dsp quiz week 1

The interface between an analog signal and a digital processor is

• ADC

• MODULATOR

• DAC

• DEMODULATOR

The speech signal is obtained after

• MODULATION

• ADC

• DAC

• QUANTIZATION

Digital signal processing provides an alternative method for processing the analog signal.

• TRUE

• FALSE

In a digital signal processor, can we make some adjustments?

• FALSE

• TRUE

Analog to Digital signal, there are THREE important steps which are:

• 1) ADC

  2)DAC

  3)SPEECH SIGNAL

• 1) ANALOG INPUT SIGNAL

  2)DIGITAL PROCESSOR

  3)SPEECH SIGNAL

• 1) ADC

  2)DIGITAL SIGNAL PROCESSOR

  3)DAC

• 1) ADC

  2) INPUT SIGNAL

  3)OUTPUT SIGNAL

Draw the block diagram of the digital signal processing system

Why we need to change from analog signal to digital signal?

• 1) high noise or distortion

• 1) software update

  2) provides flexibility

• 1) simple design

  2)high cost

• 1)simple algorithm

  2) not flexible

Signal processing technology is used in

• Mobile phones

• Computers

• Radios

• In all of the items mentioned

Is music playing from a record an analog or digital signal?

Is a video game coded as analog or digital data?