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How do optical discs store data?


A) A laser burns tiny pits onto a disc.
B) A magnet aligns iron particles on a platter.
C) Electronic memory records data on chips.
D) A digital spectrometer leaves grooves in a platter.

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Match each of the following terms to its meaning:

Premises
tracks
platters
seek time
sectors
latency
Responses
concentric circles on a hard drive
time required for the read/write head to move to the correct track
pie-shaped wedges on the surface of a hard drive
time needed for correct sector to spin to the read/write head
round, thin plates of metal within a mechanical hard drive

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tracks
platters
seek time
sectors
latency

Optical discs store data using tiny pits and grooves burned by a laser.

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The CPU consists of which two parts?


A) The arithmetic logic unit and the front side bus
B) The control unit and the arithmetic logic unit
C) The control unit and the front side bus
D) Cache memory and SSD storage

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________ Law predicts that the number of transistors in a CPU will double about every two years.

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Which of the following activities is carried out by the ALU?


A) Moves read/write heads
B) Performs arithmetic calculations
C) Creates virtual memory
D) Renders video images

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How many channels are in a Dolby 7.1 surround sound system?


A) 7
B) 8
C) 6
D) 12

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Solid state hybrid drives are a combination of a mechanical hard drive and an SSD drive.

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The ________ has the largest potential capacity of any storage device.

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mechanical hard driv...

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Running the CPU at a faster speed than the manufacturer recommends is called ________.


A) fetching
B) latency
C) overclocking
D) hyperthreading

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________ improves disk writing performance because data is written across two drives.

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Video cards are designed with their own RAM storage.

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Some of the cache memory of a CPU is ________.


A) inside the CPU, itself
B) on the hard disk drive
C) on a nearby SSD
D) in cloud storage

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A(n) ________ enables the computer to drive the speaker system.


A) GPU port
B) display port
C) sound card
D) PCI bus

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The audio subsystem consists of the speakers, microphone, and a(n) ________.

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Optical drives use a(n) ________ to read and write data.

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laser; hig...

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Which of the following does NOT determine a CPU's processing power?


A) Clock speed
B) Number of cores
C) Amount of cache memory
D) Speed of the motherboard

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Which of the following ports is NOT considered to be exclusively a video port?


A) HDMI
B) DVI
C) USB
D) DisplayPort

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A CPU's processing power is determined by the combination of the clock speed, the number of cores, and the amount of ________ memory.

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________ drives are 100 times faster than mechanical hard drives.

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Solid-stat...

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