Exam 4: The Components of the System Unit
Exam 1: Introduction to Computers191 Questions
Exam 2: The Internet and World Wide Web191 Questions
Exam 3: Application Software191 Questions
Exam 4: The Components of the System Unit191 Questions
Exam 5: Input181 Questions
Exam 6: Output191 Questions
Exam 7: Storage191 Questions
Exam 8: Operating Systems and Utility Programs191 Questions
Exam 9: Communications and Networks181 Questions
Exam 10: Database Management191 Questions
Exam 11: Computer Security, Ethics, and Privacy191 Questions
Exam 12: Information System Development191 Questions
Exam 13: Programming Languages and Program Development191 Questions
Exam 14: Enterprise Computing191 Questions
Exam 15: Computer Careers and Certification191 Questions
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A system bus allows the processor to communicate with peripherals.
(True/False)
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The case of the system unit is made of metal or plastic and protects the internal electronic components from damage.
(True/False)
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A(n) _________________________ is a removable flash memory device about one-half the size of a PC Card that adds memory, communications, and multimedia capabilities to mobile computers.
(Short Answer)
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Together, four operations (fetching, decoding, executing, and storing) comprise a(n) ____ cycle.
(Multiple Choice)
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A(n) ____ digit is the smallest unit of data the computer can process.
(Multiple Choice)
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_________________________ is a type of nonvolatile memory that can be erased electronically and reprogrammed, similar to EEPROM.
(Short Answer)
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A(n) _________________________, such as a keyboard or printer, is a device that connects to the system unit and is controlled by the processor in the computer.
(Short Answer)
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Manufacturers state the size of memory chips and storage devices in terms of the number of bytes the chip or device has available for storage.
(True/False)
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Most of today's computers improve processing time with ____, which stores frequently used instructions and data.
(Multiple Choice)
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Rambus DRAM (RDRAM) chips are another type of DRAM chips that are much faster than SDRAM chips because they ____.
(Multiple Choice)
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The amount of RAM necessary in a computer is unrelated to the type of software used.
(True/False)
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When the processor needs an instruction or data, it searches memory in this order: L1 cache, then L2 cache, then L3 cache (if it exists), then RAM - with a greater delay in processing for each level it must search.
(True/False)
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A processor contains small high-speed storage locations, called ____, that temporarily hold data and instructions.
(Multiple Choice)
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____ time is the amount of time it takes the processor to read data, instructions, and information from memory.
(Multiple Choice)
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Figure 4-4 A(n) _________________________ like that in Figure 4-4 is an interface that can connect up to 127 different peripherals together with a single connector.

(Short Answer)
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____ cache is a type of cache that helps speed the processes of a computer because it stores frequently used instructions and data.
(Multiple Choice)
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____ is a cache separate from the processor chip on the motherboard.
(Multiple Choice)
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