identifying purposes and characteristics off processors Flashcards

1
Q

what is the role of cpu?

A

control and direct activities using buses

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2
Q

whats the largest cpu manufacturers?

A

intel and amd

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3
Q

what was used as a cpu prior to 1981?

A

dual in line package (dip)

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4
Q

what do modern cpus use as ff?

A

lga

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5
Q

what is hyperthreading a form off?

A

for of simuktaneous threading (smt)

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6
Q

what can smt do?

A

have multiple instructions operating on seperate data in parralel

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7
Q

what can htt do?

A

schedule two processes at the same time

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8
Q

what does symmetric multiprocessing (smp) do?

A

uses 2 or more processers to use the same resources

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9
Q

what must os support to take advantage of htt?

A

smp

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10
Q

what does multicore architecture have?

A

separate processor dies in the same package

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11
Q

what does systems have to be written in for smp to work?

A

parralel

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12
Q

explain intels core 2 labelling?

A

doesnt mean theres 2 processors on a single die

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13
Q

explain core 2 microarchitecture?

A

solo/duo has single die

quad has two dies

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14
Q

what is cpu throttling?

A

reducing operating frequency when in less demand or battery saving is in process

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15
Q

how can you see cpu throttling in action?

A

lower clock frquency

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16
Q

how is speed measured?

A

mhz or ghz

17
Q

what does the mb have to measure speed?

A

oscillators

18
Q

what happens when a current goes through quart crystals?

A

vibrates

19
Q

what is the piezoelectric effect?

A

when quarts crystals vibrate when a current is run through them

20
Q

what is a 32 bit/64 bit processor?

A

chunks of info per unit of time

21
Q

where is virtualisation supported in?

A

in the hardware even though its a software its built oin

22
Q

Is there a need to install gpu?

A

theyre already built in

23
Q

what is a gpu?

A

large chip on the graphics adapter

24
Q

what does gpu help minimise?

A

off package communication

25
Q

what is disable execute bit?

A

it doesnt allow any code to be erased when its in a certain place in memory location this prevents and malicious overun attacks