310.hw.datastorage

310.hw.datastorage - ch5 Multiple Choice Identify the...

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ch5 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. Which of the following provides the interface between the storage device and the system bus? a. RAM c. Read/Write mechanism b. ROM d. Device controller ____ 2. Which of the following is not one of the characteristics that distinguishes storage devices? a. Speed c. Volatility b. Size d. Portability ____ 3. Which of the following reduces CPU and computer system performance? a. Wait state c. Storage medium b. Registers d. Device controller ____ 4. Access time is typically stated in ____ for secondary storage devices and nanoseconds for primary storage devices. a. microseconds c. milliseconds b. nanoseconds d. picoseconds ____ 5. The data transfer rate of a primary storage device is computed by dividing 1 by the access time and multiply- ing the result by the ____. a. rotational delay c. unit of data transfer b. head-to-head switching time d. track-to-track seek time ____ 6. For most disk drives the unit of data access and transfer is ____. a. 15 bytes c. 256 bytes b. 16 bytes d. 512 bytes ____ 7. Tape drives are ____ access devices. a. direct c. random b. serial d. average ____ 8. Which of the following is not a direct access storage device? a. magnetic disk c. magnetic tape b. optical disk d. RAM ____ 9. Which of the following storage device stores and retrieves data items in sequential order? a. Random c. Serial b. Parallel d. Linear ____ 10. Which of the following statements is not correct? a.
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310.hw.datastorage - ch5 Multiple Choice Identify the...

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