Memory and Storage Questions and Answers

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Showing 10 of 131 questions
Q1
How many address bits are needed to select all memory locations in the 2118 16K × 1 RAM?
  • A 8
  • B 10
  • C 14
  • D 16
Answer: Option C
Q2
The check sum method of testing a ROM:
  • A indicates if the data in more than one memory location is incorrect.
  • B provides a means for locating and correcting data errors in specific memory locations.
  • C allows data errors to be pinpointed to a specific memory location.
  • D simply indicates that the contents of the ROM are incorrect.
Answer: Option D
Q3
What is the meaning of RAM, and what is its primary role?
  • A Readily Available Memory; it is the first level of memory used by the computer in all of its operations.
  • B Random Access Memory; it is memory that can be reached by any sub- system within a computer, and at any time.
  • C Random Access Memory; it is the memory used for short-term temporary data storage within the computer.
  • D Resettable Automatic Memory; it is memory that can be used and then automatically reset, or cleared, after being read from or written to.
Answer: Option C
Q4
The storage element for a static RAM is the ________.
  • A diode
  • B resistor
  • C capacitor
  • D flip-flop
Answer: Option D
Q5
In a DRAM, what is the state of R/W during a read operation?
  • A Low
  • B High
  • C Hi-Z
  • D None of the above
Answer: Option B
Q6
The condition occurring when two or more devices try to write data to a bus simultaneously is called ________.
  • A address decoding
  • B bus contention
  • C bus collisions
  • D address multiplexing
Answer: Option B
Q7
Which is/are the basic refresh mode(s) for dynamic RAM?
  • A Burst refresh
  • B Distributed refresh
  • C Open refresh
  • D Burst refresh and distributed refresh
Answer: Option D
Q8
One of the most important specifications on magnetic media is the ________.
  • A rotation speed
  • B tracks per inch
  • C data transfer rate
  • D polarity reversal rate
Answer: Option C
Q9
A 64-bit word consists of ________.
  • A 4 bytes
  • B 8 bytes
  • C 10 bytes
  • D 12 bytes
Answer: Option B
Q10
The reason the data outputs of most ROM ICs are tristate outputs is to:
  • A allow for three separate data input lines.
  • B allow the bidirectional flow of data between the bus lines and the ROM registers.
  • C permit the connection of many ROM chips to a common data bus.
  • D isolate the registers from the data bus during read operations.
Answer: Option C

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