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Home Digital Electronics Memory and Storage See What Others Are Saying!
  • Question
  • ROMs are used to store data on a permanent basis.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 


  • More questions

    • 1. The dc noise margins calculated using the proper values from a standard TTL data sheet are the worst-case margins. The typical dc noise margins are usually somewhat higher.

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. There are several ways to construct a stepper motor to achieve digitally controlled stepping action. One possibility is to construct four stator coils set up as four pole pairs, each 45° apart and using three ferromagnetic pairs spaced 60° apart.

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. One CASE construct inside another CASE construct is called a do-loop.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. As a general rule, the lower the value of the speed?power product, the better the device because of its:

    • Options
    • A. long propagation delay and high power consumption
    • B. long propagation delay and low power consumption
    • Discuss
    • 5. For the device shown here, assume the D input is LOW, both S inputs are HIGH, and the input is HIGH. What is the status of the outputs?


    • Options
    • A. All are HIGH.
    • B. All are LOW.
    • C. All but are LOW.
    • D. All but are HIGH.
    • Discuss
    • 6. How many 8 k × 1 RAMs are required to achieve a memory with a word capacity of 8 k and a word length of eight bits?

    • Options
    • A. Eight
    • B. Four
    • C. Two
    • D. One
    • Discuss
    • 7. Which of the following testing procedures has one or more external moving parts?

    • Options
    • A. Bed-of-nails
    • B. Flying probe
    • C. EXTEST
    • D. Boundary scan
    • Discuss
    • 8. A gated S-R flip-flop is in the hold condition whenever ________.

    • Options
    • A. the Gate Enable is HIGH
    • B. the Gate Enable is LOW
    • C. the S and R inputs are both LOW
    • D. the Gate Enable is HIGH and the S and R inputs are both LOW
    • Discuss
    • 9. Offset is the characteristic of a DAC defined by the absence of any incorrect step reversals.

    • Options
    • A. True
    • B. False
    • Discuss
    • 10. Zeros may be added to the left of the MSB to produce even groups of 4 bits when converting from binary to hexadecimal.

    • Options
    • A. True
    • B. False
    • Discuss


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