IT CH6 – Flashcards
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A ________ enables the computer to drive the speaker system.
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sound card
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A ________ uses electronic memory and has no motors or moving parts.
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solid-state drive
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A(n) ________ is an expansion card that's installed inside the system unit to translate data into images.
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video card
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All of the following are part of the machine cycle EXCEPT ________.
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encode
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All of the following are procedures you can follow to ensure your system performs reliably, EXCEPT ________.
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run key utilities only when you can observe the process
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Cache memory levels are defined by ________.
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the chip's proximity to the CPU
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In Dolby Digital 7.1, the 1 indicates a ________ speaker.
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subwoofer
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In most current systems, ________ is the type of RAM used.
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DDR3
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RAM is an example of ________ storage.
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volatile
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Running the CPU at a faster speed than the manufacturer recommends is called ________.
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overclocking
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Running the Disk Cleanup utility is a quick way to ________.
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clear out unnecessary files
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Running the Disk Defragmenter utility will ________.
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make the hard drive work more efficiently
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The CPU consists of which two parts?
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The control unit and the arithmetic logic unit
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The ________ has the largest capacity of any storage device
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mechanical hard drive
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The amount of RAM storage is measured in ________.
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GB
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The control unit is one component of the ________.
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CPU
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The processor market for desktop and laptop computers is dominated by ________.
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Intel
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The rule of thumb that predicts that CPU capacity will double every 2 years is called ________ Law.
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Moore's
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The small circuit boards that hold a series of RAM chips are called ________.
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memory modules
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The speed of a level of cache memory is impacted by ________.
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the chip's proximity to the CPU
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There are ________ levels of cache memory.
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three
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There are ________ levels of cache memory.
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3
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To remove all the changes made to your system, the Windows ________ utility returns your computer to the state it was in when it came from the factory.
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refresh
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To securely erase data, the U.S. Department of Defense suggests that the data be overwritten ________ times.
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seven
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To speed up the display of graphics, a(n) ________ is installed on some video cards.
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GPU
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When referring to hard drives, access time is measured in ________.
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milliseconds
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Which is the fastest type of optical drive on the market?
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Blu-ray drives
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Which of the follow ports is NOT used to connect to a video card?
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USB
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Which of the following activities is carried out by the ALU?
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Perform arithmetic calculations.
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Which of the following does NOT determine processor power?
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Speed of the motherboard
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Which of the following is NOT a main component of the motherboard?
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NIC
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Which of the following is NOT an optical disc format?
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Read-erasable (RE)
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Which of the following is the lightest computer?
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tablet
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Which optical disc has the greatest storage capacity?
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Blu-ray
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Which statement pertaining to system reliability is FALSE?
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An accumulation of temporary Internet files has no effect on your computer's overall performance.
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Windows uses a memory-management technique known as ________ to monitor which applications you frequently use and preloads them into your system memory.
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SuperFetch
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________ provides high-speed information processing by enabling a new set of instructions to start before the previous set is finished.
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Hyperthreading
