logo

CuriousTab

CuriousTab

Discussion

Home ‣ Digital Electronics ‣ Interfacing to the Analog World See What Others Are Saying!
  • Question

  • What is the current in R1 and the current in R2 for the circuit shown below?

    What is the current in R1 and the current in R2 for the circuit shown below? I1 = 0.416 mA, I2 = 0.4


  • Options
  • A. I1 = 0.416 mA, I2 = 0.416 mA
  • B. I1 = 0.357 mA, I2 = 0.357 mA
  • C. I1 = 1.25 mA, I2 = 0.625 mA
  • D. I1 = 0.625 mA, I2 = 1.25 mA

  • Correct Answer
  • I1 = 0.625 mA, I2 = 1.25 mA 

    • More questions

    • 1. The major blocks of the frequency counter are the counter, ________, decoder/display, and the timing and control unit.

    • Options
    • A. signal prescaler
    • B. control inputs
    • C. signal generator
    • D. display register
      • Discuss
    • 2. Shift register counters use logic functions to reset the registers when the desired count is reached.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. The software used to drive a microprocessor-based system is called FORTRAN.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. The time delay called access time, tac, is a measure of the ROM's operating speed.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. The 8051 has ________ 16-bit counter/timers.

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
      • Discuss
    • 6. The CPU (Central Processing Unit) is composed of memory and outputs.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. Using separate serial inputs for shifting left or shifting right is a major difference between the 74194 and other shift registers.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. The time interval on the leading edge of a pulse between 10% and 90% of the amplitude is the rise time.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. In the keypad HDL encoder, the ts bit array represents a tristate buffer.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. ________ is a mature technology consisting of numerous subfamilies that have been developed over many years of use.

    • Options
    • A. TTL
    • B. CMOS
    • C. ECL
    • D. None of the above
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.