Question 21 : Which of the following have the same quantisation step throughout the range?
1. linear
2. PCM
3. DPCM
4. ADPCM
View Answer   Discuss with Members

Question 22 : Which of the following uses a non-linear quantisation value?
1. PCM
2. DPCM
3. ADPCM
4. linear codec
View Answer   Discuss with Members

Question 23 : Which of the following defines the number of samples that are taken in the time period?
1. sample size
2. sample nature
3. sample rate
4. sample frequency
View Answer   Discuss with Members

Question 24 : Which of the following can determine the speed of conversion device itself?
1. sample rate
2. sampled data
3. sample size
4. sample nature
View Answer   Discuss with Members

Question 25 : What does ADPCM stand for?
1. address differential pulse code modulation
2. adaptive differential pulse code modulation
3. address dynamic pulse code machine
4. adaptive dynamic pulse code modulation
View Answer   Discuss with Members

Question 26 : Which of the following can switch the current by a make or break contact?
1. transistor
2. relay
3. buffer
4. fet
View Answer   Discuss with Members

Question 27 : Which device can make the PWM operation easier?
1. timer
2. software
3. hardware
4. transistor
View Answer   Discuss with Members

Question 28 : Which is used in the telecommunication applications which has a limited bandwidth of 300 to 3100 HZ?
1. linear codec
2. logarithmic codec
3. PCM
4. DPCM
View Answer   Discuss with Members

Question 29 : Which of the following is used to create H bridge?
1. switches
2. led
3. capacitor
4. inductor
View Answer   Discuss with Members

Question 30 : Which of the following conversion is performed by using a lookup table?
1. DPCM
2. ADPCM
3. Between DPCM and ADPCM
4. Linear cdec and a-law
View Answer   Discuss with Members