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- Question
An AD7524 is an eight-bit D/A converter that uses an R/2R ladder network.
Options- A. True
- B. False
- Correct Answer
- True
- 1. Electrical quantities can be interpreted without conditioning by a digital computer.
Options- A. True
- B. False Discuss
- 2. A DRAM has a RAS and a CAS because ________.
Options- A. the address lines are multiplexed to reduce pin count
- B. the RAS determines the operation mode and the CAS enables the tristate outputs
- C. the RAS latches in the address and the CAS latches in data
- D. None of the above Discuss
- 3. When the term RAM is used with semiconductor memories, it usually means ________ as opposed to ROM.
Options- A. Random-Access Memory
- B. Read/Write Memory (RWM)
- C. flash memory
- D. temporary storage Discuss
- 4. The memory operation that stores data into a memory location after entering a new address is called ________.
Options- A. a read cycle
- B. a write cycle
- C. a refresh cycle
- D. chip select Discuss
- 5. A type of read/write memory available with MOS technology is ________.
Options- A. SRAM
- B. DRAM
- C. both of the above
- D. none of the above Discuss
- 6. Two characteristics of ideal operational amplifiers are very high input impedance and very high voltage gain.
Options- A. True
- B. False Discuss
- 7. The output voltage or current of a digital-to-analog converter is truly an analog signal.
Options- A. True
- B. False Discuss
- 8. The amount of deviation of the measured step size from the ideal step size is a measure of linearity.
Options- A. True
- B. False Discuss
- 9. In a digital storage scope, when memory is full, the next data point is lost.
Options- A. True
- B. False Discuss
- 10. The current across the MSB "rung" of a 4-bit R/2R ladder DAC if the reference voltage is 5 v and R is 8 Ω is 625 µA.
Options- A. True
- B. False Discuss
Interfacing to the Analog World problems
Search Results
Correct Answer: False
Correct Answer: the address lines are multiplexed to reduce pin count
Correct Answer: Read/Write Memory (RWM)
Correct Answer: a write cycle
Correct Answer: both of the above
Correct Answer: True
Correct Answer: False
Correct Answer: True
Correct Answer: False
Correct Answer: False
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