Measurement and Instrumentation
In measurement system, the function of the signal manipulating elements is to

 change the quantity under measurement to an analogues signal.
 to perform linear operation like addition and multiplication.
 change the magnitude of the input signal while retaining its identity.
 to perform non liner operation like clipping filtering, chopping and clamping.

ANSWER DOWNLOAD EXAMIANS APP

Measurement and Instrumentation
Assertion (A) : Precision is a necessary prerequisiteof accuracy. Reason (R) : Precision guarantees accuracy.

 A is false bur R is true
 Both A and R are true and R is the correct explanation of A
 Both A and R are true but R is NOT the correct explanation of A
 A is true but R is false

ANSWER DOWNLOAD EXAMIANS APP