DSP-ADC - quantization - truncation and rounding

Applying: What is the purpose of ADC (Analog-to-Digital Converter) in digital signal processing?

• a) To convert analog signals to digital signals
• b) To convert digital signals to analog signals
• c) To filter analog signals
• d) To amplify analog signals

Understanding: What is quantization in the context of finite word length effects in DSP?

• a) Process of converting analog signals to digital signals
• b) Process of converting digital signals to analog signals
• c) Process of representing continuous signals with discrete values
• d) Process of amplifying digital signals

Applying: Which of the following rounding methods in ADC converts the analog input value to the nearest integer?

• a) Round towards zero
• b) Round towards positive infinity
• c) Round towards negative infinity
• d) Round to nearest integer

Remembering: What is truncation in the context of finite word length effects in DSP?

• a) Process of converting analog signals to digital signals
• b) Process of converting digital signals to analog signals
• c) Process of representing continuous signals with discrete values by discarding least significant bits
• d) Process of amplifying digital signals

Understanding: What is the effect of quantization on the signal quality in DSP?

• a) It introduces noise and reduces signal quality
• b) It improves signal quality
• c) It has no effect on signal quality
• d) It amplifies the signal

Applying: Which of the following rounding methods in ADC always rounds up the analog input value to the next higher integer?

• a) Round towards zero
• b) Round towards positive infinity
• c) Round towards negative infinity
• d) Round to nearest integer

Understanding: What is the main difference between truncation and rounding in the context of finite word length effects in DSP?

• a) Truncation adds noise to the signal, while rounding does not
• b) Rounding adds noise to the signal, while truncation does not
• c) Truncation always rounds up the signal, while rounding does not
• d) Rounding always rounds up the signal, while truncation does not

Applying: Which of the following methods in ADC can result in quantization errors?

• a) Truncation
• b) Rounding
• c) Both truncation and rounding
• d) Neither truncation nor rounding