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Recent questions tagged nielit2017dec-assistanta

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1

NIELIT 2017 DEC Scientific Assistant A - Section B: 1
Correct expression tor UDP user datagram length is length of UDP = length of IP- length of IP header's length of UDP= length of UDP-length of UDP header's length of UDP = length of IP+length of IP header's length of UDP = length of UDP+length of UDP header's

admin asked in Computer Networks Mar 31, 2020

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2

NIELIT 2017 DEC Scientific Assistant A - Section B: 2
In binary search tree which traversal is used for getting ascending order values ? Inorder Preorder Postorder None of the options

admin asked in DS Mar 31, 2020

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2 votes

4 answers

3

NIELIT 2017 DEC Scientific Assistant A - Section B: 3
The automaton which allows transformation to a new state without consuming any input symbols : $NFA$ $DFA$ $NFA - 1$ All of the options

admin asked in Theory of Computation Mar 31, 2020

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4

NIELIT 2017 DEC Scientific Assistant A - Section B: 4
Complement of a $DFA$ can be obtained by : making starting state as final state. make final as a starting state. making final states non-final and non-final as final. None of the options

admin asked in Theory of Computation Mar 31, 2020

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5

NIELIT 2017 DEC Scientific Assistant A - Section B: 5
Concatenation Operation refers to which of the following set operations : Union Dot Kleene None of the options

admin asked in Theory of Computation Mar 31, 2020

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6

NIELIT 2017 DEC Scientific Assistant A - Section B: 6
Which of the following statements is true ? Melay and Moore machines are language acceptors. Finite State automata is language translator. NPDA is more powerful than DPDA. Melay machine is more powerful than Moore machine.

admin asked in Theory of Computation Mar 31, 2020

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7

NIELIT 2017 DEC Scientific Assistant A - Section B: 7
If file size is large and if it is to be accessed randomly then which of the following allocation strategy should be best to use in a system? Linked allocation Indexed allocation Contiguous allocation None of the options

admin asked in Operating System Mar 31, 2020

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3 answers

8

NIELIT 2017 DEC Scientific Assistant A - Section B: 8
Microprocessors are used in which generation of computers? I – st Generation II – nd Generation III – rd Generation IV – th Generation

admin asked in Digital Signal Processing Mar 31, 2020

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9

NIELIT 2017 DEC Scientific Assistant A - Section B: 9
Operating System maintains the page table for : each process each thread each instruction each address

admin asked in Operating System Mar 31, 2020

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1 vote

3 answers

10

NIELIT 2017 DEC Scientific Assistant A - Section B: 10
The function $f\left ( x \right )=\dfrac{x^{2}-1}{x-1}$ at $x=1$ is : Continuous and differentiable Continuous but not differentiable Differentiable but not continuous Neither continuous nor differentiable

admin asked in Calculus Mar 31, 2020

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3 votes

1 answer

11

NIELIT 2017 DEC Scientific Assistant A - Section B: 11
Closed - Loop control mechanism try to : Remove congestion after it occurs Remove congestion after sometime Prevent congestion before it occurs Prevent congestion before sending packets

admin asked in Computer Networks Mar 31, 2020

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12

NIELIT 2017 DEC Scientific Assistant A - Section B: 12
In classless addressing, there are no classes but addresses are still granted in : Codes Blocks IPs Sizes

admin asked in Computer Networks Mar 31, 2020

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1 answer

13

NIELIT 2017 DEC Scientific Assistant A - Section B: 13
Which multiple access technique is used by $\text{IEEE } 802.11$ standard for wireless $\text{LAN}$ ? $\text{CDMA}$ $\text{CSMA/CA}$ $\text{ALOHA}$ None of the options

admin asked in Computer Networks Mar 31, 2020

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14

NIELIT 2017 DEC Scientific Assistant A - Section B: 14
$PGP$ encrypts data by using a block cipher called : international data encryption algorithm private data encryption algorithm internet data encryption algorithm none of the options

admin asked in Computer Networks Mar 31, 2020

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1 vote

3 answers

15

NIELIT 2017 DEC Scientific Assistant A - Section B: 15
If $L1$ and $L2$ are regular sets then intersection of these two will be : Regular Non Regular Recursive Non Recursive

admin asked in Theory of Computation Mar 31, 2020

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2 votes

3 answers

16

NIELIT 2017 DEC Scientific Assistant A - Section B: 16
The smallest integer that can be represented by an $8$-bit number in $2$'s complement form is : $-256$ $-128$ $-127$ $0$

admin asked in Digital Logic Mar 31, 2020

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1 vote

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17

NIELIT 2017 DEC Scientific Assistant A - Section B: 17
Non-contiguous memory allocation splits program into blocks of memory called ________ that can be loaded in non-adjacent holes in main memory. Pages Frames Partition Segments

admin asked in Operating System Mar 31, 2020

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18

NIELIT 2017 DEC Scientific Assistant A - Section B: 18
In a full binary tree number of nodes is $63$ then the height of the tree is : $2$ $4$ $3$ $6$

admin asked in DS Mar 31, 2020

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1 vote

1 answer

19

NIELIT 2017 DEC Scientific Assistant A - Section B: 19
Let $P, Q, R$ be a regular expression over $\Sigma$. If $P$ does not contain null string, then $R=Q+RP$ has a unique solution ___________ . $Q^{*}P$ $QP^{*}$ $Q^{*}P^{*}$ $\left ( P^{*}O^{*} \right)^{*}$

admin asked in Theory of Computation Mar 31, 2020

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3 votes

3 answers

20

NIELIT 2017 DEC Scientific Assistant A - Section B: 20
Total number of simple graphs that can be drawn using six vertices are: $2^{15}$ $2^{14}$ $2^{13}$ $2^{12}$

admin asked in Graph Theory Mar 31, 2020

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2 votes

1 answer

21

NIELIT 2017 DEC Scientific Assistant A - Section B: 21
The $2-3-4$ tree is a self-balancing data structure, which is also called : $2-4$ tree $B+$ tree $B-$ tree None of the options

admin asked in Databases Mar 31, 2020

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2 votes

1 answer

22

NIELIT 2017 DEC Scientific Assistant A - Section B: 22
Which type of algorithm is used to solve the "$8$ Queens" problem ? Greedy Dynamic Divide and conquer Backtracking

admin asked in Algorithms Mar 31, 2020

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1 vote

2 answers

23

NIELIT 2017 DEC Scientific Assistant A - Section B: 23
A $3.5$ inch micro floppy high density disk contains the data _________ . $720 \: MB$ $1.44 \: MB$ $720 \: KB$ $1.44 \: KB$

admin asked in CO and Architecture Mar 31, 2020

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1 vote

1 answer

24

NIELIT 2017 DEC Scientific Assistant A - Section B: 24
A subnet mask in class $C$ can have _____________ $1$’s with the remaining bits $0$’s. $10$ $24$ $12$ $7$

admin asked in Computer Networks Mar 31, 2020

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25

NIELIT 2017 DEC Scientific Assistant A - Section B: 25
What is the value of acknowledgement field in a segment Number of previous bytes to receive Total number of bytes to receive Number of next bytes to receive Sequence of zero's and one's

admin asked in Computer Networks Mar 31, 2020

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1 vote

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26

NIELIT 2017 DEC Scientific Assistant A - Section B: 26
The number $(25)_6$, in base $6$ is equivalent to _________ in binary number system. $11001$ $10001$ $11000$ $10000$

admin asked in Digital Logic Mar 31, 2020

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3 votes

2 answers

27

NIELIT 2017 DEC Scientific Assistant A - Section B: 27
Which of the following is a class $B$ host address ? $230.0.0.0$ $130.4.5.6$ $230.7.6.5$ $30.4.5.6$

admin asked in Computer Networks Mar 31, 2020

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1 vote

1 answer

28

NIELIT 2017 DEC Scientific Assistant A - Section B: 28
There is a need to create a network that has $5$ subnets, each with at least $16$ hosts. Which one is used as classful subnet mask ? $255.255.255.192$ $255.255.255.248$ $255.255.255.240$ $255.255.255.224$

admin asked in Computer Networks Mar 31, 2020

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1 vote

1 answer

29

NIELIT 2017 DEC Scientific Assistant A - Section B: 29
What is Compaction ? a technique for overcoming internal fragmentation a paging technique a technique for overcoming external fragmentation a technique for overcoming fatal error

admin asked in Operating System Mar 31, 2020

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1.6k views

1 vote

1 answer

30

NIELIT 2017 DEC Scientific Assistant A - Section B: 30
How can we set a Cookie visibility scope to local storage ? $\$ $\%$ $/$ All of the options

admin asked in Web Technologies Mar 31, 2020

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Recent questions tagged nielit2017dec-assistanta