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Questions by sh!va

0 votes
1 answer
121
ISRO 2015- Optical fiber [EE]
The cladding which surrounds the optic fiber line is used (a) To protect the fiber (b) To reduce optical interference (c) Because it help to guide light in the core (d) To ensure that refractive index remains constant
The cladding which surrounds the optic fiber line is used(a) To protect the fiber(b) To reduce optical interference(c) Because it help to guide light in the core(d) To en...
0 votes
2 answers
122
ISRO 2015- Main memory [EE]
Techniques that automatically move program and data blocks into physical main memory when they are required for execution are called (a) Main memory techniques (b) Cache memory techniques (c) Virtual memory techniques (d) Associate memory techniques
Techniques that automatically move program and data blocks into physical main memory when they are required for execution are called(a) Main memory techniques(b) Cache me...
1 votes
1 answer
123
ISRO 2015 UDP/TCP [EE]
The transport layer protocol used for real time multimedia, file transfer, DNS and e-mail respectively are (a) TCP, UDP, UDP and TCP (b) UDP, TCP, UDP and TCP (c) UDP, TCP, TCP and UDP (d) TCP, UDP, TCP and UDP
The transport layer protocol used for real time multimedia, file transfer, DNS and e-mail respectively are(a) TCP, UDP, UDP and TCP(b) UDP, TCP, UDP and TCP(c) UDP, TCP, ...
1 votes
1 answer
124
ISRO 2015- Ripple Counter [EE]
A 4 bit module -16 ripple counter uses JK F/F. If the propagation delay of each F/F is 50 nano seconds, the maximum clock frequency that can be used is equal to (a) 20 MHz (b) 5 MHz (c) 10 MHz (d) 4 MHz
A 4 bit module -16 ripple counter uses JK F/F. If the propagation delay of each F/F is 50 nano seconds, the maximum clock frequency that can be used is equal to(a) 20 MHz...
1 votes
2 answers
125
ISRO 2015 - Johnson counter [EE]
A three stage Johnson counter ring in figure is clocked at a constant frequency of fc from starting state of Q0Q1Q2 = 101. The frequency of output Q0Q1Q2 will be (a) fc / 2 (b) fc /6 (c) fc/ 3 (d) fc /8
A three stage Johnson counter ring in figure is clocked at a constant frequency of fc from starting state of Q0Q1Q2 = 101. The frequency of output Q0Q1Q2 will be(a) fc / ...
1 votes
4 answers
126
ISRO 2015 Truth table [EE]
The truth table X Y F 0 0 0 0 1 0 1 0 1 1 1 1 Represent the Boolean function (a) X (b) X - Y (c) X +Y (d) Y
The truth tableXYF000010101111 Represent the Boolean function(a) X(b) X - Y(c) X +Y(d) Y
1 votes
2 answers
127
ISRO 2014- probability [EE]
A student is to answer 10 out of 13 questions in an examination such that he must choose at least 4 from the first five questions. The number of choices available to him is (A) 140 (B) 196 (C) 280 (D) 346
A student is to answer 10 out of 13 questions in an examination such that he must choose at least 4 from the first five questions. The number of choices available to him ...
0 votes
2 answers
128
ISRO 2014 -Trigonometry [EE]
If tan $\Theta$ = 8 / 15 and $\Theta$ is acute, then cosec $\Theta$ (A) 8 / 17 (B) 8 / 15 (C) 17 / 8 (D) 17 / 15
If tan $\Theta$ = 8 / 15 and $\Theta$ is acute, then cosec $\Theta$(A) 8 / 17(B) 8 / 15(C) 17 / 8(D) 17 / 15
0 votes
1 answer
129
ISRO 2014- Quadratic Equation [EE]
If one root of the equation x 2+ px +12 =0 is 4, while the equation x 2 + px + q = 0 has equal roots, then the value of 'q' is (A) 49/4 (B) 4 (C) 49/16 (D) 12
If one root of the equation x 2+ px +12 =0 is 4, while the equation x 2 + px + q = 0 has equal roots, then the value of 'q' is(A) 49/4(B) 4 (C) 49/16(D) 12
1 votes
1 answer
130
ISRO 2014- Geometry [EE]
If a vertex of a triangle is (1, 1) and the mid-points of two sides through this vertex are (-1, 2) and (3, 2), then the centroid of the triangle is (A) $(-1, 7/3)$ (B) $(-1/3, 7/3)$ (C) $(1, 7/3)$ (D) $(1/3, 7/3)$
If a vertex of a triangle is (1, 1) and the mid-points of two sides through this vertex are (-1, 2) and (3, 2), then the centroid of the triangle is(A) $(-1, 7/3)$(B) $(-...
1 votes
1 answer
131
ISRO 2014 -Complex Numbers [EE]
If $[ $\frac{1+i}{1-i} ] ^ x$ =$1$ then (A) x = 2n + 1, where n is any positive integer (B) x = 2n, where n is any positive integer (C) x = 4n + 1, where n is any positive integer (D) x = 4n, where n is any positive integer
If $[ $$\frac{1+i}{1-i} ] ^ x$ =$1$ then(A) x = 2n + 1, where n is any positive integer(B) x = 2n, where n is any positive integer(C) x = 4n + 1, where n is any positive ...
0 votes
1 answer
133
ISRO 2013- Polynomials [EE]
The unique polynomial P(x) of degree 2 such that: P(1) = 1, P(3) = 27, P(4) = 64 is a) 8$x^2$ -19x + 12 b) 8$x^2$ + 19x + 12 c) -8$x^2$ -19x + 12 d) -8$x^2$ -19x - 12
The unique polynomial P(x) of degree 2 such that: P(1) = 1, P(3) = 27, P(4) = 64 isa) 8$x^2$ -19x + 12b) 8$x^2$ + 19x + 12c) -8$x^2$ -19x + 12d) -8$x^2$ -19x - 12
0 votes
1 answer
134
ISRO 2013- Newton Raphson [EE]
The equation $x^3$ - $x^2$ + 4$x$ - 4 = 0 is to be solved using the Newton - Raphson method. If x =2 is taken as the initial approximation of the solution, then the next approximation using the method will be a) 2/3 b) 4/3 c) 1/3 d) 5/3
The equation $x^3$ - $x^2$ + 4$x$ - 4 = 0 is to be solved using the Newton - Raphson method. If x =2 is taken as the initial approximation of the solution, then the next ...
1 votes
1 answer
135
ISRO 2013- probability [EE]
Ten percent of screws produced in a certain factory turn out to be defective. Find the probability that in a sample of 10 screws chosen at random, exactly two will be defective. a) 0.2 b) 0.25 c) 0.8 d) 0.3 79.
Ten percent of screws produced in a certain factory turn out to be defective. Find the probability that in a sample of 10 screws chosen at random, exactly two will be def...
0 votes
2 answers
136
ISRO 2013 Probability [EE]
An urn contains 5 black and 5 white balls. The probability of drawing two balls of the same colour a) 2/9 b) 4/9 c) 1/9 d) 5/9
An urn contains 5 black and 5 white balls. The probability of drawing two balls of the same coloura) 2/9b) 4/9c) 1/9d) 5/9
0 votes
2 answers
137
ISRO 2013- Integration [EE]
The integrating factor of equation sec 2 y dy/dx + x tan y = x3 is a) $[e]^{x^2/2}$ b) $[e]^ {-x^2/2}$ c) $[e]^{x/2}$ d)$ [e]^{-x/2}$
The integrating factor of equation sec 2 y dy/dx + x tan y = x3 isa) $[e]^{x^2/2}$b) $[e]^ {-x^2/2}$c) $[e]^{x/2}$d)$ [e]^{-x/2}$
1 votes
2 answers
138
ISRO 2013- Area under curve [EE]
The area bounded by the curves $y^2$ = 9x, x - y + 2 = 0 is given by a) 1 b) 1/2 C) 3/2 d) 5/4
The area bounded by the curves $y^2$ = 9x, x - y + 2 = 0 is given bya) 1b) 1/2C) 3/2d) 5/4
0 votes
1 answer
139
ISRO 2013- Functions [EE]
The minimum point of the function ($x^3$ / $3$)- $x$ is at a) x= 1 b) x = -1 c) x = 0 d) x = 1/ √ 3
The minimum point of the function ($x^3$ / $3$)- $x$ is ata) x= 1b) x = -1c) x = 0d) x = 1/ √ 3
1 votes
2 answers
140
ISRO 2013- Matrices [EE]
Characteristic roots of matrix $A$ and $A^T$ will be a) Different b) Same c) Cannot say about roots d) None of these
Characteristic roots of matrix $A$ and $A^T$ will bea) Differentb) Samec) Cannot say about rootsd) None of these
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