Premium
- low cost for beginners
- basic functions like explorer 8 and productivity software
Window 7 Professionsal
- Can run Windows XP mode
- connect to domains
- back up data to network locations
Windows 7 Enterprise
- Organizations that need volume license
- Support multiple language through multilingual User interface
- Bitlocker
- compatible with Unix apps
Windows 7 Ultimate
-same as 7 enterprise but for individual licensing for personal use
Windows Vista Home Basic
-basic low budget OS for beginners and home didn’t need advanced multi
media capabilities
Vista Home Premium
- adds media center,
- HDTV support
- backup scheduling
- alternate displays
- Windows Aero
Vista Business
- same as home basic plus remote desktop
- encrypting files system
- join Windows Server Domain
Vista Enterprise
- added to business
- unix app support
- Bitlocker
- multilingual interface
Vista Ultimate
- combines all other editions
- 128 GB RAM
- only 64 bit
Unix
- Developed at Bell Labs
- Kernel/ shell
- Kernel core functions
- shell user interface
- run on personal to mainframes
- multitasking
- multiuser
- networking
- software development
Linux
- multiple desktops or virtual
- Keychain
- Icloud
- Gestures
- remote disk
- Command line and GUI
OS X
- Mission Control
- Keychain- password manager
- Spot light search tool
- icloud storage
- Gestures figure control
- Finder folder management
- Remote Disc External drives
- Dock
- Boot Camp allows for Microsoft Windows on MAC
Infrastructure as a Service
- rent resources
- billed on amount of resources you use
Platform as a service
-rent fully configured system
Software as a Service
-rent software over internet
Wipes and Cloths
- Monitor wipes, alcohol free, pre-moistened
- use only on CRT and TV
- Keyboard
- Microfiber remove dust from LCD
- toner cloth
Cleaning Solutions
- rubbing alcohol on cotton swabs or lint free
- Mild household cleaner on exterior of computer components
- Older monitors, water or isopropyl alcohol
- Distiller water on LCD’s, LET’s, Plasmas or equal parts water and vinegar
Cleaning tools
- tightly wound cotton swabs
- toothpicks
- small paintbrush
Compressed air
-do not tip can to much
Computer vacuum
- non static vacuum
- better then blowing air out
Mask and gloves
- mask when using compressed air
- gloves when cleaning toner
Comp TIA Troubleshooting Theory
- Identify problem
- Establish theory
- Test the theory
- Establish plan
- verify
- document
Video Graphics Array
- DB-15
- three rows of five pins
Digital Video Interface
-uses Transition Minimized Differential Signaling
-single link max bandwidth of 165 MHz
-Supports resolution 1920 by1010 at 60 Hz
-dual link 330 MHz each and support res up to 2048by1536
-DVI-D dual 24 pins in rows of 8 with a flat pin
DVI-d Single 18 pins two rows of 9 with a flat pin
HDMI
- uncompressed all digital audio video interface
- 19 connector and up to 50 feet or more.
Display Port
- uses TMDS
- 20 pin connector
- High end graphics
Component
- color video analog that seperates video signals into three or more channels
- wire identified as Y, Pb, Pr
Composite
-combines video info on one channel
miniDin-4
- used for S video
- works in res of 480i or 576i
ATX motherboard
- intel
- better I/O support
- lower cost
- easier to use
- better processor support
- 20 pin power connector
- +3.3, +5, +5, +12, -12 volts
- CPU Closer to cooling fan
- cools by blowing air into case
- rotate 90 degrees better access
- form factor 12 inches by 9.6 or 12 by 10
Mini ATX
- 2 by 8.2
- smaller then ATX
- same mounting holes as ATX
micro ATX
- 9.6 by 9.6
- integrated graphics
- backward compatible with the full size ATX and often use same chipsets
- fewer I/O ports
ITX
- designed for industrial applications
- used in Firewalls, home theatre, embedded car computers
Mini ITX
- max size of 6.7 by 6.7
- consume less power while providing adequate processing power
- doesn’t need a lot of cooling
PCI
- operates 33-66 MHz
- Up to 8 functions on 1 board
- 32 bit 33 MHz 133MBps
- 32 bit 66 MHz 266MBps
- 64 bit 33 MHz 266 MBps
- 64 bit 66 MHz 533 MBps
- supports up to 5 cards per bus
- can have two buses
- total ten devices
PCI-X
-uses parallel interconnect
-64 bit bus
-faster by doubling bus width from 32 to 64
-PCI-x 1 66 to 133 MHz depending on card
-64 bit at 66MHz 533MBps
-64 bit at 133 1.06 GBps
_PCI-x2 266 to 533 MHz
-2.13 GBps and 4.26
- commonly found in servers
PCIe
-full duplex
-each device uses two lanes one for sending one for receiving
-1by and 2 by us 8b/10B encoding same as fast Ethernet for a 100MBps throughput
-high speed graphics and NiC
-1by 2.5GHz offers 250MBps
4GBps of bandwidth in one direction
-2by 5GHz offers 500 MBps
8GBps in one direction
-3by 8GHz 1GBps 16 GBps bandwidth in one direction
-4by 16GT/s and 64 GBps in one direction
Mini PCI
Type 1 and 2 uses 100pin stacking connector Type 3 uses 124 pin edge connector -Upgradeable -Flexible -High performance -2w max power -used with PCI using converter
DIMM
- 64 bit path
- separate electrical contacts on each side
- 168 pin connector
- 16 0r 32 random access memory chips
RIMM
- Metal cover acts as heat sink
- different pin settings and are not interchangeable with DIMM
SATA Power
- 15 pin connector
- max 54W
- +3.3
- +5
- +12
Molex connector
-most common for HD and motherboard
-20 or 24 pin
+12 yellow
Ground black
ground black
+5 red
4/8 pin 12V
Used for CPU
4 or 8 pin
8 pin multiple CPU’s Max W336
4 pin max 192W
PCIe 6/8 pin
Power to PCIe slots
both 12V
6 pin max 75w
8 pin max 150W
Main Power
20 or 24 pin ATX connector 24 pin added 4 additional for PCIx slots 20 pin max 72w 24 pin max 144w \+3.3 \+5 \+12
DDR SDRAM
- transfer data twice as fast per clock cycle
- Replaced SDRAM
- uses additional power
- 184 pin
DDR2
- increase data rates of DDR
- DDR2 240 pin
- will not fit in DDR
DDR3
- twice as fast as DDR2
- 30% less power
- 240 pin
- not interchangeable
Single-sided RAM
-all available memory accessible by computer
Double-sided RAM
Might have two banks but only one can be accessed at a time
DDR4
288 pins
Windows 8.1 Pro/ Enterprise
- 1GHz 32bit or 64bit
- 1GB RAM 32bit or 2GB 64bit
- 40GB HD 20 GB available
- Direct x9 or 10
Windows 7 Home, Premium, Professional or Ultimate
- 1 GHz 32bit or 64bit
- 1GB RAM 32bit 2GB 64bit
- 40GB HD 20 GB available
- Direct x9 or 10
Windows Vista Home, Premium, Professional or Ultimate
- 1 GHz 32bit or 64bit
- 1GB RAM
- 40GB HD 15 GB available
- Direct x9 and 128MB graphics memory
Vista home basic
- 1 GHz 32bit or 64bit
- 512MB RAM
- 20GB HD 15GB available
- Direct x9 and 32MB graphics memory
Windows Vista SP1 upgrade
- any higher level of Vista
- same level of windows 7 or higher
Windows 7 upgrade
- any higher level of windows 7
- Any level of Window 8
- Any level of Window 8.1
Windows 8 upgrade
- Any higher level of Windows 8
- Any level of Window 8.1
Windows 8.1 upgrade
-Any higher level of Windows 8.1
CAT 3
-Net type: telephone/ Ethernet
-Max speed 10mbps
-max frequency 16MHz
used for telephone
CAT 5
- Type fast Ethernet
- max speed up to 100mbps
- max frequency 100mhz
- been replaced by CAT5e
CAT 5e
- network type Gigabit Ethernet
- Max speed up to 1GBps
- max Frequency 100mhz
- most common twisted pair cable today
CAT 6
- Network type gigabit Ethernet
- max speed 10gbps
- max frequency 250mhz
- commonly used for back-end high capacity networking
CAT6a
- Network type gigabit Ethernet
- max speed 10gbps
- max frequency 500mhz
- expected to replace HDMI for video transmission
CAT7
- Network type gigabit Ethernet
- max speed 10gbps+
- max frequency 600mhz
- CAT 7 supports 10GBASE-T Ethernet over a full 100 meters and offers improved crosstalk noise reduction
