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ISRO 2014 Computer Science Questions with Solution

Recent questions tagged isro2013

4 votes
1 answer
61
ISRO-2013-21
What will be the cipher text produced by the following cipher function for the plain text ISRO with key $k=7$. [ Consider $'A'=0, 'B'=1,....'Z'=25$] $C_{k} (M) = (kM + 13) \mod 26$ RJCH QIBG GQPM XPIN
What will be the cipher text produced by the following cipher function for the plain text ISRO with key $k=7$. [ Consider $'A'=0, 'B'=1,....'Z'=25$]$C_{k} (M) = (kM + 13)...
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4 votes
2 answers
62
ISRO-2013-20
IEEE 1394 is related to $RS-232$ $USB$ Firewire PCI
IEEE 1394 is related to$RS-232$$USB$FirewirePCI
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4 votes
2 answers
63
ISRO-2013-19
What is the maximum number of characters (7 bits + parity) that can be transmitted in a second on a $19.2$ Kbps line. This asynchronous transmission requires $1$ start bit and $1$ stop bit. $192$ $240$ $1920$ $1966$
What is the maximum number of characters (7 bits + parity) that can be transmitted in a second on a $19.2$ Kbps line. This asynchronous transmission requires $1$ start bi...
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2 votes
5 answers
64
ISRO-2013-18
How many check bits are required for $16$ bit data word to detect $2$ bit errors and single bit correction using hamming code? $5$ $6$ $7$ $8$
How many check bits are required for $16$ bit data word to detect $2$ bit errors and single bit correction using hamming code?$5$$6$$7$$8$
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7 votes
6 answers
65
ISRO-2013-17
Two eight bit bytes $1100 0011$ and $0100 1100$ are added. What are the values of the overflow, carry and zero flags respectively, if the arithmetic unit of the CPU uses $2$'s complement form? $0, 1, 1'$ $1, 1, 0$ $1, 0, 1$ $0, 1, 0$
Two eight bit bytes $1100 0011$ and $0100 1100$ are added. What are the values of the overflow, carry and zero flags respectively, if the arithmetic unit of the CPU use...
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8 votes
5 answers
66
ISRO-2013-16
How much speed do we gain by using the cache, when cache is used $80$% of the time? Assume cache is faster than main memory. $5.27$ $2.00$ $4.16$ $6.09$
How much speed do we gain by using the cache, when cache is used $80$% of the time? Assume cache is faster than main memory.$5.27$$2.00$$4.16$$6.09$
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9 votes
7 answers
67
ISRO-2013-15
A pipeline $P$ operating at $400$ MHz has a speedup factor of $6$ and operating at $70$% efficiency. How many stages are there in the pipeline? $5$ $6$ $8$ $9$
A pipeline $P$ operating at $400$ MHz has a speedup factor of $6$ and operating at $70$% efficiency. How many stages are there in the pipeline?$5$$6$$8$$9$
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9 votes
5 answers
68
ISRO-2013-14
A processor is fetching instructions at the rate of $1$ MIPS. A DMA module is used to transfer characters to RAM from a device transmitting at $9600$ bps. How much time will the processor be slowed down due to DMA activity? $9.6$ms $4.8$ms $2.4$ms $1.2$ms
A processor is fetching instructions at the rate of $1$ MIPS. A DMA module is used to transfer characters to RAM from a device transmitting at $9600$ bps. How much time w...
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5 votes
1 answer
69
ISRO-2013-13
The number $1102$ in base $3$ is equivalent to $123$ in which base system? $4$ $5$ $6$ $8$
The number $1102$ in base $3$ is equivalent to $123$ in which base system?$4$$5$$6$$8$
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2 votes
3 answers
70
ISRO-2013-12
Which of the following sorting algorithms has the minimum running time complexity in the best and average case? Insertion sort, Quick sort Quick sort, Quick sort Quick sort, Insertion sort Insertion sort, Insertion sort
Which of the following sorting algorithms has the minimum running time complexity in the best and average case?Insertion sort, Quick sortQuick sort, Quick sortQuick sort,...
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10 votes
4 answers
71
ISRO-2013-11
When two $\text{BCD}$ numbers $0\times14$ and $0\times08$ are added what is the binary representation of the resultant number ? $0\times22$ $0\times1c$ $0\times16$ results in overflow
When two $\text{BCD}$ numbers $0\times14$ and $0\times08$ are added what is the binary representation of the resultant number ?$0\times22$$0\times1c$$0\times16$results in...
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7 votes
3 answers
72
ISRO-2013-10
If the frame buffer has 8 bits per pixel and 8 bits are allocated for each of the $R, G, B$ components, what would be the size of the lookup table? $24$ bytes $1024$ bytes $768$ bytes $256$ bytes
If the frame buffer has 8 bits per pixel and 8 bits are allocated for each of the $R, G, B$ components, what would be the size of the lookup table?$24$ bytes$1024$ bytes$...
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9 votes
3 answers
73
ISRO-2013-9
In an array of $2N$ elements that is both 2-ordered and 3-ordered, what is the maximum number of positions that an element can be from its position if the array were 1-ordered? $1$ $2$ $N/2$ $2N - 1$
In an array of $2N$ elements that is both 2-ordered and 3-ordered, what is the maximum number of positions that an element can be from its position if the array were 1-or...
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5 votes
3 answers
74
ISRO-2013-8
Which logic gate is used to detect overflow in 2's compliment arithmetic? OR gate AND gate NAND gate XOR gate
Which logic gate is used to detect overflow in 2's compliment arithmetic?OR gateAND gateNAND gateXOR gate
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8 votes
3 answers
76
ISRO-2013-6
Which of the following productions eliminate left recursion in the productions given below: $S \rightarrow Aa \mid b$ $A \rightarrow Ac \mid Sd \mid \epsilon$ ... $S \rightarrow Aa \mid b, A \rightarrow cA' \mid adA' \mid bdA', A' \rightarrow A \mid \epsilon$
Which of the following productions eliminate left recursion in the productions given below:$S \rightarrow Aa \mid b$$A \rightarrow Ac \mid Sd \mid \epsilon$$S \rightarrow...
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5 votes
1 answer
77
ISRO-2013-5
Shift reduce parsing belongs to a class of Bottom up parsing. Top down parsing. Recursive parsing. Predictive parsing.
Shift reduce parsing belongs to a class ofBottom up parsing.Top down parsing.Recursive parsing.Predictive parsing.
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5 votes
2 answers
78
ISRO-2013-4
The following steps in a linked list p = getnode() info(p) = 10 next (p) = list list = p result in which type of operation? Pop operation in stack Removal of a node Inserting a node Modifying an existing node
The following steps in a linked listp = getnode() info(p) = 10 next (p) = list list = presult in which type of operation?Pop operation in stackRemoval of a nodeInserting ...
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2 votes
3 answers
79
ISRO-2013-3
Opportunistic reasoning is addressed by which of the following knowledge representation? Script Blackboard Production Rules Fuzzy Logic
Opportunistic reasoning is addressed by which of the following knowledge representation?ScriptBlackboardProduction RulesFuzzy Logic
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10 votes
2 answers
80
ISRO-2013-2
The number of rotations required to insert a sequence of elements $9, 6, 5, 8, 7, 10$ into an empty $AVL$ tree is? $0$ $1$ $2$ $3$
The number of rotations required to insert a sequence of elements $9, 6, 5, 8, 7, 10$ into an empty $AVL$ tree is?$0$$1$$2$$3$
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11 votes
2 answers
81
ISRO-2013-1
Let $A(1:8, -5:5, -10:5)$ be a three dimensional array. How many elements are there in the array $A$? $1200$ $1408$ $33$ $1050$
Let $A(1:8, -5:5, -10:5)$ be a three dimensional array. How many elements are there in the array $A$?$1200$$1408$$33$$1050$
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