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Recent questions tagged nielit-2021-it-dec-scientistb

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NIELIT 2021 Dec Scientist B - Section B: 1
The number of un-labeled non-isomorphic graphs with four vertices is: $12$ $11$ $10$ $9$

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NIELIT 2021 Dec Scientist B - Section B: 2
Consider the following $2$ bit counter using $\text{T}$ flip-flops following $0-2-3-1-0$ sequence. What should be the value of $x$? $\text{Q}_{2}$ $\text{Q}_{1}+\text{Q}_{2}$ $\text{Q}_{1}\oplus \text{Q}_{2}$ $\text{Q}_{1}\oplus \overline{\text{Q}}_{2}$

admin asked in Digital Logic Jul 21, 2022

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NIELIT 2021 Dec Scientist B - Section B: 3
How to add a background color in $\text {HTML}$ for marquee Tag? <marquee bgcolor : “red”> <marquee bg-color = “red”> <marquee bgcolor = “red”> <marquee color = “red”>

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NIELIT 2021 Dec Scientist B - Section B: 4
Maximum number of bits required to represent any character from $\text {ASCII}$ code set is: $10$ $8$ $7$ $3$

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NIELIT 2021 Dec Scientist B - Section B: 5
$\text{ALU}$ does not perform the operation of: Data transfer Logical operation Arithmetic operation Comparison operation

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NIELIT 2021 Dec Scientist B - Section B: 6
A sorting algorithm which passes through a list to exchange the first element with smallest element in the remaining elements is known as____________. Insertion sort Selection sort Heap sort Bubble sort

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NIELIT 2021 Dec Scientist B - Section B: 7
Arrange the following in increasing orders of asymptotic complexity. $f1(n)=2^{n}, f2(n)=n^{\frac{3}{2}}, f3(n)=n\log n,f4(n)=n^{\log n}$ $f3, f2, f4, f1$ $f3, f2, f1, f4$ $f2, f3, f1, f4$ $f2, f3, f4, f1$

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NIELIT 2021 Dec Scientist B - Section B: 8
Test levels are performed in which order? Unit, Integration, Acceptance, System. It depends on the nature of a project. Unit, Integration, System, Acceptance. Unit, System, Integration, Acceptance.

admin asked in Others Jul 21, 2022

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NIELIT 2021 Dec Scientist B - Section B: 9
Specify, which of the following is preferred method for enforcing data integrity? Constraints Stored procedure Triggers Cursors

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NIELIT 2021 Dec Scientist B - Section B: 10
Mention which of the following is a special type of integrity constraint that relates two relations & maintains consistency across the relations. Entity Integrity Constraints. Referential Integrity Constraints Domain Integrity Constraints Domain Constraints

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NIELIT 2021 Dec Scientist B - Section B: 11
In $\text {E-R}$ diagrams roles are indicated by labelling the lines that connect which two shapes: Diamond, Diamond Rectangle, Circle Rectangle, Rectangle Diamond, Rectangle

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NIELIT 2021 Dec Scientist B - Section B: 12
Which of the following methods can be used to solve the Knapsack problem? Brute force algorithm Recursion Dynamic programming Brute force, Recursion, and Dynamic Programming

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NIELIT 2021 Dec Scientist B - Section B: 13
For which one of the following sequences $\text{CAN NOT}$ be a degree sequence of a graph of order $5?$ $3, 3, 2, 2, 2$ $3, 3, 3, 3, 2$ $3, 3, 3, 2, 2$ $4, 3, 3, 2, 2$

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NIELIT 2021 Dec Scientist B - Section B: 14
Efficiency in a software product does not include: responsiveness processing time memory utilization licensing

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NIELIT 2021 Dec Scientist B - Section B: 15
The size of the physical address space of a processor is $2^{\text{P}}$ bytes. The word length is $2^{\text{W}}$ bytes. The capacity of cache memory is $2^{\text{N}}$ bytes. The size of each cache block $2^{\text{M}}$ words. For a $\text {K-Way}$ set associative ... $\text {P- N} + \log_{2} \text{K}$ $\text {P- N} - \log_{2} \text{K}$

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NIELIT 2021 Dec Scientist B - Section B: 16
In dynamic programming approach the optimum solution is calculated in the following way: Divide and conquer Top up fashion Bottom-up approach Mixed approach

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NIELIT 2021 Dec Scientist B - Section B: 17
Which is indicating use of virtual functions? Overloading Overriding Static binding Dynamic binding

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NIELIT 2021 Dec Scientist B - Section B: 18
The determinant of matrix $\begin{bmatrix} 0 & p-q & p-r \\ q-p &0 & q-r\\ r-p &r-q &0 \end{bmatrix}$ is ____________. $0$ $(p - q) (q - r) (r - p)$ $pqr$ $3pqr$

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NIELIT 2021 Dec Scientist B - Section B: 19
In which types of following data structure, an element is inserted at one end called Rear and deleted at other end called Front? Stack Queue Height balanced Avl tree Binary tree

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20

NIELIT 2021 Dec Scientist B - Section B: 20
Build & Fix Model is suitable for programming exercises of how many $\text{LOC}$ (Line of Code)? $100 – 200$ $200 – 400$ $400 – 1000$ above $1000$

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NIELIT 2021 Dec Scientist B - Section B: 21
What will be the output of the following $\text{ C'}$ ... $3\;\;1\;\;2\;\;2\;\;1\;\;3\;\;4$ $3\;\;1\;\;2\;\;1\;\;1\;\;1\;\;2$

admin asked in Programming in C Jul 21, 2022

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22

NIELIT 2021 Dec Scientist B - Section B: 22
Cache memory works on the principle of: Locality of data Locality of memory Locality of reference Locality of reference & memory

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NIELIT 2021 Dec Scientist B - Section B: 23
Merge Sort divides the input list in: $\text {N}$ equal parts Three equal parts Two parts which may not be equal $\text {N}$ parts which may not be equal

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24

NIELIT 2021 Dec Scientist B - Section B: 24
Consider a program with following data: Unique operator $=10$, unique operands $=15$ Total operator $=30$, Total operands $=40$ What is the estimated length of program? $132$ $92$ $32$ $82$

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25

NIELIT 2021 Dec Scientist B - Section B: 25
Let $\text{P}(x)$ be $x$ is perfect , $\text{F}(x)$ be $x$ is your friend and the domain be all people. The statement, At least one of your friends is perfect is : $ \forall x \; \text{(F}(x) \rightarrow \text{P}(x)) $ ... $ \exists x \; \text{(F}(x) \land \text{P}(x)) $ $ \exists x \; \text{(F}(x) \rightarrow \text{P}(x)) $

admin asked in Others Jul 21, 2022

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NIELIT 2021 Dec Scientist B - Section B: 26
In $\text{C++}$, dynamic memory allocation is accomplished with which of the following operator: this new delete malloc()

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27

NIELIT 2021 Dec Scientist B - Section B: 27
The number of $4$ digit numbers which contain not more than two different digits is : $576$ $567$ $513$ $504$

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NIELIT 2021 Dec Scientist B - Section B: 28
Which $\text{TCP/IP}$ protocol is used for file transfer with minimal capability and minimal overhead? $\text{RARP}$ $\text{FTP}$ $\text{TFTP}$ $\text{TELNET}$

admin asked in Others Jul 21, 2022

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NIELIT 2021 Dec Scientist B - Section B: 29
Which of the following tag is used for inserting the largest heading in $\text{HTML}$? $<\text{h}3>$ $<\text{h}1>$ $<\text{h}5>$ $<\text{h}6>$

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NIELIT 2021 Dec Scientist B - Section B: 30
Cardinality of relationship advisor to each entity sets instructor and student will be: One to many One to one Many to many Many to one

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