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1. What is used by the operating system to hold its system
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code and other programs?: Random access memory (RAM)
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2. What is an example of a server operating system?: Red Hat Enterpris
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Linux
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3. What is a fundamental building block of an operating system t
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hat keeps track of each process in memory, including whether to
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run it or wait for some event?: Process control management
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4. What is an example of a system call used by the POSIX API for P
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OSIX-based systems running UNIX, Linux, and macOS?: Read()
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5. Which part of a hard disk drive is responsible for storing actual
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data?: Platters bg


6. How do computers avoid burdening the main central processi
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ng unit (CPU) with programmed I/O (PIO)?: by offloading to a direct-memory-
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access controller bg


7. What is the primary function of the file system interface?: to provi
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de a way for the system to access and use files
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8. There are a number of different types of components of a m
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otherboard.

Which motherboard component is used for support of slower onbo
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rd periph- erals?: southbridge
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9. Which chipset is a set of circuitry that provides support to the
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slower onboard peripherals?: Southbridge
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10. Which cache memory is the smallest but fastest?: L1
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11. Which memory type is stored on a drive and is refer
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red to as a paging file?: virtual RAM
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12. Which memory type is characterized by its independenc
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e from the CPU's external clock?: Asynchronous DRAM
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13. Which memory type shares a common clock signal wit
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h the computer's system-bus clock?: Synchronous DRAM
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14. What is used by the operating system to hold its syst
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em code and other programs?: random access memory (RAM)
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, D386 WGU PA bg bg


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15. Whatbgisbgabgfundamentalbgbuildingbgblockbgofbganbgoperatingbgsyste
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m that keeps track of each process in memory, including whethe
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r to run it or wait for some event?: Process control unit
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