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ISRO 2014 Computer Science Questions with Solution

Recent questions tagged isro2014

3 votes
2 answers
61
ISRO2014-13
Which of the following is true with respect to Reference? A reference can never be NULL A reference needs an explicit dereferencing mechanism A reference can be reassigned after it is established A reference and pointer are synonymous
Which of the following is true with respect to Reference?A reference can never be NULLA reference needs an explicit dereferencing mechanismA reference can be reassigned a...
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8 votes
4 answers
63
ISRO2014-5
What is the number of steps required to derive the string $((()\; ())\; ())$ for the following grammar? $S \to SS$ $S \to (S)$ $S \to \varepsilon$ $10$ $12$ $15$ $16$
What is the number of steps required to derive the string $((()\; ())\; ())$ for the following grammar?$S \to SS$$S \to (S)$$S \to \varepsilon$ $10$ $12$ ...
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2 votes
3 answers
64
ISRO2014-51
Which of the following is NOT represented in a subroutine's activation record frame for a stack-based programming language? Values of local variables Return address Heap area Information needed to access non local variables
Which of the following is NOT represented in a subroutine's activation record frame for a stack-based programming language?Values of local variablesReturn addressHeap are...
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2 votes
3 answers
65
ISRO2014-18
Consider the following segment table in segmentation scheme : ... entry at the physical address $2527$ for segment Id $2$ A trap is generated Deadlock Fetches the entry at offset $27$ in Segment Id $3$
Consider the following segment table in segmentation scheme :$\begin{array}{|l|l|l|l|l|}\hline \textbf{Segment ID} & \textbf{Base} & \textbf{Limit} \\\hline \text{0} & \...
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6 votes
1 answer
67
ISRO2014-10
The number of logical CPUs in a computer having two physical quad-core chips with hyper threading enabled is ______ $1$ $2$ $8$ $16$
The number of logical CPUs in a computer having two physical quad-core chips with hyper threading enabled is ______$1$$2$$8$$16$
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12 votes
5 answers
68
ISRO2014-1
Consider a $33$ MHz cpu based system. What is the number of wait states required if it is interfaced with a $60$ ns memory? Assume a maximum of $10$ ns delay for additional circuitry like buffering and decoding. $0$ $1$ $2$ $3$
Consider a $33$ MHz cpu based system. What is the number of wait states required if it is interfaced with a $60$ ns memory? Assume a maximum of $10$ ns delay for addition...
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7 votes
1 answer
69
ISRO2014-30
Every time the attribute A appears, it is matched with the same value of attribute B but not the same value of attribute C. Which of the following is true? A -> (B,C) A -> B, A ->> C A -> B, C ->> A A ->> B, B -> C
Every time the attribute A appears, it is matched with the same value of attribute B but not the same value of attribute C. Which of the following is true?A - (B,C) ...
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14 votes
4 answers
70
ISRO2014-28
Suppose there are $11$ items in sorted order in an array. How many searches are required on the average, if binary search is employed and all searches are successful in finding the item? $3.00$ $3.46$ $2.81$ $3.33$
Suppose there are $11$ items in sorted order in an array. How many searches are required on the average, if binary search is employed and all searches are successful in f...
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7 votes
1 answer
72
ISRO2014-19
The number of bit strings of length $8$ that will either start with $1$ or end with $00$ is? $32$ $128$ $160$ $192$
The number of bit strings of length $8$ that will either start with $1$ or end with $00$ is?$32$ $128$ $160$ $192$
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1 votes
2 answers
73
ISRO2014-39
If only one memory location is to be reserved for a class variable, no matter how many objects are instantiated, then the variable should be declared as extern static volatile const
If only one memory location is to be reserved for a class variable, no matter how many objects are instantiated, then the variable should be declared asexternstaticvolati...
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10 votes
3 answers
74
ISRO2014-37
The probability that two friends are born in the same month is ____ ? $1/6$ $1/12$ $1/144$ $1/24$
The probability that two friends are born in the same month is ____ ?$1/6$$1/12$$1/144$$1/24$
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6 votes
3 answers
75
ISRO2014-8
In the standard $\text{IEEE}$ $754$ single precision floating point representation, there is $1$ bit for sign, $23$ bits for fraction and $8$ bits for exponent. What is the precision in terms of the number of decimal digits? $5$ $6$ $7$ $8$
In the standard $\text{IEEE}$ $754$ single precision floating point representation, there is $1$ bit for sign, $23$ bits for fraction and $8$ bits for exponent. What is t...
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4 votes
3 answers
76
ISRO2014-66
Consider a system where each file is associated with a 16 bit number. For each file, each user should have the read and write capability. How much memory is needed to store each user's access data? 16 KB 32 KB 64 KB 128 KB
Consider a system where each file is associated with a 16 bit number. For each file, each user should have the read and write capability. How much memory is needed to sto...
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7 votes
2 answers
77
ISRO2014-25
Suppose you want to build a memory with $4$ byte words and a capacity of $2^{21}$ bits. What is type of decoder required if the memory is built using $2K \times$ $8$ $\text{RAM}$ chips? $\text{5 to 32}$ $\text{6 to 64}$ $\text{4 to 16}$ $\text{7 to 128}$
Suppose you want to build a memory with $4$ byte words and a capacity of $2^{21}$ bits. What is type of decoder required if the memory is built using $2K \times$ $8$ $\te...
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10 votes
6 answers
78
ISRO2014-17
If each address space represents one byte of storage space, how many address lines are needed to access RAM chips arranged in a $4 \times 6$ array, where each chip is $8\;\text{K} \times 4$ bits? $13$ $15$ $16$ $17$
If each address space represents one byte of storage space, how many address lines are needed to access RAM chips arranged in a $4 \times 6$ array, where each chip is $8\...
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10 votes
3 answers
79
ISRO2014-21, UGCNET-Dec2012-III: 23, UGCNET-Dec2013-III: 22
What are the final values of $\text{Q}_1$ and $\text{Q}_0$ after $4$ clock cycles, if initial values are $00$ in the sequential circuit shown below: $11$ $01$ $10$ $00$
What are the final values of $\text{Q}_1$ and $\text{Q}_0$ after $4$ clock cycles, if initial values are $00$ in the sequential circuit shown below:$11$$01$$10$$00$
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19 votes
5 answers
80
ISRO2014-2
The number of states required by a Finite State Machine,to simulate the behavior of a computer with a memory capable of storing 'm' words, each of length 'n' bits is? $m \times 2^n$ $2^{m+n}$ $2^{mn}$ $m+n$
The number of states required by a Finite State Machine,to simulate the behavior of a computer with a memory capable of storing 'm' words, each of length 'n' bits is?$m \...
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