ESE Technical Revision Quiz 25 for ESE & GATE EC Exams

Question 1

Examples of an active display and a passive display respectively are

Question 2

Source S₁ produces 4 discrete symbols with equal probability. Source S₂ produces 6 discrets symbols with equal probability. If H₁ and H₂ are the entropies of sources S₁ and S₂ respectively then which one of the following is correct?

Question 3

Find the correct serialization of the schedule shown for transactions X, Y and Z?

Question 4

Which has one of the following transfer functions have the greatest overshoot?

Question 5

The question consists of two statements, one labeled as the ‘Statement (I)’ and the other as ‘Statement (II)’. Examine these two statements carefully and select the answer to these items using the codes given below:
A. Both statements (I) and statement (II) are individually true and statement (II) is the correct explanation of statement (I)
B. Both statements (I) and statement (II) are individually true and statement (II) is not the correct explanation of statement (I).
C. Statement (I) is true but Statement (II) is false.
D. Statement (I) is false but statement (II) is true.

Statement (I): A basic memory unit of a flip-flop is a bistable multivibrator.
Statement (II): A flip-flop has two stable states. It remains in one state until it is directed by an input signal to switch over.

Question 6

A plane wave is travelling in the positive X-direction in a lossless unbounded medium having permeability the same as the free space and a permittivity 9 times that of the free space. The phase velocity of the wave will be

Question 7

Statement (I): Concentration of acceptor atoms in the region between isolation islands m a monolithic integrated circuit will be much higher than in the p-type substrate.
Statement (II): The higher density is provided to prevent the depletion region of the reverse biased isolation to substrate junction from extending 1nto the p+-type material.

Question 8

What will be the correct Q meter equation for inductor?

Question 9

Due to the phenomenon of refraction of radio waves in the atmosphere, which of the following effect is observed?

Question 10

A network with independent sources and resistors shown below in figure (A) has a Thevenin voltage V_T and Thevenin resistance R_T. What are the Norton equivalent current I_N and resistance R_N in the figure (B)?

(A) Original network

(B) Norton's equivalent