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Answers by Nbhardwaj

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1
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
answered May 24, 2020 in Operating System 6.3k views
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2
Armstrong’s inference rule doesnot determine Reflexivity Augmentation Transitivity Mutual dependency
answered May 24, 2020 in Databases 1.5k views
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3
Which operation is used to extract specified columns from a table? Project Join Extract Substitute
answered May 24, 2020 in Databases 2.2k views
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4
In which of the following scheduling criteria, context switching will never take place? ROUND ROBIN Preemptive SJF Non-preemptive SJF Preemptive priority
answered May 17, 2020 in Operating System 581 views
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5
In Challenge-Response authentication the claimant ____ Proves that she knows the secret without revealing it Proves that she does not know the secret Reveals the secret Gives a challenge
answered May 17, 2020 in Computer Networks 308 views
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6
A pushdown automata behaves like a Turing machine when the number of auxiliary memory is 0 1 1 or more 2 or more
answered May 17, 2020 in Theory of Computation 692 views
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7
The finite state machine given in figure below recognizes: anu string of odd number of a's anu string of odd number of b's any string of even number of a's and odd number of b's any string of odd number of a's and odd number of b's
answered May 17, 2020 in Theory of Computation 2.8k views
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8
​​​​​​​Consider a vocabulary with only four propositions A, B, C and D. How many models are there for the following sentence? $\neg A \vee \neg B \vee \neg C \vee \neg D$ $7$ $8$ $15$ $16$
answered May 16, 2020 in Unknown Category 635 views
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9
Consider the following minimax game tree search What will be the value probagated at the root? $3$ $4$ $5$ $6$
answered May 16, 2020 in Unknown Category 248 views
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10
​​​​​​​Which of the following statement/s is/are true ? Facebook has the world’s largest Hadoop Cluster. Hadoop $2.0$ allows live stream processing of Real time data. Choose the correct answer from the code given below : $Code :$ (i) only (ii) only Both (i) and (ii) Neither (i) nor (ii)
answered May 16, 2020 in Unknown Category 313 views
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11
In $3D$ Graphics, which of the following statements is/are true? P: Back-face culling is an example of image-precision visible-surface determination procedure. Q: Z- buffer is a $16$-bit, $32$-bit, or $64$ bit field associated with each pixel in a frame ... visible surfaces at each pixel Choose the correct answer from the code given below : $Code:$ P only Q only P and Q Neither P nor Q
answered May 16, 2020 in Unknown Category 463 views
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12
In PERT/CPM, the merge event represents _____ of two or more events. completion beginning splitting joining
answered May 14, 2020 in Numerical Methods 1.9k views
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13
In networking terminology UTP means Uniquitous teflon port Uniformly terminating port Unshielded twisted pair Unshielded T-connector port
answered Jan 26, 2020 in Computer Networks 1.9k views
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14
Device on one network can communicate with devices on another network via a (A) Hub/Switch (B) Utility server (C) File server (D) Gateway
answered Jan 26, 2020 in Computer Networks 822 views
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15
In HTTP, the first line in a request message is called a _______ line; the first line in the response message is called the ________ line.
answered Jan 25, 2020 in Computer Networks 199 views
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16
Identify valid statements pertaining to switching S1: Computer networks are based on packet switching. S2: Packet switching increases the available throughput. (A) Both S1 and S2 (B) S1 only (C) S2 only (D) Neither S1 nor S2
answered Jan 25, 2020 in Computer Networks 156 views
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17
To connect 15 system in local network, how many 8 port switch required...if switch dont have uplink.
answered Jan 25, 2020 in Computer Networks 390 views
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18
Which of the following is TRUE? Every relation in 3NF is also in BCNF A relation R is in 3NF if every non-prime attribute of R is fully functionally dependent on every key of R Every relation in BCNF is also in 3NF No relation can be in both BCNF and 3NF
answered Sep 24, 2019 in Databases 9.2k views
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19
Which of the following is not a maturity level as per Capability Maturity Model? Initial Measurable Repeatable Optimized
answered Sep 16, 2019 in IS&Software Engineering 2.6k views
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20
Which of the following is not a maturity level as per Capability Maturity Model? Initial Measurable Repeatable Optimized
answered Sep 16, 2019 in IS&Software Engineering 2.6k views
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21
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22
$KPA$ in $CMM$ stands for Key Process Area Key Product Area Key Principal Area Key Performance Area
answered Sep 16, 2019 in IS&Software Engineering 589 views
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23
In a function oriented design, we minimize cohesion and maximize coupling maximize cohesion and minimize coupling maximize cohesion and maximize coupling minimize cohesion and minimize coupling
answered Sep 15, 2019 in IS&Software Engineering 1.2k views
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24
Validation means are we building the product right are we building the right product verification of fields None of the above
answered Sep 15, 2019 in IS&Software Engineering 977 views
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25
Which process model is also called as classic life cycle model? Waterfall model RAD model Prototyping model Incremental model
answered Sep 15, 2019 in IS&Software Engineering 1.5k views
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26
Temporal cohesion means Coincidental cohesion Cohesion between temporary variables Cohesion between local variables Cohesion with respect to time
answered Sep 15, 2019 in IS&Software Engineering 2k views
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27
To compute function points $(FP)$, the following relationship is used $FP$ = Count - total $\times (0.65 + 0.01 \times \sum(F_{i}))$ where $F_{i} (i = 1$ to $n$) are value adjustment factors $(VAF)$ based on $n$ questions. The value of $n$ is $12$ $14$ $16$ $18$
answered Sep 15, 2019 in IS&Software Engineering 2.2k views
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28
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29
Testing of software with actual data and in actual environment is called Alpha testing Beta testing Regression testing None of the above
answered Sep 15, 2019 in IS&Software Engineering 5.3k views
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30
Which one of the following is not a step of requirement engineering? Requirement elicitation Requirement analysis Requirement design Requirement documentation
answered Sep 15, 2019 in IS&Software Engineering 994 views
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