M5 Digital Techniques Sub-Module No 3(Quiz No:1)

Data Conversion

Quiz

 

1. It is limited to a number of separate 'discrete'values ?
   1.   Analog data
   2.   Real data
   3.   Digital data
2. Digital signals can be represented by using a ?
   1.   Real numbers
   2.   Octal number
   3.   Series of integers
3. It varies continuously with time and has many different values ?
   1.   Analog signal
   2.   Real data
   3.   Digital signal
4. There are ------------ main classes of ADC’?
   1.   Two
   2.   Three
   3.   Four
5. The tracking converter is very similar to the----------------?
   1.   Integrating Converters
   2.   Dual Slope Converters
   3.   Ramp converter
6. Where this is the case and the output voltage of the DAC can change sign, it is said to be---------------?
   1.   Unipolar
   2.   Bipolar
   3.   Digital signal
7. These DACs are termed multiplying DACs because the analogue output signal is proportional to the product of the reference voltage ?
   1.   Unipolar DAC
   2.   Multiplying DACs
   3.   Serial Input DACs
8. Normally these devices vary from 8-bit up to very accurate 16-bit devices and the 16bit device must necessarily have a large number of pins on the IC ?
   1.   "Serial Input DAC
   2.   Multiplying DAC
   3.   Unipolar DAC
9. Many cockpit instruments display ------------------- formats ?
   1.   Both analog and digital
   2.   Analog
   3.   Digital
10. The most common method of obtaining a ---------------- is to modify a unipolar DAC ?
    1.   Serial Input DACs
    2.   Multiplying DACs
    3.   Bipolar DAC