hardware Flashcards
5 parts of a processor
alu, control unit, registers, i/o unit, internal data bus
what is d-shell connector
more pins on top than below
operating system
initiates software and hardware integration
wireless connectivity for input devices
infrared, radio, bluetooth
what is an ethernet port connected to
NIC- network interface card
hard drive
holds data
two big cpu manufacturers 6 lessers
- intel, amd 2. motorola, via, samsung, nvidia, apple
easy keyboard troubleshooting
press num or caps lock. switch applications
1394a specifics
100, 200, 400 3 pin nonpowered 15ft and 60 ft
how is data moved around from processer to externals?
external data bus or internal data bus
Thunderbolt ( incude 2 port types) Transfer speeds? A,D,B? Cable length? Has Audio?
v2 20GB v3 30GB Digital 10GB @200’ yes audio 9.8’ passive copper
what does cpu do
executes instructions, performs calculations, and coordinates input/output operations
motherboard
main circuit board, keyboard and mouse may have direct connection
processor 2 names
cpu- central processing unit microprocessor
bios
basic input output system, determines what hardware can interact
Amounts 1byte 1KB 1MB 1GB 1TB
8 bit, 1024 1048576 1bill 1 trill
esata speed, pins, feet
7pin, 600 mb, 6.6 ft
BNC- stands for (not important)and describes
Bayonet neil concelman coaxial, digital networks
sata and esata stands for
external serial advanced technology attatchment
power supply does what?
converts ac to dc
DisplayPort
Digital 25.92 Gb/S yes audio 9.8’ passive, 108’ active
Purpose of sound car
converts digital signals to sound, vise versa
what is a keyed port
can only be inserted one way
overview firewire 1394 speeds, pins
100, 200, 400, 800, 1200, 1600 4, 6 ,9
what is esatap port?
esata with usb, able to provide power
USB stands for, max devices
universal serial bus 127
DPI of optical mouse
500-3500
define adapter, another name for it
electronic circuits plugged into expansion slot. also called controller card
describe s-video
gap at top 2 sets of round holes 1 insert hole
DVI 3 types 2 link types
digital visual interface -3 square rows single link vs dual link DVID-digital DVII-both DVIA-analog
different usb speeds how many wires
1.5, 12 mb 4 480 mb 4 5gb 10gb 9
define port
allows devices to connect
How does optical mouse detect movement?
LED
optical drive
uses cd’s
internal hard drive failure can be booted and troubleshooted by connecting what?
an external esata drive
describe VGA port: define, is it analog digital or both
Video graphics array
analog
what does volatile mean
data loss with power loss
firewire 1394 specifics
100, 200, 400 mb/s one transmition at a time 6 pin 15ft and 60ft
parts of an ethernet cord, whats it called
rj-45 8 conductors
what does memory(ram) contain?
applications, OS, documents its volatile
color of mouse port vs keyboard
green then purple
1394b
3200 mb 9pin, cat5e unshielded 15ft and 330 ft
certified-w
wireless 480 @ 10ft 110 @ 30ft
ALU stands for
arithmetic logic unit
define software
programs interact with hardware
nfc stands for
nearfield communication device
input device
produce data
describe male vs female port
prongs vs holes
processor speed is measured in
hertz
device driver
software enabling hardware interaction
VGA Transfer speeds? A,D,B? Cable length? Has Audio?
analog
what devices use sata
storage devices, hard drive, optical
what is thunderbolt port used for
video audio data
Define hardware
physical computer parts
What is a bit and how does it turn on/off
1 or 0. measured by voltage level
HDMI stands for
high definition multimedia interface
meaning of DPI
dots per inch.
uses for display port
visual and audio
1394c
800mb 15ft and 330ft
firmware
hardware comes with software on it
HDCP stands for
high-bandwidth digital content protection
HDMI Transfer speeds? A,D,B? Cable length? Has Audio?
Digital 18GB/S yes audio 16’ standard, 49’ high speed
modem port and pin #
RJ-11 9 pin
output device
accepts data
common apple ieee port number and name
1394 aka firewire
firewire two modes- what are they used for
asynchronous-ensures data reliability isochronous- ensures bandwith, no error correction
what is USB header
pins on motherboard
kvm switch
keyboard video mouse switch.
DVI Transfer speeds? A,D,B? Cable length? Has Audio?
Both 7.92 no audio 15’ for 1280*1024
intel 8088 vs today
4.77mhz vs 5ghz 16bit vs 64/128 bit
drm stands for
digital rights management
i/o device
can produce or accept data
FSB stands for
Front side bus
FSB
pci stands for
peripheral cmponent interconnect
pci speeds and bandwidth
pcie v2 v3 v4 speeds
33 and 66 mgh/z
bandwidth is 533 mb/s
2=50mb to 8gb
3=985mb to 15.75gb
4=1969 mb to 31.51 gb
agp stands for
accelerated graphics port
cpu throttling is what
reducing clock frequenc to reduce power and heat, typical in mobile devices
high speed memory storage in processor is known as
register
define cash memory
fastest access memory increasing processor speeds unless located in the motherboard ram or hard drive
what are 5 parts of data access hierarchy
Register
L1 in processor
L2 in processor
L3 on CPU housing
ram- on motherboard
disk storage- in hard drive
define clock cycle
transfer of 1 and 0 to and from processor
define thread
handling a set of instructions either by one processor or multiple threads
DIB stands for? define?
dual independant bus. fsb connects cpu to motherboard, bsb cpu to L2 cache
Hyper-Transport-define, and by who
AMD’s Direct Connect allows each of the processor cores to connect directly to memory eliminating FSB
Multi-core processors; define
Having multiple cores on the same unit instead of seperate
AMD and Intel integrated GPU’s are called
apu accelerated processing unit.
intel hd/iris graphics
Define virtualization and list 4
one computer to act as if it were two or more computers, VMware Workstation, Oracle VM VirtualBox, or Microsoft Hyper-V
Define Hyper-V
Letting an application work in a virtual environment for compatibility
name intel processors and how many cores they have.
i7, i5, i3, pentium, celeron, atom
what is core I7 used for, how many cores
multi-core. good for virtualization, graphic design, gaming
what is core I5 used for, how many cores
dual and quad processor. Used in photo, video, email internet
what is core I3 used for
word processing, internet access
what is core Pentium used for, how many cores
Single or dual core for general computing laptop or computer
what is core atom used for
mobile internet device processor
what is core celeron used for
mobile device general computer
cpu sockets( 6)
Pin grid array(pga)
staggered pga
plastic pga
micro oga
flip chip ball GA
land GA
second name for processor sockets
zero insertion force sockets
