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ISRO 2007 Computer Science Questions with Solution
Recent questions tagged isro2007
6
votes
4
answers
31
ISRO2007-50
A view of database that appears to an application program is known as Schema Subschema Virtual table None of these
A view of database that appears to an application program is known asSchemaSubschemaVirtual tableNone of these
go_editor
13.1k
views
go_editor
asked
Jun 10, 2016
Databases
isro2007
databases
rdbms
+
–
11
votes
2
answers
32
ISRO2007-49
One approach to handling fuzzy logic data might be to design a computer using ternary (base-$3$) logic so that data could be stored as “true,” “false,” and “unknown.” If each ternary logic element is called a flit, how many flits are required to represent at least $256$ different values? $4$ $5$ $6$ $7$
One approach to handling fuzzy logic data might be to design a computer using ternary (base-$3$) logic so that data could be stored as “true,” “false,” and “unk...
go_editor
4.5k
views
go_editor
asked
Jun 10, 2016
Digital Logic
isro2007
digital-logic
number-representation
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7
votes
3
answers
33
ISRO2007-48
Which of the following is aggregate function in SQL? Avg Select Ordered by distinct
Which of the following is aggregate function in SQL?AvgSelectOrdered bydistinct
go_editor
3.7k
views
go_editor
asked
Jun 10, 2016
Databases
isro2007
databases
sql
+
–
6
votes
2
answers
34
ISRO2007-47
Which commands are used to control access over objects in relational database? CASCADE & MVD GRANT & REVOKE QUE & QUIST None of these
Which commands are used to control access over objects in relational database?CASCADE & MVDGRANT & REVOKEQUE & QUISTNone of these
go_editor
3.9k
views
go_editor
asked
Jun 10, 2016
Databases
isro2007
databases
sql
+
–
8
votes
2
answers
35
ISRO2007-46
Consider a small $2$-way set-associative cache memory, consisting of four blocks. For choosing the block to be replaced, use the least recently (LRU) scheme. The number of cache misses for the following sequence of block addresses is $8, 12, 0, 12, 8$ $2$ $3$ $4$ $5$
Consider a small $2$-way set-associative cache memory, consisting of four blocks. For choosing the block to be replaced, use the least recently (LRU) scheme. The number o...
go_editor
3.1k
views
go_editor
asked
Jun 10, 2016
CO and Architecture
isro2007
co-and-architecture
cache-memory
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–
8
votes
2
answers
36
ISRO2007-43
On a system using non-preemptive scheduling, processes with expected run times of 5, 18, 9 and 12 are in the ready queue. In what order should they be run to minimize wait time? 5, 12, 9, 18 5, 9, 12, 18 12, 18, 9, 5 9, 12, 18, 5
On a system using non-preemptive scheduling, processes with expected run times of 5, 18, 9 and 12 are in the ready queue. In what order should they be run to minimize wai...
go_editor
7.8k
views
go_editor
asked
Jun 10, 2016
Operating System
isro2007
operating-system
process-scheduling
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12
votes
1
answer
37
ISRO2007-42, UGCNET-June2010-II: 37
Semaphores synchronize critical resources to prevent deadlock synchronize critical resources to prevent contention are used to do I/O are used for memory management
Semaphoressynchronize critical resources to prevent deadlocksynchronize critical resources to prevent contentionare used to do I/Oare used for memory management
go_editor
6.7k
views
go_editor
asked
Jun 10, 2016
Operating System
isro2007
operating-system
process-synchronization
ugcnetcse-june2010-paper2
semaphore
+
–
6
votes
2
answers
38
ISRO2007-41
A task in a blocked state is executable is running must still be placed in the run queues is waiting for some temporarily unavailable resources
A task in a blocked stateis executableis runningmust still be placed in the run queuesis waiting for some temporarily unavailable resources
go_editor
3.0k
views
go_editor
asked
Jun 10, 2016
Operating System
isro2007
operating-system
process
+
–
8
votes
2
answers
39
ISRO2007-40
Consider a system having ‘m’ resources of the same type. The resources are shared by 3 processes A, B, C, which have peak time demands of 3, 4, 6 respectively. The minimum value of ‘m’ that ensures that deadlock will never occur is 11 12 13 14
Consider a system having ‘m’ resources of the same type. The resources are shared by 3 processes A, B, C, which have peak time demands of 3, 4, 6 respectively...
go_editor
2.2k
views
go_editor
asked
Jun 10, 2016
Operating System
isro2007
operating-system
resource-allocation
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7
votes
3
answers
40
ISRO2007-39
Disk requests are received by a disk drive for cylinder 5, 25, 18, 3, 39, 8 and 35 in that order. A seek takes 5 msec per cylinder moved. How much seek time is needed to serve these requests for a Shortest Seek First (SSF) algorithm? Assume that the arm is at cylinder 20 when the last of these requests is made with none of the requests yet served 125 msec 295 msec 575 msec 750 msec
Disk requests are received by a disk drive for cylinder 5, 25, 18, 3, 39, 8 and 35 in that order. A seek takes 5 msec per cylinder moved. How much seek time is needed to ...
go_editor
6.2k
views
go_editor
asked
Jun 10, 2016
Operating System
isro2007
operating-system
disk
+
–
7
votes
2
answers
41
ISRO2007-38
The Hexadecimal equivalent of $01111100110111100011$ is $\textsf{CD73E}$ $\textsf{ABD3F}$ $\textsf{7CDE3}$ $\textsf{FA4CD}$
The Hexadecimal equivalent of $01111100110111100011$ is$\textsf{CD73E}$$\textsf{ABD3F}$$\textsf{7CDE3}$$\textsf{FA4CD}$
go_editor
3.1k
views
go_editor
asked
Jun 10, 2016
Digital Logic
isro2007
digital-logic
number-representation
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–
8
votes
2
answers
42
ISRO2007-37
In comparison with static RAM memory, the dynamic Ram memory has lower bit density and higher power consumption higher bit density and higher power consumption lower bit density and lower power consumption higher bit density and lower power consumption
In comparison with static RAM memory, the dynamic Ram memory haslower bit density and higher power consumptionhigher bit density and higher power consumptionlower bit den...
go_editor
7.1k
views
go_editor
asked
Jun 10, 2016
CO and Architecture
isro2007
co-and-architecture
memory-interfacing
+
–
8
votes
2
answers
43
ISRO2007-36
Consider a computer system that stores a floating-point numbers with $16$-bit mantissa and an $8$-bit exponent, each in two's complement. The smallest and largest positive values which can be stored are : $1 \times 10^{-128} \text{ and } 2^{15} \times 10^{128}$ ... $1 \times 10^{-128} \text{ and } 2^{15}-1 \times 10^{127}$
Consider a computer system that stores a floating-point numbers with $16$-bit mantissa and an $8$-bit exponent, each in two’s complement. The smallest and largest posit...
go_editor
9.6k
views
go_editor
asked
Jun 10, 2016
Digital Logic
isro2007
digital-logic
number-representation
floating-point-representation
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5
votes
1
answer
44
ISRO2007-35
The output $0$ and $1$ level for TTL Logic family is approximately $0.1$ and $5 \text{ V}$ $0.6$ and $3.5 \text{ V}$ $0.9$ and $1.75 \text{ V}$ $-1.75$ and $0.9 \text{ V}$
The output $0$ and $1$ level for TTL Logic family is approximately$0.1$ and $5 \text{ V}$$0.6$ and $3.5 \text{ V}$$0.9$ and $1.75 \text{ V}$$-1.75$ and $0.9 \text{ V}$
go_editor
3.3k
views
go_editor
asked
Jun 10, 2016
Integrated Circuits
isro2007
digital-logic
integrated-circuits
non-gate
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–
6
votes
2
answers
45
ISRO2007-34
Ring counter is analogous to Toggle Switch Latch Stepping Switch S-R flip flop
Ring counter is analogous toToggle SwitchLatchStepping SwitchS-R flip flop
go_editor
3.5k
views
go_editor
asked
Jun 10, 2016
Digital Logic
isro2007
digital-logic
digital-counter
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13
votes
5
answers
46
ISRO2007-33
Company $\text{X}$ shipped $5$ computer chips, $1$ of which was defective. and company $\text{Y}$ shipped $4$ computer chips, $2$ of which were defective. One computer chip is to be chosen uniformly at a random from the $9$ chips shipped by the companies. If the chosen chip ... be defective, what is the probability that the chip came from the company $\text{Y}?$ $2/9$ $4/9$ $2/3$ $1/2$
Company $\text{X}$ shipped $5$ computer chips, $1$ of which was defective. and company $\text{Y}$ shipped $4$ computer chips, $2$ of which were defective. One computer ch...
go_editor
4.5k
views
go_editor
asked
Jun 10, 2016
Probability
isro2007
probability
conditional-probability
+
–
7
votes
1
answer
47
ISRO2007-30
$0.75$ decimal system is equivalent to ____ in octal system $0.60$ $0.52$ $0.54$ $0.50$
$0.75$ decimal system is equivalent to ____ in octal system$0.60$$0.52$ $0.54$$0.50$
go_editor
5.0k
views
go_editor
asked
Jun 10, 2016
Digital Logic
isro2007
digital-logic
number-representation
floating-point-representation
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–
10
votes
3
answers
48
ISRO2007-29
The set of all Equivalence Classes of a set A of Cardinality C is of cardinality $2^c$ have the same cardinality as A forms a partition of A is of cardinality $C^2$
The set of all Equivalence Classes of a set A of Cardinality Cis of cardinality $2^c$have the same cardinality as Aforms a partition of Ais of cardinality $C^2$
go_editor
16.2k
views
go_editor
asked
Jun 10, 2016
Set Theory & Algebra
isro2007
set-theory&algebra
equivalence-class
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–
5
votes
1
answer
49
ISRO2007-28
The level of aggregation of information required for operational control is Detailed Aggregate Qualitative None of the above
The level of aggregation of information required for operational control isDetailedAggregateQualitativeNone of the above
go_editor
3.6k
views
go_editor
asked
Jun 10, 2016
IS&Software Engineering
isro2007
non-gate
is&software-engineering
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–
4
votes
3
answers
50
ISRO2007-27
Virtual memory is Part of Main Memory only used for swapping A technique to allow a program, of size more than the size of main memory, to run Part of secondary storage used in program execution None of these
Virtual memory isPart of Main Memory only used for swappingA technique to allow a program, of size more than the size of main memory, to runPart of secondary storage used...
go_editor
4.1k
views
go_editor
asked
Jun 10, 2016
Operating System
isro2007
operating-system
virtual-memory
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11
votes
3
answers
51
ISRO2007-26
If there are five routers and six networks in intranet using link state routing, how many routing tables are there? $1$ $5$ $6$ $11$
If there are five routers and six networks in intranet using link state routing, how many routing tables are there?$1$$5$$6$$11$
go_editor
7.3k
views
go_editor
asked
Jun 10, 2016
Computer Networks
isro2007
computer-networks
routing
link-state-routing
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7
votes
2
answers
52
ISRO2007-25
What is the name of the technique in which the operating system of a computer executes several programs concurrently by switching back and forth between them? Partitioning Multi-tasking Windowing Paging
What is the name of the technique in which the operating system of a computer executes several programs concurrently by switching back and forth between them?Partitioning...
go_editor
2.9k
views
go_editor
asked
Jun 10, 2016
Operating System
isro2007
operating-system
paging
+
–
12
votes
2
answers
53
ISRO2007-24, ISRO2016-67
Bit stuffing refers to inserting a $0$ in user stream to differentiate it with a flag inserting a $0$ in flag stream to avoid ambiguity appending a nipple to the flag sequence appending a nipple to the use data stream
Bit stuffing refers toinserting a $0$ in user stream to differentiate it with a flaginserting a $0$ in flag stream to avoid ambiguityappending a nipple to the flag sequen...
go_editor
9.7k
views
go_editor
asked
Jun 10, 2016
Computer Networks
isro2007
communication
isro2016
+
–
5
votes
3
answers
54
ISRO2007-23
Study the following program //precondition: x>=0 public void demo(int x) { System.out.print(x % 10); if (x % 10 != 0) { demo(x/10); } System.out.print(x%10); } Which of the following is printed as a result of the call demo $(1234)$? $1441$ $3443$ $12344321$ $43211234$
Study the following program//precondition: x>=0 public void demo(int x) { System.out.print(x % 10); if (x % 10 != 0) { demo(x/10); } System.out.print(x%10); }Which of the...
go_editor
3.6k
views
go_editor
asked
Jun 10, 2016
Algorithms
isro2007
algorithms
identify-function
+
–
7
votes
2
answers
55
ISRO2007-22
Phase transition for each bit are used in Amplitude modulation Carrier modulation Manchester encoding NRZ encoding
Phase transition for each bit are used inAmplitude modulationCarrier modulationManchester encodingNRZ encoding
go_editor
3.9k
views
go_editor
asked
Jun 10, 2016
Computer Networks
isro2007
computer-networks
communication
+
–
8
votes
2
answers
56
ISRO2007-21
An Ethernet hub functions as a repeater connects to a digital PBX connects to a token-ring network functions as a gateway
An Ethernet hubfunctions as a repeaterconnects to a digital PBXconnects to a token-ring networkfunctions as a gateway
go_editor
3.8k
views
go_editor
asked
Jun 10, 2016
Computer Networks
isro2007
computer-networks
ethernet
+
–
9
votes
3
answers
57
ISRO2007-20
If the bandwidth of a signal is $5$ kHz and the lowest frequency is $52$ kHz, what is the highest frequency $5$ kHz $10$ kHz $47$ kHz $57$ kHz
If the bandwidth of a signal is $5$ kHz and the lowest frequency is $52$ kHz, what is the highest frequency$5$ kHz$10$ kHz$47$ kHz$57$ kHz
go_editor
10.2k
views
go_editor
asked
Jun 10, 2016
Computer Networks
isro2007
communication
+
–
9
votes
4
answers
58
ISRO2007-19
Assume that each character code consists of $8$ bits. The number of characters that can be transmitted per second through a synchronous serial line at $2400$ baud rate, and with two stop bits is $109$ $216$ $218$ $219$
Assume that each character code consists of $8$ bits. The number of characters that can be transmitted per second through a synchronous serial line at $2400$ baud rate, a...
go_editor
7.2k
views
go_editor
asked
Jun 10, 2016
Computer Networks
isro2007
serial-communication
+
–
9
votes
5
answers
59
ISRO2007-18
The number of digit 1 present in the binary representation of $3 \times 512 + 7 \times 64 + 5 \times 8 + 3$ is 8 9 10 12
The number of digit 1 present in the binary representation of$3 \times 512 + 7 \times 64 + 5 \times 8 + 3$ is891012
go_editor
12.1k
views
go_editor
asked
Jun 10, 2016
Digital Logic
isro2007
digital-logic
number-representation
+
–
5
votes
1
answer
60
ISRO2007-17
Round Robin schedule is essentially the pre-emptive version of FIFO Shortest job first Shortest remaining time Longest remaining time
Round Robin schedule is essentially the pre-emptive version ofFIFOShortest job firstShortest remaining timeLongest remaining time
go_editor
3.1k
views
go_editor
asked
Jun 10, 2016
Operating System
isro2007
operating-system
process-scheduling
+
–
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