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  • Question
  • A high-pass filter:


  • Options
  • A. passes lower-frequency signals and reduces higher-frequency signals
  • B. passes higher-frequency signals and reduces lower-frequency signals
  • C. has no effect on ac signals
  • D. increases the level of all frequencies by a significant amount
  • E. None of the above

  • Correct Answer
  • passes higher-frequency signals and reduces lower-frequency signals 


  • Electronic Principles problems


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    • 1. Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA?

    • Options
    • A. 0.17 V
    • B. 10.17 V
    • C. 20 V
    • D. 18.8 V
    • E. None of the above
    • Discuss
    • 2. Which one of the following statements is true for current flowing in a parallel circuit?

    • Options
    • A. The amount of current flow through each branch of a parallel circuit can be different, depending on the resistance of each branch part and the amount of voltage applied to it
    • B. The same current always flows through every part of a parallel circuit
    • C. The total current in a parallel circuit is equal to the total voltage multiplied by the total resistance
    • D. The total current in a parallel circuit is always less than the smallest amount of current
    • E. None of the above
    • Discuss
    • 3. A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current?

    • Options
    • A. 7.8 mA
    • B. 208 mA
    • C. 200 mA
    • D. 300 mA
    • E. None of the above
    • Discuss
    • 4. What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz?

    • Options
    • A. less than 1 Ohm
    • B. 1590 Ohm
    • C. 312 Ohm
    • D. 690 Ohm
    • E. None of the above
    • Discuss
    • 5. A device that converts mechanical into electrical energy is?

    • Options
    • A. solar cell
    • B. thermocouple
    • C. chemical cell
    • D. generator
    • E. None of the above
    • Discuss
    • 6. Indicate which of the following is not true about 4GL?

    • Options
    • A. 4GL does not support a high-level of screen interaction
    • B. Many database management system packages support 4GLs
    • C. A 4GL is a software tool which is written, possibly, in some third generation language
    • D. All of the above
    • Discuss
    • 7. A translator which reads an entire programme written in a high level language and converts it into machine language code is:

    • Options
    • A. assembler
    • B. translator
    • C. compiler
    • D. system software
    • Discuss
    • 8. The advantage(s) inherent to using high level languages is/are:

    • Options
    • A. Fewer people, less management and shorter transition in learning time
    • B. Improved debugging capability, and superior documentation
    • C. A greater degree of machine independence
    • D. All of the above
    • Discuss
    • 9. An Interpreter is

    • Options
    • A. is a program that appears to execute a source program as if it were machine language
    • B. a program that automate the translation of assembly language into machine language
    • C. program that accepts a program written in a high level language and produces an object program
    • D. a program that places programs into memory and prepares them for execution
    • Discuss
    • 10. Which of the following functions is/ are performed by the loader?

    • Options
    • A. Allocate space in memory for the programs and resolve symbolic references between object decks
    • B. Physically place the machine instructions and data into memory
    • C. Adjust all address dependent locations, such as address constants, to correspond to the allocated space
    • D. All of the above
    • Discuss


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