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Instruction:

- Total number of questions :
**20**. - Time alloted :
**30**minutes. - Each question carry 1 mark, no negative marks.
- DO NOT refresh the page.
- All the best :-).

1. | In the keypad HDL encoder, as long as all columns are high the ring counter is enabled and counting. |
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Your Answer: Option (Not Answered) Correct Answer: Option A Learn more problems on : Digital System Projects Using HDL Discuss about this problem : Discuss in Forum |

2. | A certain gate draws 1.8 A when its output is HIGH and 3.3 µA when its output is LOW. V |
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Your Answer: Option (Not Answered) Correct Answer: Option C Learn more problems on : Integrated Circuit Technologies Discuss about this problem : Discuss in Forum |

3. | In a 4-bit R/2R ladder digital-to-analog converter, because of negative feedback, the operational amplifier keeps the inverting (minus) input near ________. |
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Your Answer: Option (Not Answered) Correct Answer: Option B Learn more problems on : Digital Signal Processing Discuss about this problem : Discuss in Forum |

4. | The special function registers can be referred to by their hex addresses or by their register names. |
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Your Answer: Option (Not Answered) Correct Answer: Option A Learn more problems on : The 8051 Microcontroller Discuss about this problem : Discuss in Forum |

5. | Which of the following summarizes the important features of emitter-coupled logic (ECL)? |
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Your Answer: Option (Not Answered) Correct Answer: Option A Learn more problems on : Logic Families and Their Characteristics Discuss about this problem : Discuss in Forum |

6. | The phenomenon of interpreting unwanted signals on |
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Your Answer: Option (Not Answered) Correct Answer: Option B Learn more problems on : Flip-Flops Discuss about this problem : Discuss in Forum |

7. | Antifuse devices are volatile. |
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Your Answer: Option (Not Answered) Correct Answer: Option B Learn more problems on : Programmable Logic Device Discuss about this problem : Discuss in Forum |

8. | What is the major advantage of the |
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Your Answer: Option (Not Answered) Correct Answer: Option C Learn more problems on : Interfacing to the Analog World Discuss about this problem : Discuss in Forum |

9. | In a frequency counter, what happens at high frequencies when the sampling interval is too long? |
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Your Answer: Option (Not Answered) Correct Answer: Option D Learn more problems on : Digital System Projects Using HDL Discuss about this problem : Discuss in Forum |

10. | Computers operate on data internally in a ________ format. |
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Your Answer: Option (Not Answered) Correct Answer: Option C Learn more problems on : Shift Registers Discuss about this problem : Discuss in Forum |

11. | Assume that a 4-bit serial in/serial out shift register is initially clear. We wish to store the nibble 1100. What will be the 4-bit pattern after the second clock pulse? (Right-most bit first.) |
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Your Answer: Option (Not Answered) Correct Answer: Option C Learn more problems on : Shift Registers Discuss about this problem : Discuss in Forum |

12. | Why does the data sheet for the 7476 only give a minimum value for the clock pulse width (both HIGH and LOW)? |
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Your Answer: Option (Not Answered) Correct Answer: Option C Learn more problems on : Digital Design Discuss about this problem : Discuss in Forum |

13. | A full adder has a carry-in. |
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Your Answer: Option (Not Answered) Correct Answer: Option A Learn more problems on : Digital Arithmetic Operations and Circuits Discuss about this problem : Discuss in Forum |

14. | Which timing diagram shown below is correct for an inverter? |
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Your Answer: Option (Not Answered) Correct Answer: Option B Learn more problems on : Describing Logic Circuits Discuss about this problem : Discuss in Forum |

15. | The commutative law of addition and multiplication indicates that: |
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Your Answer: Option (Not Answered) Correct Answer: Option C Learn more problems on : Boolean Algebra and Logic Simplification Discuss about this problem : Discuss in Forum |

16. | In a register stack, data moves up but not down. |
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Your Answer: Option (Not Answered) Correct Answer: Option B Learn more problems on : Memory and Storage Discuss about this problem : Discuss in Forum |

17. | Generally speaking, the synchronous counter requires more circuitry than an asynchronous counter. |
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Your Answer: Option (Not Answered) Correct Answer: Option A Learn more problems on : Counters Discuss about this problem : Discuss in Forum |

18. | The data sheet for the 74 series of TTL ICs shows that |
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Your Answer: Option (Not Answered) Correct Answer: Option B Learn more problems on : Integrated-Circuit Logic Families Discuss about this problem : Discuss in Forum |

19. | A ferromagnetic material is one that forms a resistance to magnetic fields. |
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Your Answer: Option (Not Answered) Correct Answer: Option B Learn more problems on : Shift Registers Discuss about this problem : Discuss in Forum |

20. | The two digits in the binary number system are ___ and ___. |
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Your Answer: Option (Not Answered) Correct Answer: Option D Learn more problems on : Number Systems and Codes Discuss about this problem : Discuss in Forum |

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