Q. 1 – Q. 5 carry one mark each.
Q.1 An apple costs Rs. 10. An onion costs Rs. 8.
Select the most suitable sentence with respect to
grammar and usage.
(A) The price of an apple is greater than an onion.
(B) The price of an apple is more than onion.
(C) The price of an apple is greater than that of an onion.
(D) Apples are more costlier than onions.
Answer:(C)
Q.2 The Buddha said, “Holding on to anger is like grasping a
hot coal with the intent of throwing it at
someone else; you are the one who gets burnt.”
Select the word below which is closest in meaning to the
word underlined above.
(A) burning (B) igniting (C) clutching (D) flinging
Answer:(C)
Q.3 M has a son Q and a daughter R. He has no other
children. E is the mother of P and daughter-in-Law
(A) P is the son-in-law of M.
(B) P is the grandchild of M.
(C) P is the daughter-in law of M.
(D) P is the grandfather of M.
Answer:(B)
Q.4 The number that least fits this
set: (324, 441, 97 and 64) is ________.
(A) 324 (B) 441 (C) 97 (D) 64
Answer:(C ; D)
Q.5 It takes 10 s and 15 s, respectively, for two trains
travelling at different constant speeds to
completely pass a telegraph post. The length of the
first train is 120 m and that of the second train is
150 m. The magnitude of the difference in the speeds
of the two trains (in m/s) is ____________.
(A) 2.0 (B) 10.0 (C) 12.0 (D) 22.0
Answer:(A)
Q6. - Q10 Carry two marks each:
(A) 0
(B) 3
(C) 4
(D) 5
Answer:(D)
Q7. The Overwhelming number of people, infected with rabies
in India has been flagged by the world Health Organization as
a source of concern. It is estimated that inoculating 70% of
pets and stray dogs against rabies can lead to significant
reduction in the number of people infected with rabies
Which of the following can be logically inferred from the
above sentences?
(A) The number of people in India affected with rabies is high.
(B) The number of people in other parts of the world who are
infected with rabies is low
(C) Rabies can be eradicated in India By Vaccinating 70% of
stray dogs
(D) Stray dogs are the main source of rabies worldwide.
Answer:(A)
Q8. A flat is shared by four first year undergraduate students.
They agreed to allow the oldest of them to enjoy some extra
space in the flat. Manu is two months older than Sravan, Who is
three months younger than Trideep, Pavan is one month older
than sravan, Who should occupy the extra space in the flat?
(A) Manu
(B)Sravan
(C)Trideep
(D)Pavan
Answer:(C)
Q9. Find the area bounded by the lines 3x+2y = 14,
2x-3y=5 in the first quadrant.
(A) 14.95
(B) 15.25
(C) 15.70
(D) 20.35
Answer:(B)
Q.10 A straight line is fit to a data set (ln x, y).
This line intercepts the abscissa at ln x = 0.1 and has a
slope of −0.02. What is the value of y at x = 5 from the fit?
(A) −0.030 (B) −0.014 (C) 0.014 (D) 0.030
Answer:(A)
Q. 1 – Q. 25 carry one mark each.
Answer:(D)
Answer:(1.0:1.0)
Q.3 The probability of getting a “head” in a single
toss of a biased coin is 0.3. The coin is tossed
repeatedly till a “head” is obtained. If the tosses
are independent, then the probability of getting
“head” for the first time in the fifth toss is ________
Answer:(0.07:0.08)
Answer:(2.0:2.0)
Q.5 Consider the first order initial value problem
Answer:(0.060:0.063)
Answer:(C)
Answer:(A)

Answer:(C)
Answer:(B)
Answer:(C)
Q.11 The figure shows the band diagramof a Metal Oxide Semiconductor (MOS). The surface region of this MOS is in
Answer:(A)
Q.13 The diodes D1 and D2 in the figure are ideal and the capacitors
Q.15 In the astable multivibrator circuit shown in the figure,
Q.16 In an 8085 microprocessor, the contents of the accumulator and the carry flag are A7 (in hex)then the contents of the accumulator (in hex) and and 0 respectively. If the instruction RLC is executed,
(A) OR (B) XOR (C) NAND (D) AND
Answer:(D)
Q.18 The minimum number of 2-input NAND gates required to implement a 2-input XOR gate is(A) 4 (B) 5 (C) 6 (D) 7
Answer:(A)
Q.19 The block diagram of a feedback control system is shown in the figure. Theoverall closed-loop gain G of the system is

Answer:(B)
Q.20 For the unity feedback control system shown in
28 A triangle in the xy-plane is bounded by the straight lines 2x = 3y, y = 0 and x = 3. The volume above the triangle and underthe plane x + y + z = 6 is __________
Answer:(10.0:10.0)
Answer:(D)
Answer:(B)
Answer:(D)
Answer:(0.98 : 1.02 ; -1.02 : -0.98 ; 1.96 : 2.04 ; -2.04 : -1.96 )
Q.33 In the figure shown, the current i
(in ampere) is _________
Q.36 The direct form structure of an FIR
The filter can be used to approximate a
(A) low-pass filter
(B) high-pass filter
(C) band-pass filter
(D) band-stop filter
Answer:(C)
Q.44 For the circuit shown in the figure, the delays of NOR gates,
Q.1 An apple costs Rs. 10. An onion costs Rs. 8.
Select the most suitable sentence with respect to
grammar and usage.
(A) The price of an apple is greater than an onion.
(B) The price of an apple is more than onion.
(C) The price of an apple is greater than that of an onion.
(D) Apples are more costlier than onions.
Answer:(C)
Q.2 The Buddha said, “Holding on to anger is like grasping a
hot coal with the intent of throwing it at
someone else; you are the one who gets burnt.”
Select the word below which is closest in meaning to the
word underlined above.
(A) burning (B) igniting (C) clutching (D) flinging
Answer:(C)
Q.3 M has a son Q and a daughter R. He has no other
children. E is the mother of P and daughter-in-Law
(A) P is the son-in-law of M.
(B) P is the grandchild of M.
(C) P is the daughter-in law of M.
(D) P is the grandfather of M.
Answer:(B)
Q.4 The number that least fits this
set: (324, 441, 97 and 64) is ________.
(A) 324 (B) 441 (C) 97 (D) 64
Answer:(C ; D)
Q.5 It takes 10 s and 15 s, respectively, for two trains
travelling at different constant speeds to
completely pass a telegraph post. The length of the
first train is 120 m and that of the second train is
150 m. The magnitude of the difference in the speeds
of the two trains (in m/s) is ____________.
(A) 2.0 (B) 10.0 (C) 12.0 (D) 22.0
Answer:(A)
Q6. - Q10 Carry two marks each:
| Add caption |
(A) 0
(B) 3
(C) 4
(D) 5
Answer:(D)
Q7. The Overwhelming number of people, infected with rabies
in India has been flagged by the world Health Organization as
a source of concern. It is estimated that inoculating 70% of
pets and stray dogs against rabies can lead to significant
reduction in the number of people infected with rabies
Which of the following can be logically inferred from the
above sentences?
(A) The number of people in India affected with rabies is high.
(B) The number of people in other parts of the world who are
infected with rabies is low
(C) Rabies can be eradicated in India By Vaccinating 70% of
stray dogs
(D) Stray dogs are the main source of rabies worldwide.
Answer:(A)
Q8. A flat is shared by four first year undergraduate students.
They agreed to allow the oldest of them to enjoy some extra
space in the flat. Manu is two months older than Sravan, Who is
three months younger than Trideep, Pavan is one month older
than sravan, Who should occupy the extra space in the flat?
(A) Manu
(B)Sravan
(C)Trideep
(D)Pavan
Answer:(C)
Q9. Find the area bounded by the lines 3x+2y = 14,
2x-3y=5 in the first quadrant.
(A) 14.95
(B) 15.25
(C) 15.70
(D) 20.35
Answer:(B)
Q.10 A straight line is fit to a data set (ln x, y).
This line intercepts the abscissa at ln x = 0.1 and has a
slope of −0.02. What is the value of y at x = 5 from the fit?
(A) −0.030 (B) −0.014 (C) 0.014 (D) 0.030
Answer:(A)
Q. 1 – Q. 25 carry one mark each.
Answer:(D)
Answer:(1.0:1.0)
Q.3 The probability of getting a “head” in a single
toss of a biased coin is 0.3. The coin is tossed
repeatedly till a “head” is obtained. If the tosses
are independent, then the probability of getting
“head” for the first time in the fifth toss is ________
Answer:(0.07:0.08)
Answer:(2.0:2.0)
Q.5 Consider the first order initial value problem
Answer:(0.060:0.063)
Answer:(C)
Answer:(A)
Answer:(C)
Answer:(B)
Q.11 The figure shows the band diagramof a Metal Oxide Semiconductor (MOS). The surface region of this MOS is in
Answer:(A)
Answer:(20.5:21.5)
are identical. The product RC is very large compared to the time period of
the ac voltage. Assuming that the diodes do not breakdown in the reverse bias,
the output voltage
Answer:(0.0:0.0)
Answer:(0.45:0.55)
the frequency of oscillation (in kHz)
at the output pin 3 is __________
Answer:(5.55:5.75)
Q.16 In an 8085 microprocessor, the contents of the accumulator and the carry flag are A7 (in hex)then the contents of the accumulator (in hex) and and 0 respectively. If the instruction RLC is executed,
the carry flag, respectively, will be(A) 4E and 0 (B) 4E and 1 (C) 4F and 0 (D) 4F and 1
Answer:(D)
Q.17 The logic functionality realized by the circuit shown below is
Answer:(D)
Q.17 The logic functionality realized by the circuit shown below is
(A) OR (B) XOR (C) NAND (D) AND
Answer:(D)
Q.18 The minimum number of 2-input NAND gates required to implement a 2-input XOR gate is(A) 4 (B) 5 (C) 6 (D) 7
Answer:(A)
Q.19 The block diagram of a feedback control system is shown in the figure. Theoverall closed-loop gain G of the system is
Answer:(B)
Q.20 For the unity feedback control system shown in
the figure, the open-loop transfer function G(s) is given asG (s) = 2/s(s+1) .
The steady state error ess due to a unit step input is
The steady state error ess due to a unit step input is
Answer:(A)
Q.21 For a superheterodyne receiver, the intermediate frequency
is 15 MHz and the local oscillator frequency is 3.5 GHz. If the frequency
of the received signal is greater than the local oscillator
frequency, then the image frequency (in MHz) is _________
Answer:(3485:3485)
Q.22 An analog baseband signal, bandlimited to 100 Hz, is
sampled at the Nyquist rate. The samples are
quantized into four message symbols that occur independently with
probabilities p1 = p4 = 0.125
and p2 = p3. The information rate (bits/sec) of the message
source is _________
Answer:(360:360)
Answer:(C)
Q.24 If a right-handed circularly polarized wave is incident normally
on a plane perfect conductor, then the reflected wave will
be
(B) Right-handed circularly polarized(B) left-handed circularly polarized(C) elliptically polarized with a tilt angle of 45 degree(D) horizontally polarized
Answer:(B)
Q.25 Faraday’s law of electromagnetic induction is mathematically
described by which one of the
following equations?
Answer:(C)
Q.26 The particular solution of the initial value problem given below is
Answer:(A)
28 A triangle in the xy-plane is bounded by the straight lines 2x = 3y, y = 0 and x = 3. The volume above the triangle and underthe plane x + y + z = 6 is __________
Answer:(10.0:10.0)
Answer:(B)
Answer:(B)
Q.32 Assume that the circuit in the figure has reached
the steady state before time t= 0 when the 3 Ωresistor suddenly
burns out, resulting in an open circuit.
The current i(t) (in ampere) at t = 0+ is
Answer:(0.98 : 1.02 ; -1.02 : -0.98 ; 1.96 : 2.04 ; -2.04 : -1.96 )
Q.33 In the figure shown, the current i
(in ampere) is _________
Answer:(-1.05 : -0.95)
Answer:(A)
Answer:(4096 : 4096)
(finite impulse response) filter is shown in the figure.
The filter can be used to approximate a
(A) low-pass filter
(B) high-pass filter
(C) band-pass filter
(D) band-stop filter
Answer:(C)
Answer:(6.55 : 6.75)
Answer:(1.55:1.65)
Answer:(39)
Answer:(-1.0 : -1.0)
Answer:(C)
Answer:(56 : 63)
Q.43 Following is the K-map of a Boolean function of five
variables P, Q, R, S and X. The minimum
Answer:(B)
multiplexers and inverters are 2 ns, 1.5 ns and 1 ns,respectively.
If all the inputs P, Q, R, S and T are applied at the same timeinstant,
the maximum propagation delay (in ns) of the circuit is __________
Answer:(6.0 : 6.0)
Q.45 For the circuit shown in the figure, the delay
of the bubbled NAND gate is 2 ns and that of the counter
is assumed to be zero.If the clock (Clk) frequency
is 1 GHz, then the counter behaves as a
(A) mod-5 counter (B) mod-6 counter
(C) mod-7 counter (D) mod-8 counter
Answer:(D)
Q.46 The first two rows in the Routh table for the characteristic equation of a certain closed-loop control system are given as
Answer:(D)
Q.48 The forward-path transfer function and the feedback-path transfer function of a singleloop negative feedback control system are given as
respectively. If the variable parameter K is realpositive, then the location of the breakaway point on
the root locus diagram of thesystem isAnswer:(-3.45 : -3.35)_________
Q.49 A wide sense stationary random process X(t)
Answer:(6.0 : 6.0)
Q.45 For the circuit shown in the figure, the delay
of the bubbled NAND gate is 2 ns and that of the counter
is assumed to be zero.If the clock (Clk) frequency
is 1 GHz, then the counter behaves as a
(A) mod-5 counter (B) mod-6 counter
(C) mod-7 counter (D) mod-8 counter
Answer:(D)
Answer:(D)
Answer:(A)
Q.48 The forward-path transfer function and the feedback-path transfer function of a singleloop negative feedback control system are given as
respectively. If the variable parameter K is realpositive, then the location of the breakaway point on
the root locus diagram of thesystem isAnswer:(-3.45 : -3.35)_________
Q.49 A wide sense stationary random process X(t)
passes through the LTI system shown in the figure.
Answer:(B)
Answer:(30.0 : 33.0)
Answer:(0.70 : 0.75)
Q.52 Consider an air-filled rectangular wave guide
with dimensions a = 2.286 cm and b = 1.016 cm. At
10 GHz operating frequency, the value of the propagation constant
(per meter) of the corresponding
propagating mode is __________
Answer:(155.0 : 162.0)
Answer:(C)
Answer:(0.01 : 0.02)
Q.55 Consider the charge profile shown in the figure.
The resultant potential distribution is best
described by
Answer of this Question is
(D)