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42 Cards in this Set
- Front
- Back
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What does BIOS stand for |
Basci input/output system |
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Name the 6 steps of Troublshooting |
Identify the problem Establish a theory of probable cause Test the theory Establish a plan of action verify full system fnctionality Document the above |
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whats the worst condition for electrostatic discharge |
Cool and dry |
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what does F disk do |
creates partitions on hard disk |
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how do you tell the difference between AT and ATX |
AT uses P8&9 power connectors ATX uses P1 |
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How many pins Simm Sdram DDR DDR2-3 |
30-70 168 184 240 |
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what does CMOS stand for |
Compilentary metal oxide semiconductor |
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4 functions of a computer |
input processing output storeage |
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what is PSR and hows it used |
PSR records all on screen actions it is used for helping identifying a problem |
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what does a PSU do |
supplies poer to the motherboard and other components in 3.3,5 & 12volts DC it also convert AC to DC AC is a wavy line DC is 3 dots |
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IRQ 0 is used by what |
system timer |
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IRQ 1 is used by |
keyboard |
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what are embedded sysem used for |
cash machine, airconditioning |
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what is the difference with embedded systems |
can have no mdeia no print function, no LAN |
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what type of conector is used to plug in a phone line |
RJ11 |
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What does PATA stand for |
Parallel Advanced Technology Attachment |
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how many pins does a IDE ribbon have |
40 |
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whats a Molex |
4 pin power lead used in PC's |
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what did you have to set on IDE drives |
set jumper to Master/slave/ |
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CPU pin types |
PGA pin grid array and Land Grid Array LDA |
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Whats Moores Law |
every 18 months technology doubles and the price half |
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What does SCSI stand for |
Small Computer System Interface |
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What was unsual about SCSI |
It needed a terminal block at the end |
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how do you identify a floppy drive cable |
it has a twist in it |
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how does lossess compression work |
it groups the 1 & 0 from the binary so 1111 1111 1111 1 becomes 13 1's or 1101 in bin |
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what is Parity in reference to memory |
Parity is a small amount of ram set aside to check for errors in the data being loaded into ram its a cross check |
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Describe the charactorists of DRAM |
Volitile, all data is lost when you turn off the power needs to be constantly refreshed cheap |
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Describe the charactorists of static ram |
volitile very expensive used in level 1 & 2 cache |
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List a ATX motherboard input / output plugs |
parrelell port 25pin LAN RJ45 PS2 dim pin green mouse pink keyboard USB's 3.5 Audio Jack 9 pin serial port 15 pin VGA |
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how to identify ATX, BTX,NLX motherboard |
ATX intigrated sound and graphics BTX reconfigured chip to ease air flow NLX low level profile for desktop |
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Whats assign affinity mean and what OS can it be used on |
it allows you to assign cores of th eCPU to do different things has been in place since win 7 |
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what does SATA stand for |
Serial Advanced Technologies Attachment |
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how many pins in a SATA cable and what shape is it |
7 pin L shape |
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Define RAID 0 |
stripping data split between 2 or more drives half to each drive |
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Define RAID 1 |
Mirror duplicate to each drive |
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define RAID 5 |
Strip with Parity 3 disks half data sent to 1st 2 drives 3rd drive calculate a parity from the 2 so if 1 goes down the other 2 can be used to generate the data |
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What are dynamic disks |
they have a logical disk manager and know where and what each other are they also need to be moved as one |
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whats the difference between NTFS and FAT32 |
FAT32 does not support file compression, encryption and other functions NTFS does |
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what does FAT stand for |
File allocation table |
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what does MBR stand for |
Master boot record |
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what does GPT stand for |
Guid Partition Table |
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how many partitions can you have in a guid partitioned system and what size it they be |
128 partitions Max 256 TB |
