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- Question
The output of a NAND gate is LOW when all inputs are HIGH at the same time.
Options- A. True
- B. False
- Correct Answer
- True
- 1. In a real project, the first step of definition often involves some ________ on the part of the project manager.
Options- A. time
- B. skill
- C. research
- D. management Discuss
- 2. The control and arithmetic/logic units are often considered as one unit called the ________.
Options- A. central processing unit
- B. inputs and outputs
- C. microcomputer
- D. arithmetic/logic unit Discuss
- 3. The basic comparator evaluates two binary strings bit by bit and always outputs a 1.
Options- A. True
- B. False Discuss
- 4. The proliferation of small handheld consumer equipment such as digital video cameras, cellular phones, handheld computers (________), portable audio systems, and other devices has created a need for logic circuits in very small packages.
Options- A. HDLs
- B. GDAs
- C. PDAs
- D. TTLs Discuss
- 5. The given circuit is a(n) ________.
Options- A. three-bit synchronous binary counter
- B. eight-bit asynchronous binary flip-flop
- C. two-bit asynchronous binary counter
- D. four-bit asynchronous binary counter Discuss
- 6. The process of designing a synchronous counter that will count in a nonbinary manner is primarily based on:
Options- A. external logic circuits that decode the various states of the counter to apply the correct logic levels to the J-K inputs
- B. modifying BCD counters to change states on every second input clock pulse
- C. modifying asynchronous counters to change states on every second input clock pulse
- D. elimination of the counter stages and the addition of combinational logic circuits to produce the desired counts Discuss
- 7. Which of the following is not a basic Boolean operation?
Options- A. OR
- B. NOT
- C. AND
- D. FOR Discuss
- 8. The two's complement of 00001111 is ________.
Options- A. 11111111
- B. 11110000
- C. 11110001
- D. 11110111 Discuss
- 9. A type of memory that is accessed serially (one location after the other) is a ________.
Options- A. ROM
- B. read/write memory
- C. shift register
- D. PLD Discuss
- 10. Dynamic RAMs store information by using ________.
Options- A. magnetism
- B. flip-flops
- C. latches
- D. capacitors Discuss
More questions
Correct Answer: research
Correct Answer: central processing unit
Correct Answer: False
Correct Answer: PDAs
Correct Answer: four-bit asynchronous binary counter
Correct Answer: external logic circuits that decode the various states of the counter to apply the correct logic levels to the J-K inputs
Correct Answer: FOR
Correct Answer: 11110001
Correct Answer: shift register
Correct Answer: capacitors
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