Microprocessors Sample Practice Questions with Answer
GATE Electronics and Communication Engineering - Microprocessors Sample Practice Questions with Answer
The contents of accumulator after the execution of following instruction will be
MVI A, A7H
OR A A
RLC
CFH
b)4FH
c)4EH
d)CEH
Communication System Study Materials
GATE Electronics and Communication Engineering - Communication System Study Materials
A signal m(t)=10 cos\(\left( 2\pi 100t \right) \) undergoes frequency modulates a carrier. The resulting FM signal is \(x(t)=20cos\left\{ 2\pi { 10 }^{ 6 }t+15sin\left( 2\pi 100t \right) \right\} \)
The approximate bandwidth of the FM would be
3.2 kHz
b)1 kHz
c)100 kHz
d)None of these
Electromagnetic Field Theory Sample Questions with Answer
GATE Electronics and Communication Engineering - Electromagnetic Field Theory Sample Questions with Answer
A rectangular waveguide has dimensions 1cmX0.5cm Its cut off frequency is
58 GHz
b)10 GHz
c)15 GHz
d)12 GHz
Signals and Systems Model Questions
GATE Electronics and Communication Engineering - Signals and Systems Model Questions
The impulse response h|n| of a linear time-invariant system is given as \(h\left[ n \right] =\begin{cases} -2\sqrt { 2 } ,\quad n=1,\quad -1 \\ 4\sqrt { 2 } ,\quad \ \ \ n=2,\quad -2 \\ 0,\quad \ \ \ \ \ \ \ otherwise \end{cases}\) .If the input to the above system is the sequence \({ e }^{ \frac { j\pi n }{ 4 } }\), then the output is
\(4\sqrt { 2 } { e }^{ \frac { j\pi n }{ 4 } }\)
b)\(4\sqrt { 2 } { e }^-{ \frac { j\pi n }{ 4 } }\)
c)\(4\ { e }^{ \frac { j\pi n }{ 4 } }\)
d)\(-4\ { e }^{ \frac { j\pi n }{ 4 } }\)
Networks Study Materials
GATE Electronics and Communication Engineering - Networks Study Materials
Which one of the following is applicable to any network linear or non-linear, active or passive, time varying or invariant as long as Kirchhoff's laws are not violated?
Tellegen's theorem
b)Reciprocity theorem
c)Maximum power transfer theorem
d)Superposition theorem
Digital Electronics Practice Questions
GATE Electronics and Communication Engineering - Digital Electronics Practice Questions
The initial state of MOO-16 down counter is 0110. What will it be after 37 clock pulses?
Inddeterminate
b)0101
c)0001
d)0110
Analog Electronics Sample Practice Questions with Answer
GATE Electronics and Communication Engineering - Analog Electronics Sample Practice Questions with Answer
The phase-shift oscillator in figure below operates at f=80 kHz. The value of resistance RF is
\(814\Omega\)
b)\(236\Omega\)
c)\(148\Omega\)
d)\(438\Omega\)
Control System Important Questions with Answer
GATE Electronics and Communication Engineering - Control System Important Questions with Answer
An amplifier with resistive negative feedback has two left half-plane poles in its open-loop transfer function. The amplifier
will always be unstable at high frequencies
b)will be stable for all frequencies
c)may be unstable, depending on the feedback factor
d)will oscillate at low frequencies
Electronic Devices and Circuits Study Materials
GATE Electronics and Communication Engineering - Electronic Devices and Circuits Study Materials
For the circuit shown in the following figure, transistors M1 and M2 are identical n-MOS transistors. Assume that M2 is in saturation and the output is unloaded. The current IX is related to Ibias as
\({ I }_{ X }={ I }_{ bias }+{ I }_{ S }\)
b)\({ I }_{ X }={ I }_{ bias }\)
c)\({ I }_{ X }={ I }_{ bias }-{ I }_{ S }\)
d)\({ I }_{ X }={ I }_{ bias }-\left( { V }_{ DD }-\frac { { V }_{ out } }{ { R }_{ E } } \right) \)
Combinatorics Sample Practice Questions with Answer
GATE Electrical Engineering Mathematics - Combinatorics Sample Practice Questions with Answer
Let A be a sequence of 8 distinct integers sorted in ascending order. How many distinct pairs of sequences B and C are there such that (i) each is sorted in ascending order (ii) B has 5 and c has 3 elements and (iii) the result of merging B ans C given A?
2
b)30
c)56
d)256
Set Theory and Algebra Practice Questions
GATE Electrical Engineering Mathematics - Set Theory and Algebra Practice Questions
The set {1,2,3,5,7,8,9} under multiplication modulo 10 is not a group. Given below are four plausible reasons. Which one of them is false?
It is not closed
b)2 does not have an inverse
c)3 does not have an inverse
d)8 does not have an inverse
Mathematical Logic and Graph Theory Sample Questions with Answer
GATE Electrical Engineering Mathematics - Mathematical Logic and Graph Theory Sample Questions with Answer
The following resolution rule is used in logic programming. Drive clause (P^Q) from clauses (PvR),\((Q\wedge \neg R)\)
Which one of the following statements related to this rule is false?
\(\\ P\vee R\wedge (Q\vee \neg R)\Rightarrow (P\wedge R)is\quad logically\quad valid\)
b)\(P\wedge Q\Rightarrow (P\vee R)\wedge (Q\vee \neg R)\quad is\quad logically\quad valid\)
c)\(\\ (P\vee R)is\quad satisfiable\quad if\quad and\quad only\quad if\quad (P\vee R)\wedge (Q\wedge \neg R)\quad is\quad satisfiable\)
d)\(\\ (P\vee Q)\Rightarrow False\quad if\quad and\quad only\quad if\quad both\quad P\quad and\quad Q\quad are\quad unsatisfiable\)
Numerical Methods Model Questions
GATE Electrical Engineering Mathematics - Numerical Methods Model Questions
The relation to solve x = e -x using Newton-Raphson method is
\({ X }_{ n+1 }={ e }^{ { -X }_{ n } }\)
b)\({ X }_{ n+1 }={ X }_{ n }{ -e }^{ { -X }_{ n } }\)
c)\({ X }_{ n+1 }=(1+x_{ n })\frac { { e }^{ { -X }_{ n } } }{ 1+{ e }^{ { -X }_{ n } } } \)
d)\({ X }_{ n+1 }=\frac { { X }^{ 2 }_{ n }-e^{ { -x }_{ n } }(1+{ X }_{ n })-1 }{ { X }_{ n }-{ e }^{ { -X }_{ n } } } \)
Probability and Statistics Model Questions
GATE Electrical Engineering Mathematics - Probability and Statistics Model Questions
If two lines of regression are at right angles, then \(\rho \) (X,Y) is equal to
1
b)-1
c)1 or -1
d)0
Complex Variables Practice Questions
GATE Electrical Engineering Mathematics - Complex Variables Practice Questions
\(\lim _{ x\rightarrow \infty }{ \frac { x-sinx }{ x+cosx } } \) equals to
1
b)-1
c)\(\infty \)
d)-\(\infty \)
Differential Equations Sample Practice Questions with Answer
GATE Electrical Engineering Mathematics - Differential Equations Sample Practice Questions with Answer
The solution of the differential equation \({ x }^{ 2 }\frac { dy }{ dx } +2xy-x+1=0\) given that at x=1, y=0 is
\(\frac { 1 }{ 2 } -\frac { 1 }{ x } +\frac { 1 }{ { 2x }^{ 2 } } \)
b)\(\frac { 1 }{ 2 } -\frac { 1 }{ x } -\frac { 1 }{ { 2x }^{ 2 } } \)
c)\(\frac { 1 }{ 2 } +\frac { 1 }{ x } +\frac { 1 }{ { 2x }^{ 2 } } \)
d)\(-\frac { 1 }{ 2 } +\frac { 1 }{ x } +\frac { 1 }{ { 2x }^{ 2 } } \)
Calculus Model Questions
GATE Electrical Engineering Mathematics - Calculus Model Questions
Assuming i=\(\sqrt { -1 } \)and t is a real number \(\int _{ 0 }^{ \pi }{ { e }^{ it } } dt\) is
\(\frac { \sqrt { 3 } }{ 2 } +\frac { i }{ 2 } \)
b)\(\frac { \sqrt { 3 } }{ 2 } -\frac { i }{ 2 } \)
c)\(\frac { 1 }{ 2 } +i\frac { \sqrt { 3 } }{ 2 } +\frac { 1 }{ 2 } +i\left( 1-\frac { \sqrt { 3 } }{ 2 } \right) \)
d)0
Linear Algebra Study Materials
GATE Electrical Engineering Mathematics - Linear Algebra Study Materials
The following system of equations
3x+2y+z = 4
x-2y+z = 2
-2x+2z = 5
no solution
b)an unique solution
c)multiple solution
d)an inconsistency
Progression Model Questions
GATE Electrical Engineering General Aptitude - Progression Model Questions
A man saves Rs.145000 in ten years. In each year after the first year he saved Rs.2000 more than he did in the proceeding year. How much did he save in the first year?
Rs.5000
b)Rs.5500
c)Rs.6000
d)Rs.6500
Logarithm Sample Practice Questions with Answer
GATE Electrical Engineering General Aptitude - Logarithm Sample Practice Questions with Answer
(log tan10 log tan 20 ...log tan 500) is
1
b)-1
c)0
d)\(\frac { 1 }{ \sqrt { 2 } } \)
Time, Speed and Distance Model Questions
GATE Electrical Engineering General Aptitude - Time, Speed and Distance Model Questions
A boat running upstream takes 5 h 12 min to cover a certain distance, while it takes 4 h to cover the same distance running downstream. What is the ratio between the speed of the boat and speed of the water current respectively?
23 : 3
b)21 : 2
c)25 : 7
d)28 : 9
Time and Work Practice Questions
GATE Electrical Engineering General Aptitude - Time and Work Practice Questions
A can type a report in 16 h and B can do the same job in 12 h. With the help of C they complete the report in 6 h. Then, C alone can type the report in how many hours?
48 h
b)42 h
c)45 h
d)49 h
Simple Interest Study Materials
GATE Electrical Engineering General Aptitude - Simple Interest Study Materials
Simple interest on Rs.1680 for 4 yr at 7\(\frac{1}{2}\) % per annum is equal to the simple interest on Rs.1200 at 7% per annum for a certain period of time. The period of time is
7 yr
b)6yr
c)5\(\frac{1}{3}\)yr
d)7\(\frac{1}{4}\)yr
Ratio and Proportion Model Questions
GATE Electrical Engineering General Aptitude - Ratio and Proportion Model Questions
There are two classes I and II consisting of 42 and 52 students respectively. If the average weight of class I is 45 kg and that of class II is 40 kg. Find the average weight of all the students of class I and II.
42.17kg
b)41.25 kg
c)43.50 kg
d)39.75 kg
Profit and Loss Study Materials
GATE Electrical Engineering General Aptitude - Profit and Loss Study Materials
Ramesh buys 2 articles for Rs.600. He sells one of them at a profit of 22% and other at a loss of 8% and makes no profit or loss at the end. What is the cost price of the article he sold at a loss?
Rs.400
b)Rs.420
c)Rs.440
d)None of these
Percentage Practice Questions
GATE Electrical Engineering General Aptitude - Percentage Practice Questions
p is 5 times as large as q, the percent that q is less than p is
70%
b)75%
c)80%
d)85%
Number System Sample Practice Questions with Answer
GATE Electrical Engineering General Aptitude - Number System Sample Practice Questions with Answer
A number 475 is divided into two parts in such a way that the LCM and HCF of the two parts is 2250 and 25 respectively. Find the two numbers.
250,225
b)200,275
c)175,300
d)240,235
Verbal Deductions Important Questions with Answer
GATE Electrical Engineering General Aptitude - Verbal Deductions Important Questions with Answer
A question contains four arguments of three statements each. Choose the set in which third statement is a logical conclusion of the first two.
If T has juice today, N will have Horlicks.
A. T is drinking juice.
B. N is drinking tea.
C. T is not drinking juice.
D. N is drinking Horlicks.
AC
b)BC
c)CB
d)CD
Sitting or Learning Arrangement Study Materials
GATE Electrical Engineering General Aptitude - Sitting or Learning Arrangement Study Materials
Five girls are sitting in row. Rashi is not adjacent to Sulekha or Anuradha is not adjacent to Sulekh Rashi is adjacent to Monika. Monika is seated in the middle of the row. Then to whom is Anuradha adjacent in the following choices?
Rashi
b)Sulekha
c)Abha
d)Monika
Logical Analytical Reasoning Sample Practice Questions with Answer
GATE Electrical Engineering General Aptitude - Logical Analytical Reasoning Sample Practice Questions with Answer
Read the given information carefully and answer the question.
P, Q, R, S, T and ?U are 6 friends among them there are 2 married couples
(and rest unmarried) and pursue 6 different professions. i.e., advocate,
medico, teacher, editor, counsellor and housewife.
(1) S is the housewife and is married to the medico.
(2) R is an editor
(3) P, who is married tot he teacher, is an advocate
(4) Q is not teacher and t is unmarried.
What is the profession of T?
Medico
b)Teacher
c)Counsellor
d)None of these
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