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Recent questions tagged isro-ece
0
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121
ISRO 2011 -ECE Operating System
Which of the following is not true regarding a preemptive kernel a. If a high priority thread becomes ready to run, low priority thread is preempted b. The kernel checks for the high priority ready to run threads when ever called c. The executing thread is never interrupted d. There are special demands on communication between threads and handling common resources
Which of the following is not true regarding a preemptive kernela. If a high priority thread becomes ready to run, low priority thread is preemptedb. The kernel checks fo...
sh!va
491
views
sh!va
asked
Feb 28, 2017
Operating System
isro-ece
operating-system
threads
interrupts
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–
0
votes
1
answer
122
ISRO 2011- ECE Computer Architecture
Which of the following statements with reference to a generic microprocessor is correct? a. Instruction cycle time period is exactly equal to machine cycle time period b. Instruction cycle time period is shorter than machine cycle time ... shorter than instruction cycle time period d. Instruction cycle time period is exactly half of machine cycle time period
Which of the following statements with reference to a generic microprocessor is correct?a. Instruction cycle time period is exactly equal to machine cycle time periodb. I...
sh!va
488
views
sh!va
asked
Feb 28, 2017
CO and Architecture
isro-ece
isro2011-ece
co-and-architecture
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0
votes
1
answer
123
ISRO 2011-ECE Linear Algebra
Which of the following system is linear? a) $y(n)$ = $e^{x(n)}$ b) $y(n) $= A$x(n$)+B c) $y(n) $= $x$($n ^2$) d) $y(n) $= $x ^2(n)$
Which of the following system is linear?a) $y(n)$ = $e^{x(n)}$b) $y(n) $= A$x(n$)+Bc) $y(n) $= $x$($n ^2$)d) $y(n) $= $x ^2(n)$
sh!va
439
views
sh!va
asked
Feb 28, 2017
Linear Algebra
isro-ece
isro2011-ece
engineering-mathematics
linear-algebra
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0
votes
3
answers
124
ISRO 2011-ECE Digital Logic
In a JK Flipflop we have J= Q' and K=1. assuming that the flipflop was initially cleared and clocked for 6 pulses, the sequence at the Q output will be a) 010000 b) 011001 c) 010010 d) 010101
In a JK Flipflop we have J= Q' and K=1. assuming that the flipflop was initially cleared and clocked for 6 pulses, the sequence at the Q output will bea) 010000b) 011001...
sh!va
3.7k
views
sh!va
asked
Feb 28, 2017
Digital Logic
isro-ece
isro2011-ece
digital-logic
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0
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0
answers
125
ISRO 2011-ECE COmputer Networks
The critical angle of an optical fiber is given by __________ where n1 is refractive index of medium 1 and n2 is the refractive index of medium 2 a) $sin^{-1} $(n2/n1) b) $sin^{-1} $(n1/n2) c) $sin^{-1} $(n2*n1) d) $sin^{-1} $ n2
The critical angle of an optical fiber is given by __________ where n1 is refractive index of medium 1 and n2 is the refractive index of medium 2a) $sin^{-1} $(n2/n1)b) $...
sh!va
293
views
sh!va
asked
Feb 28, 2017
Computer Networks
isro-ece
isro2011-ece
computer-networks
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0
votes
0
answers
126
ISRO 2011-ECE Computer networks
The modulation normally used with digital data is a) AM b) FM c) SSB d) QPSK
The modulation normally used with digital data isa) AMb) FMc) SSBd) QPSK
sh!va
1.9k
views
sh!va
asked
Feb 28, 2017
Computer Networks
isro-ece
isro2011-ece
computer-networks
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0
votes
1
answer
127
ISRO 2011- ECE Mathematics
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sh!va
324
views
sh!va
asked
Feb 28, 2017
Linear Algebra
isro-ece
isro2011-ece
engineering-mathematics
linear-algebra
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0
votes
1
answer
128
ISRO 2011- ECE Operating System
_______________ is a primitive that can execute code. It contains an instruction pointer (=program counter) and sometimes has its own stack. a) $Process$ b) $Task$ c) $Kernel$ d) $Thread$
_______________ is a primitive that can execute code. It contains an instruction pointer (=program counter) and sometimes has its own stack.a) $Process$b) $Task$c) $Kern...
sh!va
610
views
sh!va
asked
Feb 28, 2017
Operating System
isro-ece
isro2011-ece
operating-system
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2
votes
1
answer
129
ISRO 2011-ECE Computer Architecture
A microprocessor with 12 bit address bus will be able to access ________ kilobytes of memory a) 0.4 b) 2 c) 10 d) 4
A microprocessor with 12 bit address bus will be able to access ________ kilobytes of memorya) 0.4b) 2c) 10d) 4
sh!va
499
views
sh!va
asked
Feb 28, 2017
CO and Architecture
isro-ece
isro2011-ece
co-and-architecture
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–
0
votes
0
answers
130
ISRO 2011-ECE Computer Networks
In satellite communication, frequency modulation is used because satellite channel has a. High Modulation index b. Small bandwith and negligible noise c. Large bandwidth and severe noise d. Maximum Bandwidth and Minimum noise
In satellite communication, frequency modulation is used because satellite channel hasa. High Modulation indexb. Small bandwith and negligible noisec. Large bandwidth and...
sh!va
373
views
sh!va
asked
Feb 28, 2017
Computer Networks
computer-networks
isro-ece
isro2011-ece
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0
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0
answers
131
ISRO 2011-ECE Networks
The channel capacity under the Gaussian noise environment for a discrete memory less channel with a bandwidth of 4 MHz and SNR 31 is a. 20 Mbps b. 4 Mbps c. 8 Kbps d. 4 Kbps
The channel capacity under the Gaussian noise environment for a discrete memory less channel with a bandwidth of 4 MHz and SNR 31 isa. 20 Mbpsb. 4 Mbpsc. 8 Kbpsd. 4 Kbps
sh!va
530
views
sh!va
asked
Feb 28, 2017
Computer Networks
computer-networks
isro2011-ece
isro-ece
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1
votes
4
answers
132
ISRO2012-ECE Probability
Person $\text{X}$ can solve $80\%$ of the ISRO question paper and Person $\text{Y}$ 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$
Person $\text{X}$ can solve $80\%$ of the ISRO question paper and Person $\text{Y}$ can solve $60\%.$ The probability that at least one of them will solve a problem from ...
sh!va
1.3k
views
sh!va
asked
Feb 28, 2017
Probability
isro2012-ece
isro-ece
engineering-mathematics
probability
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0
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1
answer
133
ISRO 2012- ECE Probability
a) 0 & 1 b) 1 & 2 c) 1 & 4 d) None of these
a) 0 & 1b) 1 & 2c) 1 & 4d) None of these
sh!va
478
views
sh!va
asked
Feb 28, 2017
Probability
engineering-mathematics
isro-ece
isro2012-ece
probability
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0
votes
4
answers
134
ISRO 2012- ECE Matrices
The Eigen values of matrix are: a) ± cos∝ b) ± sin ∝ c) tan ∝ & cot ∝ d) cos ∝ ± sin ∝
The Eigen values of matrix are:a) ± cos∝b) ± sin ∝c) tan ∝ & cot ∝d) cos ∝ ± sin ∝
sh!va
715
views
sh!va
asked
Feb 28, 2017
Linear Algebra
engineering-mathematics
isro-ece
isro2012-ece
linear-algebra
eigen-value
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1
votes
1
answer
135
ISRO2012-ECE: Engineering Mathematics
The area bounded by the curves $y^2 =x, y=x $ is given by $2/3$ $1/2$ $1/6$ $1/3$
The area bounded by the curves $y^2 =x, y=x $ is given by$2/3$$1/2$$1/6$$1/3$
sh!va
316
views
sh!va
asked
Feb 28, 2017
Calculus
isro-ece
isro2012-ece
engineering-mathematics
calculus
area
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1
votes
2
answers
136
ISRO2012-ECE Engineering Mathematics
$1-x$ $(1-x)/x$ $1/x$ $x/(1-x)$
$1-x$$(1-x)/x$$1/x$$x/(1-x)$
sh!va
507
views
sh!va
asked
Feb 28, 2017
Calculus
engineering-mathematics
isro2012-ece
isro-ece
calculus
differentiation
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1
votes
3
answers
137
ISRO2012-ECE: Engineering Mathematics
The system of equations $x + y + z = 6, 2x + y + z = 7, x + 2 y + z = 8$ has A unique solution No solution An infinite number of solutions None of these
The system of equations $x + y + z = 6, 2x + y + z = 7, x + 2 y + z = 8$ hasA unique solutionNo solutionAn infinite number of solutionsNone of these
sh!va
416
views
sh!va
asked
Feb 28, 2017
Linear Algebra
isro2012-ece
isro-ece
linear-algebra
system-of-equations
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–1
votes
0
answers
138
ISRO 2012- ECE : Engineering mathematics
If $A$, $B$ & $C$ are vectors and $A = 1.u_ x + 2.u _y + 3.u_ z$ , $B = 1.u _x+ 1.u _y + 1.u _z$ , and $C = 3.u _x+ 2.u _y + 1.u _z$ then ($A$ x $B$).$C$ is : a) 2 b) 1 c) 0 d) -1
If $A$, $B$ & $C$ are vectors and $A = 1.u_ x + 2.u _y + 3.u_ z$ , $B = 1.u _x+ 1.u _y + 1.u _z$ , and $C = 3.u _x+ 2.u _y + 1.u _z$ then ($A$ x $B$).$C$ is :a) 2b) 1c) ...
sh!va
299
views
sh!va
asked
Feb 28, 2017
Linear Algebra
isro-ece
engineering-mathematics
linear-algebra
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2
votes
0
answers
139
ISRO2012-ECE Computer Architecture
"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.
"Cycle Stealing" in microprocessor parlance refers toa. Special type of DMA access by an external deviceb. RESET operation at power ON by microprocessorc. Interrupt Ackno...
sh!va
351
views
sh!va
asked
Feb 27, 2017
CO and Architecture
co-and-architecture
isro2012-ece
isro-ece
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–
1
votes
1
answer
140
ISRO2012-ECE 8085 processor
The complement Accumulator (CMA) instruction in $8085$ processor on execution affects Zero flag Sign flag Overflow flag none of the above
The complement Accumulator (CMA) instruction in $8085$ processor on execution affectsZero flagSign flagOverflow flagnone of the above
sh!va
1.2k
views
sh!va
asked
Feb 27, 2017
CO and Architecture
isro2012-ece
isro-ece
co-and-architecture
8085-microprocessor
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2
votes
1
answer
141
ISRO2012-ECE: Computer Architecture
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: Stack Pointer Program Counter Accumulator Non of the above
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:Stack PointerProgram CounterAccumulatorNon of t...
sh!va
511
views
sh!va
asked
Feb 27, 2017
CO and Architecture
isro-ece
co-and-architecture
isro2012-ece
8085-microprocessor
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–
1
votes
1
answer
142
ISRO2012- ECE Digital logic: ADC
The number of comparators needed in a $8$ bit flash type ADC is: $8$ $16$ $255$ $256$
The number of comparators needed in a $8$ bit flash type ADC is:$8$$16$$255$$256$
sh!va
579
views
sh!va
asked
Feb 27, 2017
Digital Logic
digital-logic
isro-ece
isro2012-ece
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2
votes
2
answers
143
ISRO2012-ECE Boolean Logic
The truth table for implementing a Boolean variable $\text{F}$ is given where $d$ represents don't care states. The minimized expression for $\text{F}$ is: $BC' +AC'+AB$ $AB+ C'$ $A'BC'+ AB'C'+ABC$ None of the above
The truth table for implementing a Boolean variable $\text{F}$ is given where $d$ represents don't care states. The minimized expression for $\text{F}$ is:$BC' +AC'+AB$$A...
sh!va
767
views
sh!va
asked
Feb 27, 2017
Digital Logic
isro-ece
isro2012-ece
digital-logic
boolean-algebra
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–
1
votes
1
answer
144
ISRO2012-ECE Number system
If $(146)_x + (313) _{x-2} = (246)_ 8$ then the value of $x$ will be $5$ $6$ $7$ $9$
If $(146)_x + (313) _{x-2} = (246)_ 8$ then the value of $x$ will be$5$$6$$7$$9$
sh!va
1.0k
views
sh!va
asked
Feb 27, 2017
Digital Logic
isro-ece
isro2012-ece
digital-logic
number-representation
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–
1
votes
0
answers
145
ISRO2012-ECE Networks
Following constellation diagram represents: $16$ PSK $16$ QAM $16$ APSK All the above
Following constellation diagram represents:$16$ PSK$16$ QAM$16$ APSKAll the above
sh!va
586
views
sh!va
asked
Feb 27, 2017
Computer Networks
isro-ece
isro2012-ece
computer-networks
+
–
3
votes
0
answers
146
ISRO2012-ECE Computer architecture
Minimum number of bits required to represent maximum value of an analog signal with accuracy of $0.1\%$ is $8$ bits $9$ bits $10$ bits $12$ bits
Minimum number of bits required to represent maximum value of an analog signal with accuracy of $0.1\%$ is$8$ bits$9$ bits$10$ bits$12$ bits
sh!va
895
views
sh!va
asked
Feb 27, 2017
CO and Architecture
co-and-architecture
isro-ece
isro2012-ece
analog-signal
+
–
1
votes
1
answer
147
ISRO2013-ECE Digital Logic
What is the division factor of the given clock divider circuit? $2$ $3$ $1.5$ $2.5$
What is the division factor of the given clock divider circuit?$2$$3$$1.5$$2.5$
sh!va
1.6k
views
sh!va
asked
Feb 27, 2017
Digital Logic
isro2013-ece
isro-ece
digital-logic
sequential-circuit
flip-flop
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–
1
votes
0
answers
148
ISRO2013-ECE Computer architecture
A memory system of size $16 \;\text{K}$ bytes is required to be designed using memory chips which have $12$ address lines and $4$ data lines each. The number of such chips required to design the system is: $2$ $4$ $8$ $16$
A memory system of size $16 \;\text{K}$ bytes is required to be designed using memory chips which have $12$ address lines and $4$ data lines each. The number of such chip...
sh!va
479
views
sh!va
asked
Feb 27, 2017
CO and Architecture
isro-ece
isro2013-ece
co-and-architecture
memory-interfacing
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–
4
votes
1
answer
149
ISRO2013-ECE Digital Logic
If a counter having $10$ flip flops is initially at $0,$ what count will it hold after $2060$ pulses? $000\; 000\; 1100$ $000 \;001\; 1100$ $000 \;001\; 1000$ $000 \;000\; 1110$
If a counter having $10$ flip flops is initially at $0,$ what count will it hold after $2060$ pulses?$000\; 000\; 1100$$000 \;001\; 1100$$000 \;001\; 1000$$000 \;000\; 11...
sh!va
4.0k
views
sh!va
asked
Feb 27, 2017
Digital Logic
digital-logic
isro-ece
isro2013-ece
sequential-circuit
digital-counter
+
–
2
votes
2
answers
150
ISRO2013-ECE 2s compliment number
The two numbers represented in signed $\text{2s}$ complement form are $\text{P}= 11101101$ and $\text{Q}= 11100110.$ If $\text{Q}$ is subtracted from $\text{P},$ the value obtained in signed $\text{2s}$ complement form is: $1000001111$ $00000111$ $11111001$ $111111001$
The two numbers represented in signed $\text{2s}$ complement form are $\text{P}= 11101101$ and $\text{Q}= 11100110.$ If $\text{Q}$ is subtracted from $\text{P},$ the valu...
sh!va
9.0k
views
sh!va
asked
Feb 27, 2017
Digital Logic
isro-ece
isro2013-ece
digital-logic
number-representation
+
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