Exam (elaborations)
Module 3 Unit 4
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Exam of 2 pages for the course Module 3 Unit 4 at Module 3 Unit 4 (Module 3 Unit 4)
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MODULE 3 UNIT 4 QUESTIONS/ANSWERS WITH VERIFIED SOLUTION
You xhave xa xmotherboard xthat xis xdesigned xfor xDDR2 xmemory xthat xworks xat xa xbus xspeed xof x533
xMHz. xYou xhave xsome xDDR3 xmemory xmodules xthat xalso xwork xat xa xbus xspeed xof x533 xMHz. xAre xthe
xmodules xcompatible xwith xthe xmotherboard? x- xNo—DDR3 xmodules xcannot xbe xused xin xDDR2 xslots.
Why xcan't xyou xuse xmemory xmodules xdesigned xfor xa xdesktop xcomputer xin xa xlaptop? x- xLaptops xuse
xa xsmaller xform xfactor xcalled xSO-DIMM xwhile xdesktops xuse xDIMMs
A xhard xdrive xis xrated xat x10,000 xRPM. xWhat xis xthe xsignificance xof xthis xstatistic? x- xThe xnumber xof
xrevolutions xper xminute x(RPM) xis xone xof xthe xbasic xfactors xdetermining xthe xspeed xof xthe xdrive.
x10,000 xrpm xrepresents xgood xperformance x(15K xrpm xis xthe xbest xavailable).
What xtype xof xconnector xwould xyou xuse xfor xan xexternal xhard xdrive xto xconnect xto xa xWindows xPC? x-
xUSB. xFirewire, xeSATA, xor xThunderbird xare xalso xpossible xbut xnot xnearly xso xpopular. xMost xdrives xare
xnow xUSB3 xor xUSB3.1. xNote xthat xyou xcan xplug xa xUSB3 xdrive xinto xa xUSB2 xport, xso xlong xas xyou xhave
xa xUSB3 xdevice xcable.
Your xcomputer xhas x4 xSATA xports. xHow xmany xhard xdrives xcan xbe xinstalled? x- xFour—each xSATA xport
xcan xbe xused xto xconnect xone xdrive.
True xor xfalse? xA xsingle xlayer xBlu-ray xDisc xhas xgreater xcapacity xthan xa xduallayer, xdouble-sided xDVD. x-
xTrue—the xcapacity xof xa xsingle xlayer xBlu-ray xdisc xis x25 xGB xcompared xto x17 xGB xfor xa xdual-layer,
xdouble-sided xDVD
What xsort xof xdevice xwould xyou xneed xto xtransfer xdata xfrom xa x"Memory xStick?" x- xMemory xcard
xreader/multi-card xreader. xDo xnote xthat xMemory xSticks xare xno xlonger xin xproduction xso xyou xcould
xstruggle xto xlocate xa xsuitable xreader.
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