Data Converters

Which of the following network is/are used in DAC ?

• Ladder network

• Binary weighted network

• Both ladder & binary weighted network

• successive approximation network

For a 12-bit binary-weighted resistor DAC, if the smallest resistor is  $2.5\ k\Omega,$ then the value of largest resistance is

•  $5.12\ M\Omega$  

•  $102.4\ M\Omega$  

•  $51.2\ M\Omega$  

•  $10.24\ M\Omega$  

Which one is greater in DAC?

• Full Scale Voltage

• Reference Voltage

• both full scale and reference voltage

Complete the missing word:

The sensor takes a reading and the signal is converted to _______ before being sent to the processor.

Which of these are good reasons why computers only process digital data (select two)

• Computers use switches (transistors) which are either on or off.

• Computers can only count zero and one

• Computers are designed to only recognise two states of voltage... low (0v) and high (approx 5v).

• Because our number system is base 10 and this number uses a 1 and a 0

Which of the following method is employed for ADC?

• Ladder network

• Successive approximation type

• PWM type

• None of the mentioned

In a flash analog-to-digital converter, the output of each comparator is connected to an input of

• Decoder

• Encoder

• Priority Encoder

• Multiplexer

• Demultiplexer

How many control lines are present in analog to digital converter in addition to reference voltage?

• 1

• 2

• 3

• 4

Find out the integrating type analog to digital converter

• Flash type converter

• Tracking converter

• Counter type converter

• Dual slope ADC

Which A/D converter is considered to be simplest, fastest and most expensive?

• Flash type ADC

• Dual-Slope ADC

• Counter type ADC

• Successive Approximation ADC