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Home ‣ Digital Electronics ‣ Memory and Storage Comments
  • Question

  • Which of the following faults will the checkerboard pattern test for in RAM?


  • Options
  • A. Short between adjacent cells
  • B. Ability to store both 0s and 1s
  • C. Dynamically introduced errors between cells
  • D. All of the above

  • Correct Answer
  • All of the above 

    • Memory and Storage problems

    Search Results

    • 1. What does the term "random access" mean in terms of memory?

    • Options
    • A. Addresses must be accessed in a specific order.
    • B. Any address can be accessed in any order.
      • Discuss
    • 2. What is a major disadvantage of RAM?

    • Options
    • A. Its access speed is too slow.
    • B. Its matrix size is too big.
    • C. It is volatile.
    • D. High power consumption
      • Discuss
    • 3. The RAM circuit given below is suspected of being bad. A check with a logic probe shows pulse activity on all of the address lines and data inputs. The / line and inputs are forced HIGH and the data output lines are checked with the logic probe. Q0, Q2, and Q3 show a dim indication on the logic probe; Q1 indicates a HIGH level on the logic probe. What, if anything, is wrong with the circuit?


    • Options
    • A. The Q0, Q2, and Q3 output lines are open; the chip is defective.
    • B. The Q1 line appears to be shorted to Vcc; replace the chip.
    • C. The outputs should be active only when the / line is held LOW, so the circuit is behaving normally considering the fact that the line is HIGH.
    • D. The EN input should be forced HIGH and the outputs rechecked; if they are still giving the same indications as before, then the three outputs are definitely open and the IC will have to be replaced.
      • Discuss
    • 4. Select the statement that best describes the fusible-link PROM.

    • Options
    • A. user-programmable, one-time programmable
    • B. manufacturer-programmable, one-time programmable
    • C. user-programmable, reprogrammable
    • D. manufacturer-programmable, reprogrammable
      • Discuss
    • 5. L1 is known as ________.

    • Options
    • A. primary cache
    • B. secondary cache
    • C. DRAM
    • D. SRAM
      • Discuss
    • 6. Which of the following best describes volatile memory?

    • Options
    • A. memory that retains stored information when electrical power is removed
    • B. memory that loses stored information when electrical power is removed
    • C. magnetic memory
    • D. nonmagnetic
      • Discuss
    • 7. The periodic recharging of DRAM memory cells is called ________.

    • Options
    • A. multiplexing
    • B. bootstrapping
    • C. refreshing
    • D. flashing
      • Discuss
    • 8. Which of the following best describes EPROMs?

    • Options
    • A. EPROMs can be programmed only once.
    • B. EPROMs can be erased by UV.
    • C. EPROMs can be erased by shorting all inputs to the ground.
    • D. All of the above.
      • Discuss
    • 9. The smallest unit of binary data is the ________.

    • Options
    • A. bit
    • B. nibble
    • C. byte
    • D. word
      • Discuss
    • 10. How many address lines would be required for a 2K × 4 memory chip?

    • Options
    • A. 8
    • B. 10
    • C. 11
    • D. 12
      • Discuss

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