Recent questions and answers in Others

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1

UGCNET-Nov2017-ii-29
Which of the following layer of OSI Reference model is also called end-to-end layer ? Network layer Datalink layer Session layer Transport layer

answered 1 day ago in Others by Girjesh Chouhan (137 points) | 102 views

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2 answers

2

Uttrakhand Asst. Professor Exam-51
Which of the following operation of relational algebra, selects certain columns from the table and discards the other columns? SELECT PROJECT DIVISION None of the above

answered 5 days ago in Others by pradeepchaudhary (71 points) | 45 views

+1 vote

1 answer

3

UGCNET-Nov2017-iii-35

answered 6 days ago in Others by Prasanjeet Ghosh Active (1.3k points) | 11 views

+1 vote

1 answer

4

UGCNET-Nov2017-iii-27
If a file consisting of 50,000 characters takes 40 seconds to send, then the data rate is _________. A. 1 kbps B. 1.25 kbps C. 2 kbps D. 10 kbps

answered Jun 11 in Others by Prasanjeet Ghosh Active (1.3k points) | 55 views

+1 vote

1 answer

5

UGCNET-Nov2017-iii-26
Quadrature Amplitude Modulation means changing both: A. Frequency and phase of the carrier. B. Frequency and Amplitude of the carrier. C. Amplitude and phase of the carrier. D. Amplitude and Wavelength of the carrier.

answered Jun 11 in Others by Prasanjeet Ghosh Active (1.3k points) | 120 views

+1 vote

1 answer

6

UGCNET-Nov2017-iii-25
Suppose we want to download text documents at the rate of 100 pages per second. Assume that a page consists of an average of 24 lines with 80 characters in each line. What is the required bit rate of the channel? A. 192 kbps B. 512 kbps C. 1.248 Mbps D. 1.536 Mbps

answered Jun 11 in Others by Prasanjeet Ghosh Active (1.3k points) | 82 views

+1 vote

1 answer

7

UGCNET-Nov2017-iii-18
The three aspects of Quantization, programmers generally concerned with are: A. Coding error, Sampling rate and Amplification B. Sampling rate, Coding error and Conditioning C. Sampling rate, Aperture time and Coding error D. Aperture time, Coding error and Strobing

answered Jun 11 in Others by Prasanjeet Ghosh Active (1.3k points) | 27 views

+1 vote

1 answer

8

UGCNET-Nov2017-iii-17

answered Jun 11 in Others by Prasanjeet Ghosh Active (1.3k points) | 25 views

+1 vote

2 answers

9

UGCNET-Nov2017-iii-15
With respect to CRT, the horizontal retrace is defined as: A. The path an electron beam takes when returning to the left side of the CRT. B. The path an electron beam takes when returning to the right side of the CRT. C. The technique of turning, the electron beam off while retracing. D. The technique of turning, the electron beam on/ off while retracing.

answered Jun 11 in Others by Prasanjeet Ghosh Active (1.3k points) | 39 views

+1 vote

1 answer

10

UGCNET-Nov2017-iii-14
Which of the following is not true in case of Oblique Projections? A. Parallel projection rays are not perpendicular to the viewing plane. B. Parallel lines in space appear parallel on the final projected image. C. Used exclusively for pictorial purposes rather than formal working drawings. D. Projectors are always perpendicular to the plane of projection.

answered Jun 11 in Others by Prasanjeet Ghosh Active (1.3k points) | 58 views

+1 vote

1 answer

11

UGCNET-Nov2017-iii-13
Which of the following is not a component of Memory tube display? A. Flooding gun B. Collector C. Ground D. Liquid Crystal

answered Jun 11 in Others by Prasanjeet Ghosh Active (1.3k points) | 174 views

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1 answer

12

How to find all the non-gate questions asked here on some particular topic ?

answered May 31 in Others by Subarna Das Boss (10.2k points) | 51 views

–1 vote

0 answers

13

Pgcet gujrat
Sir plz give gujrat pgcet civil engineering privious years quation papers with solution

asked May 24 in Others by Deep123 (1 point) | 63 views

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1 answer

14

UGCNET-Nov2017-ii-27
_________ do not take their decisions on measurements or estimates of the current traffic and topology. Static algorithms Adaptive algorithms Non-Adaptive algorithms Recursive algorithms.

answered May 18 in Others by shivanisrivarshini Boss (14.1k points) | 271 views

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0 answers

15

NIELIT Recruitment - NIELIT/NDL/NIC/2017/7 update

asked May 10 in Others by Rajat Bhatia (219 points) | 115 views

+1 vote

3 answers

16

ISRO2018-38
The number of edges in a regular graph of degree: $d$ and $n$ vertices is: maximum of $n$ and $d$ $n +d$ $nd$ $nd/2$

answered May 9 in Others by Shaik Masthan Active (2.3k points) | 388 views

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2 answers

17

ISRO2018-55
Let us assume that transaction $T1$ has arrived before transaction $T2$. Consider the schedule $s=r1(A);r2(B): w2(A); w1(B)$ Which of the following is true? Allowed under basic timestamp protocol. Not allowed under basic timestamp protocols because $T1$ is rolled back. Not allowed under basic timestamp protocols because $T2$ is rolled back. None of these

answered May 8 in Others by abhishekmehta4u Boss (14.3k points) | 376 views

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1 answer

18

ISI 2017 MMA 7

answered May 3 in Others by Kushagra Chatterjee Loyal (8.2k points) | 67 views

0 votes

1 answer

19

ISI 2017 MMA 3

answered May 2 in Others by Kushagra Chatterjee Loyal (8.2k points) | 71 views

0 votes

2 answers

20

UGCNET-Nov2017-ii-1
If the time is now 4 O' clock, what will be the time 101 hours from now? 9 O' clock 8 O' clock 5 O' clock 4 O' clock

answered Apr 30 in Others by Subarna Das Boss (10.2k points) | 57 views

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1 answer

21

UGCNET-Nov2017-ii-26
Which of the following devices takes data sent from one network device and forwards it to the destination node based on MAC address? Hub Modem Switch Gateway

answered Apr 30 in Others by Subarna Das Boss (10.2k points) | 96 views

+1 vote

2 answers

22

ISRO2018-68
In multi-programmed systems, it is advantageous if some programs such as editors anf compilers can be shared by several users. Which of the following must be true of multi-programmed systems in order that a single copy of a program can be shared by several users? The program is a macro The program is recursive The program is reentrant I only II only III only I, II and III

answered Apr 30 in Others by VS Loyal (8.7k points) | 421 views

+3 votes

2 answers

23

ISRO2018-72
Consider the following C code segment int f(int x) { if(x<1) return 1; else return (if(x-1)+g(x)); } int g(int x) { if(x<2) return 2; else return (if(x-1)+g(x/2)); } Of the following, which best describes the growth of $f(x)$ as a function of $x$ ? Linear Exponential Quadratic Cubic

answered Apr 27 in Others by Arjun Veteran (347k points) | 511 views

+1 vote

2 answers

24

ISRO2018-37
The running time of an algorithm is given by: $T(n) = T(n-1) + T(n-2) - T(n-3)$, if $n > 3$ = $n$, otherwise Then what should be the relation between $T(1), T(2), T(3)$, so that the order of the algorithm is constant? $T(1) = T(2) = T(3)$ $T(1) + T(3) = 2T(2)$ $T(1) - T(3) = T(2)$ $T(1) + T(2) = T(3)$

answered Apr 26 in Others by Arjun Veteran (347k points) | 548 views

+1 vote

2 answers

25

ISRO2018-43
Consider the following C++ program int a (int m) {return ++m;} int b(int&m) {return ++m;} int{char &m} {return ++m;} void main() { int p = 0, q=0, r = 0; p += a(b(p)) ; q+= b(a(q);) r+=a(c(r)); cout<<p<<q << r; } Assuming the required header first are already included, the above program results in compilation error print $123$ print $111$ print $322$

answered Apr 26 in Others by SudVerma (41 points) | 575 views

+1 vote

4 answers

26

ISRO2018-49
in a file which contains $1$ million records and the order of the tree is $100$, then what is the maximum number of nodes to be accessed if $B$+ tree index is used? $5$ $4$ $3$ $10$

answered Apr 26 in Others by VS Loyal (8.7k points) | 488 views

+2 votes

3 answers

27

ISRO2018-17
$(G, *)$ is an abelian group. Then $x= x^{^{-1}}$ for any x belonging to $G$ $x=$ $x^{^{2}}$ for any x belonging to $G$ $\left( x*y \right )^{2}$= $x^{^{2}}*y^{^{2}}$ , for any $x, y$ belonging to $G$ $G$ is of finite order

answered Apr 26 in Others by Tuhin Dutta Loyal (7.9k points) | 637 views

+1 vote

3 answers

28

ISRO2018-14
A class of $30$ students occupy a classroom containing $5$ rows of seats, with $8$ seats in each row. If the students seat themselves at random, the probability that sixth seat in the fifth row will be empty is: $1/5$ $1/3$ $1/4$ $2/5$

answered Apr 26 in Others by Subarna Das Boss (10.2k points) | 537 views

+1 vote

3 answers

29

ISRO2018-46
In cryptography, the following uses transposition ciphers and the keyword is LAYER. Encrypt the following message. (Spaces are omitted during encrypton) WELCOME TO NETWORK SECURITY! WMEKREETSILTWETCOOCYONRU! EETSICOOCYWMEKRONRU!LTWET LTWETONRU!WMEKRCOOCYEETSI ONRU!COOCYLTWETEETSIWMEKR

answered Apr 26 in Others by VS Loyal (8.7k points) | 425 views

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2 answers

30

ISRO2018-6
A data driven machine is one that executes an instruction if the needed data is available. The physical ordering of the code listing does not dictate the course of execution. Consider the following pseudo-code: Multiply $E$ by $0.5$ to get $F$ Add $A$ and $B$ to get $E$ Add $B$ with $0.5$ to get $D$ Add $E$ ... execution is valid? B, C, D, A, E C, B, E, A, D A, B, C, D, E E, D, C, B, A

answered Apr 26 in Others by Arjun Veteran (347k points) | 601 views

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3 answers

31

ISRO2018-31
A byte addressable computer has a memory capacity of $2$$^{m}$$KB$ ($k$ bytes) and can perform $2$$^{n}$ operations. An instruction involving $3$ operands and one operator needs maximum of: $3m$ bits $3m + n$ bits $m + n$ bits none of the above

answered Apr 25 in Others by Ashwani Kumar 2 Boss (11.4k points) | 469 views

0 votes

4 answers

32

ISRO2018-78
Which one of the following algorithm is not used in asymmetric key cryptography? RSA Algorithm Gillie-Hellman Algorithm Electronic Code Book Algorithm None of the above

answered Apr 25 in Others by Tuhin Dutta Loyal (7.9k points) | 494 views

0 votes

2 answers

33

ISRO2018-33
Which of the following is application of Breath First Search on the graph? Finding diameter of the graph Finding bipartite graph Both (a) and (b) None of the above

answered Apr 25 in Others by Tuhin Dutta Loyal (7.9k points) | 369 views

+1 vote

4 answers

34

ISRO2018-70
Consider the following C program: main() { float sum= 0.0, j=1.0,i=2.0; while(i/j>0.001){ j=j+1; sum=sum+i/j; printf("%f/n", sum); } } $0$ - $9$ lines of output $10$ - $19$ lines out output $20$ - $29$ lines of output More than $29$ lines of output

answered Apr 25 in Others by Aman Juyal (183 points) | 657 views

+1 vote

3 answers

35

ISRO2018-8
A language with string manipulation facilities uses the following operations. head$(s)$- returns the first character of the string $s$ tails$(s)$- returns all but the first character of the string $s$ concat$(s1, s2)$- concatenates string $s1$ with $s2.$ The output of concat(head$(s)$, head(tail(tail$(s)$))), where s is $acbc$ is: ab ba ac aa

answered Apr 25 in Others by Aman Juyal (183 points) | 548 views

+2 votes

2 answers

36

ISRO2018-9
In the diagram above, the inverter (NOT gate) and the AND-gates labeled $1$ and $2$ have delays of $9$, 10 and $12$ nanoseconds (ns), respectively. Wire delays are negligible. For certain values $a$ and $c$, together with certain transition of $b$, a glitch ... short time, after which the output assumes its correct value. The duration of glitch is: $7$ $ns$ $9$ $ns$ $11$ $ns$ $13$ $ns$

answered Apr 25 in Others by Soumya29 Loyal (9.7k points) | 542 views

0 votes

1 answer

37

ISRO2018-67
Procedures $P1$ and $P2$ have a producer-consumer relationship, communicating by the use of a set of shared buffers. $P1$: repeat Obtain an empty buffer Fill it Return a full buffer forever $P2$: repeat Obtain a full buffer Empty it Return an empty ... Decrease the likelihood of deadlock Increase the ease of achieving a correct implemenation III only II only I only II and III only

answered Apr 25 in Others by shahidhope (327 points) | 381 views

0 votes

1 answer

38

ISRO2018-47
In a particular program, it is found that $1$% of the code account for $50$% of the execution time. To code a program in C++, it takes $100$ man-days. Coding in assembly language is $10$ times harder than coding in C++, but runs $5$ ... code in assembly language, if a project team needs 13 days, the team consist of $13$ programmers $10$ programmers $8$ programmers $100/13$ programmers

answered Apr 24 in Others by Tarun kushwaha 1 Active (2k points) | 385 views

+1 vote

3 answers

39

ISRO2018-71
A particular parallel program computation requires $100$ see when executed on a single processor, if $40$% of this computation is inherently sequential (i.e. will not benefit from additional processors), then theoretically best possible elapsed times of this program running ... are: $20$ $sec$ and $10$ $sec$ $30$ $sec$ and $15$ $sec$ $50$ $sec$ and $25$ $sec$ $70$ $sec$ and $55$ $sec$

answered Apr 24 in Others by maahisingh (385 points) | 410 views

0 votes

1 answer

40

ISRO2018-45
Assuming that for a given network layer implementation, connection establishment overhead is $100$ $bytes$ and disconnection overhead i $28$ $bytes$. What would be the minimum size of the packet the transport layer needs to keep up, if it wishes to ... its overhead to a minimum of $12,5$%. (ignore transport layer overhead) $512$ $bytes$ $768$ $bytes$ $1152$ $bytes$ $1024$ $bytes$

answered Apr 24 in Others by Soumya29 Loyal (9.7k points) | 432 views

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