Digital Electronics: Counters and Frequency Dividers
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Questions and Answers

What type of counters are discussed on page 262?

  • Down Counters
  • Self-Stopping Counters
  • Mod-10 Ripple Counters (correct)
  • Synchronous Counters

What is the topic of section 8-12?

  • Using Counters-An Experimental Tachometer (correct)
  • Counters as Frequency Dividers
  • Troubleshooting a Counter
  • Counting Real-World Events

What type of shift register is discussed in section 9-2?

  • Serial-Load Shift Registers
  • Universal Shift Register
  • 8-Bit CMOS Shift Register
  • Parallel-Load Shift Registers (correct)

What is the title of the chapter that discusses Shift Registers?

<p>Chapter 9: Shift Registers (A)</p> Signup and view all the answers

What is the page number for the topic 'TTL IC Counters'?

<p>272 (C)</p> Signup and view all the answers

What is the topic of section 8-13?

<p>Troubleshooting a Counter (A)</p> Signup and view all the answers

What is the output of a NAND gate when all inputs are HIGH?

<p>LOW (B)</p> Signup and view all the answers

What is the logical NANDing of inputs A and B represented as?

<p>(AB)' (A)</p> Signup and view all the answers

In a NAND gate, what condition generates a LOW output?

<p>When all inputs are HIGH (D)</p> Signup and view all the answers

What is the symbol used to represent the NAND gate?

<p>(A), (B), (C)</p> Signup and view all the answers

How many methods are described to represent the logical NANDing of two variables?

<p>4 (A)</p> Signup and view all the answers

What is the NAND output column in Fig. 3-21?

<p>All 1s except for the last line (B)</p> Signup and view all the answers

What is included in the Experiments Manual for Digital Electronics?

<p>A variety of hands-on lab exercises and experiments, and additional problems for each chapter (A)</p> Signup and view all the answers

What is the primary focus of the revised microcontrollers section in Chapter 13?

<p>Application of a microcontroller with photo input and servo motor output (D)</p> Signup and view all the answers

What is available on the Online Learning Center (OLC) at www.mhhe.com/tokheim8e?

<p>Comprehensive Multisim files, keyed to circuits found in the eighth edition (A)</p> Signup and view all the answers

What is not included on the website www.mhhe.com/tokheim8e?

<p>The Multisim program itself (C)</p> Signup and view all the answers

What is the focus of the updated data transmission section in Chapter 13?

<p>Data transmission and internet research topics (C)</p> Signup and view all the answers

What is included in Chapter 14?

<p>Expanded self-test questions (A)</p> Signup and view all the answers

What does the invert bubble at the input of a logic symbol commonly represent?

<p>An active-LOW input (A)</p> Signup and view all the answers

Which of the following Boolean expressions represents the AND gate alone?

<p>A · B = Y (B), A · B = Y (C)</p> Signup and view all the answers

What is the purpose of adding inverters to a logic symbol in Boolean expression form?

<p>To change the output of the logic function to its opposite (D)</p> Signup and view all the answers

What is the name of the theorem that can be used to convert simple logic functions to fundamental AND or OR circuits?

<p>DeMorgan's theorem (C)</p> Signup and view all the answers

What is the purpose of the truth table in Fig. 3-49?

<p>To illustrate the logic function of the NAND gate (C)</p> Signup and view all the answers

What is the difference between the two NAND symbols in Fig. 3-49?

<p>One has the inverter at the output and the other has the inverter at the input (D)</p> Signup and view all the answers

What happens when the push-button switch in Fig. 5-11(a) is pressed?

<p>The input of the TTL inverter drops to ground level (A)</p> Signup and view all the answers

What is the purpose of the 10-kΩ resistor in Fig. 5-11(b)?

<p>To ensure the input goes HIGH when the switch is open (B)</p> Signup and view all the answers

What happens when the push-button switch in Fig. 5-11(a) is released?

<p>The input of the TTL inverter floats (A)</p> Signup and view all the answers

What is the typical behavior of floating inputs in TTL circuits?

<p>They are not dependable (C)</p> Signup and view all the answers

What type of digital circuits are depicted in Fig. 5-11?

<p>Both TTL and CMOS circuits (D)</p> Signup and view all the answers

What is the voltage level of the input to the TTL inverter when the switch is open in Fig. 5-11(b)?

<p>+5V level (B)</p> Signup and view all the answers

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