Questions and answers for exam Preparation

MCQs

Total Questions : 215 | Page 10 of 22 pages

Question 91. How many address bits are needed to select all memory locations in the 2118 16K × 1 RAM?

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Answer: Option C. -> 14

Question 92. The check sum method of testing a ROM:

indicates if the data in more than one memory location is incorrect.
provides a means for locating and correcting data errors in specific memory locations.
allows data errors to be pinpointed to a specific memory location.
simply indicates that the contents of the ROM are incorrect.

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Answer: Option C. -> allows data errors to be pinpointed to a specific memory location.

Question 93. The storage element for a static RAM is the ________.

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Answer: Option D. -> flip-flop

Question 94. In a DRAM, what is the state of R/W during a read operation?

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Answer: Option B. -> High

Question 95. The condition occurring when two or more devices try to write data to a bus simultaneously is called ________.

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Answer: Option B. -> bus contention

Question 96. What is the meaning of RAM, and what is its primary role?

Readily Available Memory; it is the first level of memory used by the computer in all of its operations.
Random Access Memory; it is memory that can be reached by any sub- system within a computer, and at any time.
Random Access Memory; it is the memory used for short-term temporary data storage within the computer.
Resettable Automatic Memory; it is memory that can be used and then automatically reset, or cleared, after being read from or written to.

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Answer: Option C. -> Random Access Memory; it is the memory used for short-term temporary data storage within the computer.

Question 97. Which is/are the basic refresh mode(s) for dynamic RAM?

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Answer: Option D. -> Burst refresh and distributed refresh

Question 98. One of the most important specifications on magnetic media is the ________.

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Answer: Option C. -> data transfer rate

Question 99. A 64-bit word consists of ________.

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Answer: Option B. -> 8 bytes

Question 100. . Select the statement that best describes Read-Only Memory (ROM).

nonvolatile, used to store information that changes during system operation
nonvolatile, used to store information that does not change during system operation
volatile, used to store information that changes during system operation
volatile, used to store information that does not change during system operation

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Answer: Option B. -> nonvolatile, used to store information that does not change during system operation