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Recent questions tagged isro-ece
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ISRO 2006-ECE Eigen Values
The Eigen values of are: a) 6, 1 b) 6, -1 c) -6, 1 d) -6,-1
The Eigen values of are:a) 6, 1b) 6, -1c) -6, 1d) -6,-1
sh!va
537
views
sh!va
asked
Mar 4, 2017
Linear Algebra
isro-ece
engineering-mathematics
linear-algebra
eigen-value
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–
1
votes
3
answers
2
ISRO2006-ECE calculus
sh!va
607
views
sh!va
asked
Mar 4, 2017
Calculus
isro-ece
engineering-mathematics
calculus
integration
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–
0
votes
1
answer
3
ISRO 2006-ECE Functions
$x^3$ + $x$ sin $x$ is a) Constant function b) Odd function c) Even function d) Periodic function
$x^3$ + $x$ sin $x$ isa) Constant functionb) Odd functionc) Even functiond) Periodic function
sh!va
1.8k
views
sh!va
asked
Mar 4, 2017
Linear Algebra
isro-ece
engineering-mathematics
linear-algebra
functions
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–
1
votes
1
answer
4
ISRO 2006- ECE Probability
A box contains 5 black and 5 red balls. Two balls are one after another from the box, without replacement. The probability of both balls being red is a) 1/90 b) 1/5 c) 19/90 d) 2/9
A box contains 5 black and 5 red balls. Two balls are one after another from the box, without replacement. The probability of both balls being red isa) 1/90b) 1/5c) 19/...
sh!va
328
views
sh!va
asked
Mar 4, 2017
Probability
isro-ece
engineering-mathematics
probability
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–
0
votes
1
answer
5
ISRO 2006-ECE Concurrent Lines
The value of k for which the lines 2x + y -1 = 0,4x + 3y - 3 = 0 and 3x + ky - 2 = 0. are concurrent is a) -2 b) 3 c) 2 d) -3
The value of k for which the lines 2x + y -1 = 0,4x + 3y - 3 = 0 and 3x + ky - 2 = 0. are concurrent isa) -2b) 3c) 2d) -3
sh!va
362
views
sh!va
asked
Mar 4, 2017
Linear Algebra
isro-ece
engineering-mathematics
linear-algebra
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–
0
votes
3
answers
6
ISRO 2006-ECE Matrix determinant
The determinant of is: a) 0 b) -1 c) 1 d) 2
The determinant of is:a) 0b) -1c) 1d) 2
sh!va
378
views
sh!va
asked
Mar 4, 2017
Linear Algebra
isro-ece
engineering-mathematics
linear-algebra
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–
0
votes
1
answer
7
ISRO 2006- ECE K Map
The function shown in the figure when simplified will yield a result with _______ terms $2$ $4$ $7$ $14$
The function shown in the figure when simplified will yield a result with _______ terms$2$$4$$7$$14$
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1.2k
views
sh!va
asked
Mar 3, 2017
Digital Logic
digital-logic
isro-ece
k-map
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1
votes
1
answer
8
ISRO 2006-ECE
Given the decimal number -19 an eight bit two's complement representation is given by a) 11101110 b) 11101101 c) 11101100 d) none of these
Given the decimal number -19 an eight bit two's complement representation is given bya) 11101110b) 11101101c) 11101100d) none of these
sh!va
1.1k
views
sh!va
asked
Mar 3, 2017
Digital Logic
isro-ece
digital-logic
number-representation
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0
votes
2
answers
9
ISRO 2006- ECE
If the memory chip size is 256 x 1 bits, then the number of chips required to make up 1K bytes of memory is a) 32 b) 24 c) 12 d) 8
If the memory chip size is 256 x 1 bits, then the number of chips required to make up 1K bytes of memory isa) 32b) 24c) 12d) 8
sh!va
1.3k
views
sh!va
asked
Mar 3, 2017
CO and Architecture
isro-ece
co-and-architecture
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–
1
votes
1
answer
10
ISRO 2006 -ECE Venn Diagrams
The Boolean expression for the shaded area in the Venn diagram is a) X'+Y' +Z b) XY'Z + X'YZ c) X + Y + Z d) X'Y'Z+XY
The Boolean expression for the shaded area in the Venn diagram isa) X'+Y' +Zb) XY'Z + X'YZc) X + Y + Zd) X'Y'Z+XY
sh!va
3.0k
views
sh!va
asked
Mar 3, 2017
Mathematical Logic
isro-ece
digital-logic
boolean-algebra
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0
votes
1
answer
11
ISRO 2006- ECE Boolean algebra
For the switch circuit, taking open as 0 and closed as 1, the expression for the circuit is $\text{Y}$. $A+ (B+C) D$ $A+ BC +D$ $A (BC+D)$ None of these
For the switch circuit, taking open as 0 and closed as 1, the expression for the circuit is $\text{Y}$.$A+ (B+C) D$$A+ BC +D$$A (BC+D)$None of these
sh!va
1.8k
views
sh!va
asked
Mar 3, 2017
Digital Logic
isro-ece
digital-logic
boolean-algebra
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–
0
votes
1
answer
12
ISRO 2006-ECE A/D converter
10 bit A/D converters, the quantization error is given by (in percent) a) 1 b) 2 c) 0.1 d) 0.2
10 bit A/D converters, the quantization error is given by (in percent)a) 1b) 2c) 0.1d) 0.2
sh!va
4.4k
views
sh!va
asked
Mar 3, 2017
Digital Logic
isro-ece
digital-logic
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–
0
votes
1
answer
13
ISRO 2006- ECE Gray code
Gray code for number 7 is a) 1100 b) 1001 c)0110 d) 0100
Gray code for number 7 isa) 1100b) 1001c)0110d) 0100
sh!va
462
views
sh!va
asked
Mar 3, 2017
Digital Logic
isro-ece
digital-logic
number-representation
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–
1
votes
1
answer
14
ISRO 2006-ECE Flipflops
Which of the following statements are correct ? 1. A flip-flop is used to store $1$ bit of information. 2. Race-around condition occurs in a $J$-$K$ flip-flop when both the inputs are $1$. 3. Master-slave configuration is used in flip-flops to store $2$ bits of information. 4. A transparent ... -type flip-flop. $1$,$2$ and $3$ $1$,$3$ and $4$ $1$,$2$ and $4$ $2$,$3$ and $4$
Which of the following statements are correct ?1. A flip-flop is used to store $1$ bit of information.2. Race-around condition occurs in a $J$-$K$ flip-flop when both the...
sh!va
2.4k
views
sh!va
asked
Mar 3, 2017
Digital Logic
isro-ece
digital-logic
flip-flop
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–
0
votes
1
answer
15
ISRO 2006-ECE WAIT states
WAIT states are used to a) Make the processor wait during a DMA operation b) Make the processor wait during a power interrupt processing c) Make the processor wait during a power shutdown d) Interface slow peripherals to the processor
WAIT states are used toa) Make the processor wait during a DMA operationb) Make the processor wait during a power interrupt processingc) Make the processor wait during a ...
sh!va
1.3k
views
sh!va
asked
Mar 3, 2017
CO and Architecture
isro-ece
co-and-architecture
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–
0
votes
0
answers
16
ISRO 2006-ECE A/D Converter
The A/D converter used in a digital voltmeter could be (1) successive approximation type (2) Flash converter type (3) Dual slope converter type. The correct sequence in the increasing order of their conversion times is a) 1,2,3 b) 2,1,3 c) 3,2,1 d) 3,1,2
The A/D converter used in a digital voltmeter could be (1) successive approximation type (2) Flash converter type (3) Dual slope converter type. The correct sequence in t...
sh!va
750
views
sh!va
asked
Mar 3, 2017
Digital Logic
isro-ece
digital-logic
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–
0
votes
1
answer
17
ISRO 2006-ECE Ripple counter
A Pulse train with a frequency of 1MHz is counted using a modulo 1024 ripple-counter built with J-K flip-flops. For proper operation of the counter the maximum permissible propagation delay per flip-flop stage is a) 100 n sec b) 50 n sec c) 20 n sec d) 10 n sec
A Pulse train with a frequency of 1MHz is counted using a modulo 1024 ripple-counter built with J-K flip-flops. For proper operation of the counter the maximum permissibl...
sh!va
2.1k
views
sh!va
asked
Mar 3, 2017
Digital Logic
isro-ece
digital-logic
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0
votes
0
answers
18
ISRO 2006-ECE AND OR gates
In the given network of AND and OR gates f can be written as: a) X0 X1 X2 .....Xn + X1 X2 . ....Xn + X2 X3 ....Xn.... Xn b) X0 X1 + X2 + X3 +....... +Xn-1 . Xn C) X0+X1+ X2+ .......+ Xn d) X0 X1 X3........ Xn-1 + X2+X3+X5 ......... Xn-1 + ........+ Xn-2 + Xn-1 +Xn
In the given network of AND and OR gates f can be written as: a) X0 X1 X2 .....Xn + X1 X2 . ....Xn + X2 X3 ....Xn.... Xnb) X0 X1 + X2 + X3 +....... +Xn-1 . XnC) X0+X1+ X2...
sh!va
693
views
sh!va
asked
Mar 3, 2017
Digital Logic
isro-ece
digital-logic
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–
0
votes
1
answer
19
ISRO 2006-ECE NAND gates
Assuming that only the X and Y logic inputs are available and their complements X' and Y' are not available, what is the minimum number of two-input NAND gates requires to implement X ⊕ Y? a) 2 b) 3 c) 4 d) 5
Assuming that only the X and Y logic inputs are available and their complements X' and Y' are not available, what is the minimum number of two-input NAND gates requires t...
sh!va
1.3k
views
sh!va
asked
Mar 3, 2017
Digital Logic
digital-logic
isro-ece
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–
0
votes
2
answers
20
ISRO 2007- ECE Matrices
The Algebraic multiplicity of the matrix A= is a) 1 b) 2 c) 3 d) 4
The Algebraic multiplicity of the matrix A= isa) 1b) 2c) 3d) 4
sh!va
841
views
sh!va
asked
Mar 3, 2017
Linear Algebra
isro-ece
engineering-mathematics
linear-algebra
+
–
1
votes
2
answers
21
ISRO 2007- ECE Probability
A bag contains eight white and six red marbles. The probability of drawing two marbles of same colour is a) $8c_2$ .$6c_2$ / $14c_2$ b) $8c_2$ /$14c_2$ + $6c_2$ /$14c_2$ c) $8c_2$ .$6c_2$ /$14c_2$.$14c_2$ d)$8c_2$ /$14c_2$ + $6c_2$ /$12c_2$
A bag contains eight white and six red marbles. The probability of drawing two marbles of same colour isa) $8c_2$ .$6c_2$ / $14c_2$ b) $8c_2$ /$14c_2$ + $6c_2$ /$14c_2$c...
sh!va
773
views
sh!va
asked
Mar 3, 2017
Probability
isro-ece
engineering-mathematics
probability
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–
0
votes
1
answer
22
ISRO 2007- ECE Geometry
Equation of a straight line passing through the point (-1,2) and making equal intercepts on the axes is a) x -y =1 b)x-2y=1 c)x+y=1 d) x-y=2
Equation of a straight line passing through the point (-1,2) and making equal intercepts on the axes isa) x -y =1b)x-2y=1c)x+y=1d) x-y=2
sh!va
370
views
sh!va
asked
Mar 3, 2017
Linear Algebra
isro-ece
engineering-mathematics
geometry
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–
1
votes
0
answers
23
ISRO 2007- ECE Integration
sh!va
220
views
sh!va
asked
Mar 3, 2017
Calculus
isro-ece
engineering-mathematics
calculus
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–
0
votes
1
answer
24
ISRO 2007- ECE Determinant
The value of determinant is: a) 0 b) 1 c) 3 d) a+b+c
The value of determinant is:a) 0b) 1c) 3d) a+b+c
sh!va
458
views
sh!va
asked
Mar 3, 2017
Linear Algebra
isro-ece
engineering-mathematics
linear-algebra
+
–
0
votes
1
answer
25
ISRO 2007-ECE Roots of equation
If a,b,c are the roots of equations $x^3$ + p$x^ 2$ +q$x$+p=0, Then the value of $tan^{-1} a+ tan^{-1 }b+tan^{-1}c$ is a) n π /4 b) n π /2 c) n π d) 2n π
If a,b,c are the roots of equations $x^3$ + p$x^ 2$ +q$x$+p=0, Then the value of $$tan^{-1} a+ tan^{-1 }b+tan^{-1}c$$ isa) n π /4b) n π /2c) n πd) 2n π
sh!va
768
views
sh!va
asked
Mar 3, 2017
Linear Algebra
isro-ece
engineering-mathematics
+
–
0
votes
1
answer
26
ISRO 2007- ECE Z plane
The region of the z plane for which |z-a|/|z+a| = 1 ($Re(a)$ ≠ 0) is: a) x-axis b) y axis c) The straight line z = lal d) None of the above
The region of the z plane for which |z-a|/|z+a| = 1 ($Re(a)$ ≠ 0) is:a) x-axisb) y axisc) The straight line z = lald) None of the above
sh!va
629
views
sh!va
asked
Mar 3, 2017
Linear Algebra
isro-ece
engineering-mathematics
+
–
0
votes
1
answer
27
ISRO 2007- ECE Vectors
A unit vector perpendicular to the vectors a= 2i –3j + k and b=i+j-2k , is a) (1/ √ 3 ) (–i+j+k) b) (1/ √ 3 )(i+j- k) c) (1/ √ 3 )(i + j+k) d) (i+j+k)
A unit vector perpendicular to the vectors a= 2i –3j + k and b=i+j-2k , isa) (1/ √ 3 ) (–i+j+k)b) (1/ √ 3 )(i+j- k)c) (1/ √ 3 )(i + j+k)d) (i+j+k)
sh!va
561
views
sh!va
asked
Mar 3, 2017
Linear Algebra
isro-ece
engineering-mathematics
+
–
0
votes
2
answers
28
ISRO 2007- ECE Half Adder using NAND
The sum S of A and B in a half Adder can be implemented by using K NAND gates. The value of K is a) 3 b) 4 c) 5 d) None of these
The sum S of A and B in a half Adder can be implemented by using K NAND gates. The value of K isa) 3b) 4c) 5d) None of these
sh!va
3.4k
views
sh!va
asked
Mar 3, 2017
Digital Logic
isro-ece
digital-logic
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–
0
votes
1
answer
29
ISRO 2007- ECE Program Counter
When a program is being executed in an 8085 microprocessor, its Program Counter contains a) The number of instructions in the current program that have already been executed b) The total number of instructions in the program being executed c) ... of the instruction that is being currently executed d) The memory address of the instruction that is to be executed next
When a program is being executed in an 8085 microprocessor, its Program Counter containsa) The number of instructions in the current program that have already been execut...
sh!va
770
views
sh!va
asked
Mar 3, 2017
CO and Architecture
isro-ece
co-and-architecture
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–
0
votes
1
answer
30
ISRO 2007- ECE Time division MUX
In time division multiplexing a) Time is doubled between bits of a byte b) Time slicing at CPU level takes place c) Total time available in the channel is divided between several users and each users is allotted a time slice. d) None of the above
In time division multiplexinga) Time is doubled between bits of a byteb) Time slicing at CPU level takes placec) Total time available in the channel is divided between se...
sh!va
443
views
sh!va
asked
Mar 3, 2017
CO and Architecture
isro-ece
co-and-architecture
+
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