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NPower/CompTI / A+ Questions and Answers
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NPower/CompTI / A+ Questions and Answers
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NPower/CompTI / A+ Questions and AnswersLGA (Land Grid Array) Correct Ans-CPU sockets that have contacts (often pins) built in to
them, which connect with contacts on the CPU.
PGA (Pin Grid Array) Correct Ans-CPU sockets that have holes, and the processors have
pins that fit into the holes.
SODIMM (small outline dual in-line memory module) Correct Ans-A smaller version of a
DIMM used in smaller devices such as laptop computers and some printers.
DIMM (dual in-line memory module) Correct Ans-Memory for desktops comes on circuit
boards
DDR Memory Correct Ans-Double Data Rate
Cache Correct Ans-A fast form of memory, and it improves system performance by
predicting what the CPU will ask for next and pre-fetching this information before being
asked.
PCI (Peripheral Component Interconnect) Correct Ans-Some of the most common 32-bit
expansion slots for many years
, NPower/CompTI / A+ Questions and Answers
AGP (Accelerated Graphics Port) Correct Ans-Expansion slots that are known mostly for
legacy video card
PCIe (Peripheral Component Interconnect Express) Correct Ans-The replacement for AGP
and PCI that has the advantage of being faster than AGP while maintaining the flexibility of
PCI.
Power Connector Correct Ans-24-pin block connector on the Motherboard
BIOS (Basic Input Output System) Correct Ans-The special memory chip contains that
boots the system and initiates the memory and hard drive to allow the operating system to
start.
POST (Power-on Self Test) Correct Ans--Initiated by BIOS at boot-up
-Looks for CPU and Memory
-Checks to see if there is a display connected and keyboard
-If all passes, it then begins to look for a boot loader (to start the OS)
Flashing Correct Ans-The process of updating the BIOS
CMOS (complementary metal oxide semiconductor) Correct Ans-Special memory chip that
keeps certain settings when the PC is turned off and its power cord is unplugged, such as the
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