Recent questions tagged isro-ee

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If x = √ -1. then the value of x x is(a) e- π /2(b) x(c) e π /2(d) 1
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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
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3
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 resist...
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OS that permits multiples programs to run simultaneously using single processor is referred as(a) Multitasking(b) Multi user(c) Multithreading(d) Multiprocessing
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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...
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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, ...
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8
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...
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9
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 / ...
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10
The truth tableXYF000010101111 Represent the Boolean function(a) X(b) X - Y(c) X +Y(d) Y
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11
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 ...
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12
If tan $\Theta$ = 8 / 15 and $\Theta$ is acute, then cosec $\Theta$(A) 8 / 17(B) 8 / 15(C) 17 / 8(D) 17 / 15
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13
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
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14
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) $(-...
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15
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 ...
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17
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
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18
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 ...
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19
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...
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20
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
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21
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}$
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22
The area bounded by the curves $y^2$ = 9x, x - y + 2 = 0 is given bya) 1b) 1/2C) 3/2d) 5/4
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23
The minimum point of the function ($x^3$ / $3$)- $x$ is ata) x= 1b) x = -1c) x = 0d) x = 1/ √ 3
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24
Characteristic roots of matrix $A$ and $A^T$ will bea) Differentb) Samec) Cannot say about rootsd) None of these
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25
The vectors $x_1$ = $(1,2,4)$, $x_2$ = $(2,-1,3)$, $x_3$ = $(0,1,2)$, $x_4$ = $(-3,7,2)$ area) Linearly independentb) Linearly dependentc) No relationd) Exponentially dep...
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26
In an all NOR gate realization of a combinational circuit all EVEN and ODD level gates behave likea) OR and ANDb) AND and ORc) OR and NOTd) NOR and AND
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27
Which of the following Boolean algebra rules is correct?a) A.A' = 1b) A+AB = A+Bc) A+A'B = A+Bd) A(A+B) = B
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28
The derivative of a ideal step function is:a) Zerob) undefinedc) Impulse functiond) Sine function
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