Question

Two voltage signals A and B. Which of the following statements is true?

                                       

Solution

Correct option is

(A) is an analogue signal and (B) a binary digital signal

A continuous time varying signal is called an analogue signal. A discrete signal with two discrete values is a binary digital signal.

SIMILAR QUESTIONS

Q1

For a common base transistor circuit, the emitter-current and the collector-current are 1 mA and 0.96 mA respectively. Calculate the current gain and base current.

Q2

The current gain for common-emitter amplifier is 59. If the emitter-current is 6.0 mA, find (i) base-current, and (ii) collector-current.

Q3

Calculate the current gain  of a transistor if the current-gain  is 0.98.

Q4

In a silicon transistor, a change of 7.98 mA in the emitter-current produces a change of 7.8 mA in the collector-current. Find the required change in the base current to produce an equivalent change in the collector current. 

Q5

A common-emitter transistor amplifier has a current gain of 50. The collector resistance is  and the input resistance is , calculate the output voltage if input voltage is 0.01 V. 

Q6

The internal resistance of a triode value is  and the amplification factor is 15. What is the potential (at constant-potential) is required to increase the plate current from 6 mA to 9 mA?

Q7

Which logic gets is represented by the following combination of logic gets?

                                         

Q8

The Boolean equation for the circuit given in the figure is :

                                                      

Q9

The given symbol represents :            

                                                                   

Q10

In Boolean algebra, X = A.B implies that