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Digital Signal Processing problems
1. Which type of programming is typically used for digital signal processors?
Options
A. Assembly language
B. Machine language
C. C
D. None of the above
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Correct Answer: Assembly language
2. Which is not an A/D conversion error?
Options
A. Differential nonlinearity
B. Missing code
C. Incorrect code
D. Offset
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Correct Answer: Differential nonlinearity
3. Which is a typical application of digital signal processing?
Options
A. Noise elimination
B. Music signal processing
C. Image processing
D. All of the above
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Correct Answer: All of the above
4. For a 4-bit DAC, the least significant bit (LSB) is ________.
Options
A. 6.25% of full scale
B. 0.625% of full scale
C. 12% of full scale
D. 1.2% of full scale
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Correct Answer: 6.25% of full scale
5. In a digital representation of voltages using an 8-bit binary code, how many values can be defined?
Options
A. 16
B. 64
C. 128
D. 256
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Correct Answer: 256
6. A binary-weighted-input digital-to-analog converter has an input resistor of 100 kΩ. If the resistor is connected to a 5 V source, current through the resistor is ________.
Options
A. 50 mA
B. 50 µA
C. 5 mA
D. 500 µA
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Correct Answer: 50 µA
7. Which term applies to the maintaining of a given signal level until the next sampling?
Options
A. Holding
B. Aliasing
C. Shannon frequency sampling
D. "Stair-stepping"
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Correct Answer: Holding
8. What is the result of taking more samples during the quantization process?
Options
A. More errors in the analog-to-digital conversion
B. More bit requirements
C. More accurate signal representation
D. More bit requirements and more accurate signal representation
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Correct Answer: More bit requirements and more accurate signal representation
9. Which A/D conversion method has a fixed conversion time?
Options
A. Single-slope analog-to-digital converter
B. Dual-slope analog-to-digital converter
C. Digital-ramp analog-to-digital converter
D. Successive-approximation analog-to-digital converter
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Correct Answer: Successive-approximation analog-to-digital converter
10. Which type of ADC quantizes the analog signal into a stream of bits whose amount corresponds to the signal level?
Options
A. Successive approximation
B. Sigma-delta
C. Dual-slope
D. None of the above
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Correct Answer: Sigma-delta
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More in Digital Electronics:
Boolean Algebra and Logic Simplification
Code Converters and Multiplexers
Combinational Logic Analysis
Combinational Logic Circuits
Computers
Counters
Describing Logic Circuits
Digital Arithmetic Operations and Circuits
Digital Concepts
Digital Design
Digital Signal Processing
Digital System Projects Using HDL
Ex-OR and Ex-NOR Gates
Flip-Flops
Integrated-Circuit Logic Families
Integrated Circuit Technologies
Interfacing to the Analog World
Logic Families and Their Characteristics
Logic Gates
Memory and Storage
Microprocessor Fundamentals
MSI Logic Circuits
Multivibrators and 555 Timer
Number Systems and Codes
Programmable Logic Device
Shift Registers
Signals and Switches
The 8051 Microcontroller