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Recent questions tagged isro2012-ece

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4 answers
1
Person X can solve 80% of the ISRO question paper and Person Y can solve 60%. The probability that at least one of them will solve a problem from the question paper, selected at random is : a. 0.48 b. 0.70 c. 0.88 d. 0.92
asked Feb 28, 2017 in Probability sh!va 386 views
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1 answer
2
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4 answers
3
The Eigen values of matrix are: a) ± cos∝ b) ± sin ∝ c) tan ∝ & cot ∝ d) cos ∝ ± sin ∝
asked Feb 28, 2017 in Linear Algebra sh!va 144 views
0 votes
1 answer
4
The area bounded by the curves $y^2 =x, y=x $ is given by a. 2/3 b. 1/2 c. 1/6 d. 1/3
asked Feb 28, 2017 in Calculus sh!va 96 views
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2 answers
5
0 votes
3 answers
6
The system of equations x + y + z = 6, 2x + y + z = 7, x + 2 y + z = 8 has a. A unique solution b. No solution c. An infinite number of solutions d. None of these
asked Feb 28, 2017 in Linear Algebra sh!va 97 views
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1 answer
7
Principle of "locality" is used in context of a. Addressing lowest Memory address by microprocessor b. Addressing Highest Memory.address by microprocessor c. Accessing Cache memory locations. d. None of above.
asked Feb 27, 2017 in CO and Architecture sh!va 157 views
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0 answers
8
"Cycle Stealing" in microprocessor parlance refers to a. Special type of DMA access by an external device b. RESET operation at power ON by microprocessor c. Interrupt Acknowledge cycle d. none of above.
asked Feb 27, 2017 in Digital Logic sh!va 141 views
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9
The complement Accumulator (CMA) instruction in 8085 processor on execution affects a)Zero flag b) Sign flag c) Overflow flag d) none of the above
asked Feb 27, 2017 in CO and Architecture sh!va 317 views
1 vote
1 answer
10
The register in 8085 that is used to keep track of the memory address of the next opcode to be run in the program is the: a) Stack Pointer b) Program Counter c) Accumulator d) Non of the above
asked Feb 27, 2017 in CO and Architecture sh!va 145 views
0 votes
1 answer
11
The number of comparators needed in a 8 bit flash type ADC is: a) 8 b) 16 c) 255 d) 256
asked Feb 27, 2017 in Digital Logic sh!va 171 views
0 votes
2 answers
12
The truth table for implementing a Boolean variable $\text{F}$ is given where $\text{d}$ represents don't care states. The minimized expression for $\text{F}$ is: BC' +AC'+AB AB+ C' A'BC'+ AB'C'+ABC None of the above
asked Feb 27, 2017 in Digital Logic sh!va 201 views
0 votes
1 answer
13
If $(146)_x + (313) _{x-2} = (246)_ 8$ then the value of $x$ will be a) 5 b) 6 c) 7 d) 9
asked Feb 27, 2017 in CO and Architecture sh!va 342 views
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0 answers
14
Following constellation diagram represents: $16$ PSK $16$ QAM $16$ APSK All the above
asked Feb 27, 2017 in Computer Networks sh!va 184 views
2 votes
0 answers
15
Minimum number of bits required to represent maximum value of an analog signal with accuracy of 0.1% is a) 8 bits b) 9 bits c) 10 bits d) 12 bits
asked Feb 27, 2017 in CO and Architecture sh!va 343 views
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