Digital Signal Processing Questions

• The ADC0804 is an example of a ________.
• A 4-bit R/2R ladder digital-to-analog converter uses ________.
• What do we call the manipulation of an analog signal in a digital domain?
• The dual-slope analog-to-digital converter finds extensive use in ________.
• In troubleshooting a DAC, we check its performance characteristics, such as ________.
• The flash method of analog-to-digital conversion uses comparators that compare reference voltages with the analog input voltage.
• Digital signal processing must be at least half as fast as the incoming signal to be processed.
• Digital filtering is faster than analog filtering.
• The flash converter is the fastest analog-to-digital conversion method.
• Offset is the characteristic of a DAC defined by the absence of any incorrect step reversals.
• In a binary-weighted-input digital-to-analog converter, the values of the input resistors are chosen to be proportional to the binary weights of the corresponding input bits.
• Successive-approximation is perhaps the most widely used method of A/D conversion.
• Incorrect codes are a form of output error for a DAC.
• Digital signal processors must be programmed to perform specific tasks.
• The ADC0804 is an example of a successive-approximation ADC.
• The principal advantage of the three-wire handshake on the GPIB is that it ________.
• An offset error in a DAC will show up as an incorrect analog output ________.
• Assume that in a certain 4-bit weighted ladder DAC, the input representing the most significant bit is applied to a 20 kΩ resistor. What is the size of the resistor that represents the least significant bit?
• A standard logic device can be connected on a bus system as an open-collector logic device by connecting each output to a ________.
• Of the methods listed, the fastest A/D conversion is done by a ________.