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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Suppose that the time to do a null remote procedure call (RPC) (i.e. 0 data bytes) is 1.0 msec, with an additional 1.5 msec for every 1K of data. How long does it take to read 32 K from the file server as 32 1K RPCs ?(A) 49 msec(B) 80 msec(C) 48 msec(D) 100 msec |
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| 52. |
The following transportation problem:has a solutionThe above solution of a given transportation problem is(A) infeasible solution(B) optimum solution(C) non-optimum solution(D) unbounded solution |
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| 53. |
Consider a 3-puzzle where, like in the usual 8-puzzle game, a tile can only move to an adjacent empty space. Given the initial state, which of the following state cannot be reached?(A) (1)(B) (2)(C) (3)(D) (4) |
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| 54. |
The number of function points of a proposed system is calculated as 500. Suppose that the system is planned to be developed in Java and the LOC/FP ratio of Java is 50. Estimate the effort (E) required to complete the project using the effort formula of basic COCOMO given below :E = a(KLOC)bAssume that the values of a and b are 2.5 and 1.0 respectively.(A) 25 person months(B) 75 person months(C) 62.5 person months(D) 72.5 person months |
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| 55. |
Semi-join strategies are techniques for query processing in distributed database system.Which of the following is a semi-join technique ?(A) Only the joining attributes are sent from one site to another and then all of the rows are returned.(B) All of the attributes are sent from one site to another and then only the required rows are returned.(C) Only the joining attributes are sent from one site to another and then only the required rows are returned.(D) All of the attributes are sent from one site to another and then only the required rows are returned. |
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| 56. |
The symmetric difference of two sets S1 and S2 is defined asS1 ⊖ S2 = {x|x ∈ S1 or x ∈ S2, but x is not in both S1 and S2}The nor of two languages is defined asnor (L1, L2) = {w|w |∈L1 and w |∈ L1}.Which of the following is correct?(A) The family of regular languages is closed under symmetric difference but not closed under nor.(B) The family of regular languages is closed under nor but not closed under symmetric difference.(C) The family of regular languages are closed under both symmetric difference and nor.(D) The family of regular languages are not closed under both symmetric difference and nor. |
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| 57. |
Which of the following is characteristic of an MIS?(A) Provides guidance in identifying problems, finding and evaluating alternative solutions, and selecting or comparing alternatives.(B) Draws on diverse yet predictable data resources to aggregate and summarize data.(C) High volume, data capture focus.(D) Has as its goal the efficiency of data movement and processing and interfacing different TPS. |
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| 58. |
Consider the statement, “Either – 2 ≤ x ≤ – 1 or 1 ≤ x ≤2”.The negation of this statement is(A) x < – 2 or 2 < x or – 1 < x < 1(B) x < – 2 or 2 < x(C) – 1 < x < 1(D) x ≤ – 2 or 2 < x or – 1 < x < 1 |
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| 59. |
How does randomized hill-climbing choose the next move each time?(A) It generates a random move from the moveset, and accepts this move.(B) It generates a random move from the whole state space, and accepts this move.(C) It generates a random move from the moveset, and accepts this move only if this move improves the evaluation function.(D) It generates a random move from the whole state space, and accepts this move only if this move improves the evaluation function. |
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| 60. |
Which of the following statements concerning Object-Oriented databases is FALSE?(A) Objects in an object-oriented database contain not only data but also methods for processing the data.(B) Object-oriented databases store computational instructions in the same place as the data.(C) Object-oriented databases are more adapt at handling structured (analytical) data than relational databases.(D) Object-oriented databases store more types of data than relational databases and access that data faster. |
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| 61. |
What is the function of following UNIX command ?WC – l &lta &gtb&(A) It runs the word count program to count the number of lines in its input, a, writing the result to b, as a foreground process.(B) It runs the word count program to count the number of lines in its input, a, writing the result to b, but does it in the background.(C) It counts the errors during the execution of a process, a, and puts the result in process b.(D) It copies the ‘l’ numbers of lines of program from file, a, and stores in file b. |
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| 62. |
Which of the following is a sequential circuit?(A) Multiplexer(B) Decoder(C) Counter(D) Full adder |
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| 63. |
In _____ method, the word is written to the block in both the cache and main memory, in parallel.(A) Write through(B) Write back(C) Write protected(D) Direct mapping |
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| 64. |
Which of the following statements is TRUE?D1 : The decomposition of the schema R(A, B, C) into R1(A, B) and R2 (A, C) is always lossless.D2 : The decomposition of the schema R(A, B, C, D, E) having AD → B, C → DE, B → AE and AE → C, into R1 (A, B, D) and R2 (A, C, D, E) is lossless.(A) Both D1 and D2(B) Neither D1 nor D2(C) Only D1(D) Only D2 |
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| 65. |
The _____ addressing mode is similar to register indirect addressing mode, except that an offset is added to the contents of the register. The offset and register are specified in the instruction.(A) Base indexed(B) Base indexed plus displacement(C) Indexed(D) Displacement |
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| 66. |
Consider the following game tree in which root is a maximizing node and children are visited left to right. What nodes will be pruned by the alpha-beta pruning ?(A) I(B) HI(C) CHI(D) GHI |
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| 67. |
In distributed databases, location transparency allows for database users, programmers and administrators to treat the data as if it is at one location. A SQL query with location transparency needs to specify:(A) Inheritances(B) Fragments(C) Locations(D) Local formats |
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| 68. |
Consider the following ORACLE relations :R (A, B, C) = {<1, 2, 3>, <1, 2, 0>, <1, 3, 1>, <6, 2, 3>, <1, 4, 2>, <3, 1, 4> }S (B, C, D) = {<2, 3, 7>, <1, 4, 5>, <1, 2, 3>, <2, 3, 4>, <3, 1, 4>}.Consider the following two SQL queries SQ1 and SQ2 :SQ1 : SELECT R⋅B, AVG (S⋅B)FROM R, SWHERE R⋅A = S⋅C AND S⋅D < 7GROUP BY R⋅B;SQ2 : SELECT DISTINCT S⋅B, MIN (S⋅C)FROM SGROUP BY S⋅BHAVING COUNT (DISTINCT S⋅D) > 1;If M is the number of tuples returned by SQ1 and N is the number of tuples returned by SQ2 then(A) M = 4, N = 2(B) M = 5, N = 3(C) M = 2, N = 2(D) M = 3, N = 3 |
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| 69. |
The register that stores all interrupt requests is:(A) Interrupt mask register(B) Interrupt service register(C) Interrupt request register(D) Status register |
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| 70. |
Which of the following in 8085 microprocessor performs HL = HL + DE ?(A) DAD D(B) DAD H(C) DAD B(D) DAD SP |
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| 71. |
Consider the relations R(A, B) and S(B, C) and the following four relational algebra queries over R and S:I. ΠA, B (R ⨝ S)II. R ⨝ ΠB(S)III. R ∩ (ΠA(R) × ΠB(S))IV. ΠA, R.B (R × S) where R⋅B refers to the column B in table R.One can determine that:(A) I, III and IV are the same query.(B) II, III and IV are the same query.(C) I, II and IV are the same query.(D) I, II and III are the same query. |
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| 72. |
8085 microprocessor has _____ hardware interrupts.(A) 2(B) 3(C) 4(D) 5 |
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| 73. |
Encrypt the plain text Message “EXTRANET” using Transposition cipher technique with the following key:Using ‘Z’ as bogus character.(A) TAXERTZENZ(B) EXTRANETZZ(C) EZXZTRZANZET(D) EXTZRANZETZ |
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