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Recent questions tagged isro-ee
0
votes
2
answers
1
ISRO 2015- Complex Numbers [EE]
If x = √ -1. then the value of x x is (a) e- π /2 (b) x (c) e π /2 (d) 1
sh!va
asked
in
Linear Algebra
Mar 10, 2017
by
sh!va
611
views
isro-ee
engineering-mathematics
1
vote
1
answer
2
ISRO 2015- Differential equation [EE]
The solution of the differential equation (d y /dx)=ky , Y(0)= C is (a) x =ce-xy (b) y= cekx (c) x =ke cy (d) y= ce-kx
sh!va
asked
in
Calculus
Mar 10, 2017
by
sh!va
970
views
isro-ee
engineering-mathematics
calculus
0
votes
1
answer
3
ISRO 2015 Regsiters [EE]
Resistor of microprocessor which keeps track of the execution of program and which contain the memory address of next instruction to be executed is called (a) Index resistor (b) Program counter (c) Memory address resistor (d) Instruction resistor
sh!va
asked
in
CO and Architecture
Mar 10, 2017
by
sh!va
1.1k
views
isro-ee
0
votes
1
answer
4
ISRO 2015- OS [EE]
OS that permits multiples programs to run simultaneously using single processor is referred as (a) Multitasking (b) Multi user (c) Multithreading (d) Multiprocessing
sh!va
asked
in
Operating System
Mar 10, 2017
by
sh!va
1.1k
views
isro-ee
operating-system
0
votes
1
answer
5
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
sh!va
asked
in
Computer Networks
Mar 10, 2017
by
sh!va
2.6k
views
isro-ee
computer-networks
0
votes
2
answers
6
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
sh!va
asked
in
CO and Architecture
Mar 10, 2017
by
sh!va
1.1k
views
isro-ee
co-and-architecture
1
vote
1
answer
7
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
sh!va
asked
in
Computer Networks
Mar 10, 2017
by
sh!va
617
views
isro-ee
computer-networks
1
vote
1
answer
8
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
sh!va
asked
in
Digital Logic
Mar 10, 2017
by
sh!va
1.5k
views
isro-ee
digital-logic
1
vote
2
answers
9
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
sh!va
asked
in
Digital Logic
Mar 10, 2017
by
sh!va
2.3k
views
digital-logic
isro-ee
1
vote
4
answers
10
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
sh!va
asked
in
Digital Logic
Mar 10, 2017
by
sh!va
541
views
isro-ee
digital-logic
1
vote
2
answers
11
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
sh!va
asked
in
Probability
Mar 10, 2017
by
sh!va
828
views
isro-ee
engineering-mathematics
probability
0
votes
2
answers
12
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
sh!va
asked
in
Linear Algebra
Mar 10, 2017
by
sh!va
693
views
isro-ee
engineering-mathematics
0
votes
1
answer
13
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
sh!va
asked
in
Linear Algebra
Mar 10, 2017
by
sh!va
487
views
isro-ee
engineering-mathematics
1
vote
1
answer
14
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) $(1/3, 7/3)$
sh!va
asked
in
Linear Algebra
Mar 10, 2017
by
sh!va
843
views
engineering-mathematics
isro-ee
1
vote
1
answer
15
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
sh!va
asked
in
Linear Algebra
Mar 10, 2017
by
sh!va
346
views
isro-ee
engineering-mathematics
linear-algebra
0
votes
1
answer
16
ISRO 2013- Quadractic equation [EE]
If the sum of the roots of the quadratic equation a$x^2$ + b$x$ + c = 0 is equal to the sum of the squares of their reciprocals, then a/c, b/a and c/b are in: (A) arithmetic progression (B) geometric progression (C) arithmetic-geometric-progression (D) harmonic progression
sh!va
asked
in
Linear Algebra
Mar 10, 2017
by
sh!va
990
views
isro-ee
engineering-mathematics
linear-algebra
0
votes
1
answer
17
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
sh!va
asked
in
Linear Algebra
Mar 10, 2017
by
sh!va
1.2k
views
isro-ee
engineering-mathematics
0
votes
1
answer
18
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
sh!va
asked
in
Linear Algebra
Mar 10, 2017
by
sh!va
2.1k
views
isro-ee
engineering-mathematics
1
vote
1
answer
19
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.
sh!va
asked
in
Probability
Mar 10, 2017
by
sh!va
3.8k
views
isro-ee
probability
0
votes
2
answers
20
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
sh!va
asked
in
Probability
Mar 10, 2017
by
sh!va
858
views
isro-ee
engineering-mathematics
probability
0
votes
2
answers
21
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}$
sh!va
asked
in
Calculus
Mar 10, 2017
by
sh!va
800
views
isro-ee
engineering-mathematics
1
vote
2
answers
22
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
sh!va
asked
in
Calculus
Mar 10, 2017
by
sh!va
971
views
isro-ee
engineering-mathematics
integration
0
votes
1
answer
23
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
sh!va
asked
in
Calculus
Mar 10, 2017
by
sh!va
1.3k
views
isro-ee
engineering-mathematics
calculus
1
vote
2
answers
24
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
sh!va
asked
in
Linear Algebra
Mar 10, 2017
by
sh!va
747
views
isro-ee
matrix
0
votes
1
answer
25
ISRO 2013- Vectors [EE]
The vectors $x_1$ = $(1,2,4)$, $x_2$ = $(2,-1,3)$, $x_3$ = $(0,1,2)$, $x_4$ = $(-3,7,2)$ are a) Linearly independent b) Linearly dependent c) No relation d) Exponentially dependent
sh!va
asked
in
Linear Algebra
Mar 10, 2017
by
sh!va
445
views
engineering-mathematics
isro-ee
1
vote
1
answer
26
ISRO 2013- Combinational circuit [EE]
In an all NOR gate realization of a combinational circuit all EVEN and ODD level gates behave like a) OR and AND b) AND and OR c) OR and NOT d) NOR and AND
sh!va
asked
in
Digital Logic
Mar 10, 2017
by
sh!va
1.3k
views
isro-ee
digital-logic
1
vote
1
answer
27
ISRO 2013 - Boolean algebra - [EE]
Which of the following Boolean algebra rules is correct? a) A.A' = 1 b) A+AB = A+B c) A+A'B = A+B d) A(A+B) = B
sh!va
asked
in
Digital Logic
Mar 10, 2017
by
sh!va
1.1k
views
engineering-mathematics
isro-ee
0
votes
1
answer
28
ISRO 2013 Differentiation - [EE]
The derivative of a ideal step function is: a) Zero b) undefined c) Impulse function d) Sine function
sh!va
asked
in
Calculus
Mar 10, 2017
by
sh!va
901
views
engineering-mathematics
isro-ee
calculus
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