Discussion
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- Question
________ is the highest-value seven-bit binary number.
Options- A. 128
- B. 127
- C. 126
- D. 125
- Correct Answer
- 127
- 1. Memory devices that use electronic latching circuits are called ________.
Options- A. RAM
- B. flip-flops
- C. magnetic tape
- D. DRAM Discuss
- 2. Other ________ are often used to interpret or represent binary quantities for the convenience of the people who work with and use these digital systems.
Options- A. analog systems
- B. digital systems
- C. number systems
- D. binary systems Discuss
- 3. The set of instructions for a computer is called a(n) ________.
Options- A. program
- B. input
- C. output
- D. control unit Discuss
- 4. To determine which of two binary numbers is larger, you could use a(n) ________.
Options- A. register
- B. adder
- C. encoder
- D. magnitude comparator Discuss
- 5. Demultiplexing is a logic function that ________.
Options- A. determines which of several inputs is the greatest
- B. switches logic from one input to any of several output lines
- C. switches logic from several inputs onto one output line
- D. converts a code from one form to another Discuss
- 6. In a typical digital system, Logic 0 is 0V?0.8V, and Logic 1 is ________.
Options- A. 2?5V
- B. 2.5?5V
- C. 3.0?5.5V
- D. 3.5?5.5V Discuss
- 7. In a positive logic system, the HIGH level is usually represented by ________.
Options- A. 0 V
- B. +1 V
- C. +5 V
- D. +9 V Discuss
- 8. 1/4 as a binary number would be ________.
Options- A. 0.01
- B. 0.11
- C. 0.10
- D. 0.00 Discuss
- 9. The rise-time of a pulse is normally measured between the ________.
Options- A. 0 and 100% level
- B. 10% and 90% level
- C. 30% and 70% level
- D. 50% level on the leading edge to the 50% level on the trailing edge Discuss
- 10. The quantity represented by #1 in the given figure is ________.
Options- A. VH(max)
- B. VL(min)
- C. VH(min)
- D. VL(max) Discuss
Digital Concepts problems
Search Results
Correct Answer: flip-flops
Correct Answer: number systems
Correct Answer: program
Correct Answer: magnitude comparator
Correct Answer: switches logic from one input to any of several output lines
Correct Answer: 2?5V
Correct Answer: +5 V
Correct Answer: 0.01
Correct Answer: 10% and 90% level
Correct Answer: VL(max)
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