1. Which of the following statements about transducer
in an analytical instrument are correct:)
1. A transducer is a device that converts chemical or physical
information into an electrical signal or the reverse.
2. The most common input transducer convert chemical or physical
information into a current, voltage, or charge
3. The most common output transducers convert electrical signals
into some numerical
A) 1 and 2 only
B) 1 and 3 only
C) 2 and 3 only
D) 1, 2, and 3
2. Which statement about data domain are correct?)
1. a data domain is one of the modes in which data may be
encoded
2. examples of data domain classes are the analog, digital and
time
3. examples of data domains are voltage, current, charge,
frequency, period, number
A) 1, 2, and 3
B) 2 and 3 only
C) 1 and 3 only
D) 1 and 2 only