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Instruction:

- Total number of questions :
**20**. - Time alloted :
**30**minutes. - Each question carry 1 mark, no negative marks.
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- All the best :-).

1. | Sample-and-hold circuits in A/D converters are designed to: |
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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 |

2. | Both registers TL0 and TL1 are needed to start Timer 0. |
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Your Answer: Option (Not Answered) Correct Answer: Option B Learn more problems on : The 8051 Microcontroller Discuss about this problem : Discuss in Forum |

3. | The summing outputs of a half- or full-adder are designated by which Greek symbol? |
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Your Answer: Option (Not Answered) Correct Answer: Option D Learn more problems on : Digital Arithmetic Operations and Circuits Discuss about this problem : Discuss in Forum |

4. | Convert each of the signed decimal numbers to an 8-bit signed binary number (two's-complement). |
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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 |

5. | A frequency counter ________ a signal. |
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Your Answer: Option (Not Answered) Correct Answer: Option C Learn more problems on : Digital System Projects Using HDL Discuss about this problem : Discuss in Forum |

6. | In the stepper motor, the half-step sequence is used when ________. |
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Your Answer: Option (Not Answered) Correct Answer: Option C Learn more problems on : Digital System Projects Using HDL Discuss about this problem : Discuss in Forum |

7. | The schematic editor allows you to connect with predefined logic symbols. |
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Your Answer: Option (Not Answered) Correct Answer: Option A Learn more problems on : Programmable Logic Device Discuss about this problem : Discuss in Forum |

8. | ROMs are used to store data on a permanent basis. |
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Your Answer: Option (Not Answered) Correct Answer: Option A Learn more problems on : Memory and Storage Discuss about this problem : Discuss in Forum |

9. | A sign bit of "1" in the difference of a 2's-complement subtraction problem indicates the magnitude is negative and in true binary form. |
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Your Answer: Option (Not Answered) Correct Answer: Option B Learn more problems on : Digital Arithmetic Operations and Circuits Discuss about this problem : Discuss in Forum |

10. | The two's-complement method is used in computer systems that perform arithmetic. |
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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 |

11. | The binary value of 1010 is converted to the product term . |
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Your Answer: Option (Not Answered) Correct Answer: Option B Learn more problems on : Boolean Algebra and Logic Simplification Discuss about this problem : Discuss in Forum |

12. | The simplified form of . |
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Your Answer: Option (Not Answered) Correct Answer: Option B Learn more problems on : Combinational Logic Circuits Discuss about this problem : Discuss in Forum |

13. | How many different states does a 3-bit asynchronous counter have? |
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Your Answer: Option (Not Answered) Correct Answer: Option C Learn more problems on : Counters Discuss about this problem : Discuss in Forum |

14. | The time required to complete a conversion cycle is called conversion time. |
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Your Answer: Option (Not Answered) Correct Answer: Option A Learn more problems on : Interfacing to the Analog World Discuss about this problem : Discuss in Forum |

15. | The problem of the V |
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Your Answer: Option (Not Answered) Correct Answer: Option D Learn more problems on : Logic Families and Their Characteristics Discuss about this problem : Discuss in Forum |

16. | In a positive logic system, the logic LOW could be between 0 V and 0.8 V. |
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Your Answer: Option (Not Answered) Correct Answer: Option A Learn more problems on : Digital Concepts Discuss about this problem : Discuss in Forum |

17. | One can safely state that the output lines for a demultiplexer are under the direct control of the: |
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Your Answer: Option (Not Answered) Correct Answer: Option A Learn more problems on : MSI Logic Circuits Discuss about this problem : Discuss in Forum |

18. | Referring to the GAL diagram, which is the correct logic function? |
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Your Answer: Option (Not Answered) Correct Answer: Option A Learn more problems on : Combinational Logic Analysis Discuss about this problem : Discuss in Forum |

19. | The inverter can be produced with how many NAND gates? |
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Your Answer: Option (Not Answered) Correct Answer: Option A Learn more problems on : Combinational Logic Analysis Discuss about this problem : Discuss in Forum |

20. | The minimum number of flip-flops that can be used to construct a modulus-5 counter is ________. |
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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 |

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