Flashcards
COMP 30 test 1
Flashcards do conjunto (18)
- 1List 6 parts inside a computerPower supply
Motherboard
Processor
Memory modules
expansion cards
hard drive - 2What is the motherboardLargest circuit board (System board)
- 3What is the CPUCentral processing unit
Processes most data for entire system - 4What is the heat sinkheat sync is attached to processor with fan
to cool the processor. - 5What are memory modules - RAMrandom access memory
temp storage for data and instructions as they are being processed by CPU. - 6What are expansion cardsA circuit board that provides more ports than provided by motherboard.
- 7Hard drivesHDD (Hard disk drive)
perm storage - 8Power supplyPSU (Power supply unit)
receives electricity from wall and converts to correct voltage. - 9What is the most common cable on HDD BONUS: Old cable?Common: Serial ATA
Parrallel: ATA - 10How many pins on a floppy drive34 pin twisted cable
- 11Alternating currentoscillates between + & -
- 12Direct currentTravels in one direction
- 13RectifierConverts AC to DC
- 14InverterConverts DC to AC
- 15What equipment is worn to protect from electrical shockanti static grounding bracelet
- 16What is ESDElectro static discharge
shock, 2 objects with opposite charges touch - 17How can ESD be preventedESD strap, bracelet, mat, or gloves.
- 18Name 6 ways to protect from ESDtouch other person before passing circuit board
leave components in anti static bag
work on hard floors, no carpet
cold dry area
remove packing tape, cellophane from area
keep away from hair and clothes