Dark Mode

Recent questions tagged nielit2017oct-assistanta-cs

0 votes

0 answers

1

NIELIT 2017 OCT Scientific Assistant A (CS) - Section D: 1
Twelve $1\;\Omega$ resistances are used as edges to from a cube. The resistance between two diagonally opposite corners of the cube is $\frac{5}{6}\;\Omega$ $\frac{1}{6}\;\Omega$ $\frac{6}{5}\;\Omega$ $\frac{3}{2}\;\Omega$

Lakshman Patel RJIT asked in Digital Signal Processing Aug 28, 2020

by Lakshman Patel RJIT

204 views

0 votes

1 answer

2

NIELIT 2017 OCT Scientific Assistant A (CS) - Section D: 2
An ideal op-amp is an ideal voltage controlled current source voltage controlled voltage source current controlled current source current controlled voltage source

Lakshman Patel RJIT asked in Digital Signal Processing Aug 28, 2020

by Lakshman Patel RJIT

310 views

0 votes

0 answers

3

NIELIT 2017 OCT Scientific Assistant A (CS) - Section D: 3
The final value theorem is used to find the Steady state value of the system output Initial value of the system output Transient behavior of the system output None of these

Lakshman Patel RJIT asked in Digital Signal Processing Aug 28, 2020

by Lakshman Patel RJIT

204 views

0 votes

0 answers

4

NIELIT 2017 OCT Scientific Assistant A (CS) - Section D: 4
For the discrete signal $x[n] = a^{n}u[n],a>0$ the $z$-transform is $\frac{(z+a)}{z}$ $\frac{(z-a)}{z}$ $\frac{z}{(z-a)}$ $\frac{z}{(z+a)}$

Lakshman Patel RJIT asked in Digital Signal Processing Aug 28, 2020

by Lakshman Patel RJIT

212 views

0 votes

0 answers

5

NIELIT 2017 OCT Scientific Assistant A (CS) - Section D: 5
For a periodic signal $v(t) = 30\sin 100t + 10\cos 300t + 6\sin(500t + \frac{\pi}{4}),$ the fundamental frequency in rad/s $100$ $300$ $500$ None of these

Lakshman Patel RJIT asked in Digital Signal Processing Aug 28, 2020

by Lakshman Patel RJIT

262 views

0 votes

0 answers

6

NIELIT 2017 OCT Scientific Assistant A (CS) - Section D: 6
A solution for the differential equation $x’(t) + 2x(t) = \delta(t)$ with initial condition $x(\overline{0}) = 0$ $e^{-2t}u(t)$ $e^{2t}u(t)$ $e^{-t}u(t)$ $e^{t}u(t)$

Lakshman Patel RJIT asked in Optimization Aug 28, 2020

by Lakshman Patel RJIT

184 views

0 votes

0 answers

7

NIELIT 2017 OCT Scientific Assistant A (CS) - Section D: 7
If the number of bits per sample in a PCM system is increased from a $n$ to $n+1,$ the improvement in signal to quantization nose ratio will be $3\;dB$ $6\;dB$ $2n\;dB$ $n\;dB$

Lakshman Patel RJIT asked in Digital Signal Processing Aug 28, 2020

by Lakshman Patel RJIT

203 views

0 votes

1 answer

8

NIELIT 2017 OCT Scientific Assistant A (CS) - Section D: 8
A carrier $Ac\cos(\omega c)t$ is frequency modulated by a signal $Em\cos(\omega m)t.$ The modulation index is $mf.$ The expression for the resulting FM signal is $Ac\cos [\omega ct + mf\sin(\omega m)t]$ ... $Ac\cos [\omega ct + 2\pi mf Em \cos(\omega m)t/\omega m]$

Lakshman Patel RJIT asked in Digital Signal Processing Aug 28, 2020

by Lakshman Patel RJIT

219 views

0 votes

3 answers

9

NIELIT 2017 OCT Scientific Assistant A (CS) - Section D: 9
A sequential circuit using D flip-flop and logic gates is shown in Figure, where $X$ and $Y$ are the inputs and $Z$ is the output. The circuit is $\text{S-R}$ Flip-flop with inputs $X = R$ and $Y=S$ $\text{S-R}$ ... $X = J$ and $Y=K$ $\text{J-K}$ Flip-flop with inputs $X = K$ and $Y=J$

Lakshman Patel RJIT asked in Digital Logic Aug 28, 2020

by Lakshman Patel RJIT

1.4k views

1 vote

2 answers

10

NIELIT 2017 OCT Scientific Assistant A (CS) - Section D: 10
A $4$ bit ripple counter and a $4$ bit synchronous counter are made using flip-flops having a propagation delay of $10$ ns each. If the worst case delay in the ripple counter and the synchronous counter be $R$ and $S$ respectively, then $R = 10$ ns, $S = 40$ ns $R = 40$ ns, $S = 10$ ns $R = 10$ ns, $S = 30$ ns $R = 30$ ns, $S = 10$ ns

Lakshman Patel RJIT asked in Digital Logic Aug 28, 2020

by Lakshman Patel RJIT

602 views

0 votes

0 answers

11

NIELIT 2017 OCT Scientific Assistant A (CS) - Section D: 11
In MOSFET fabrication, the channel; length is defined during the process of Isolation oxide growth Channel stop implantation Poly-silicon gate patterning Lithography step leading to the contact pad

Lakshman Patel RJIT asked in Digital Signal Processing Aug 28, 2020

by Lakshman Patel RJIT

176 views

0 votes

0 answers

12

NIELIT 2017 OCT Scientific Assistant A (CS) - Section D: 12
The open-loop transfer function of a feedback control system is $G(s)\cdot H(s) = 1/(s+1)^{3}.$ The gain margin of the system is $2$ $4$ $8$ $16$

Lakshman Patel RJIT asked in Digital Signal Processing Aug 28, 2020

by Lakshman Patel RJIT

195 views

0 votes

1 answer

13

NIELIT 2017 OCT Scientific Assistant A (CS) - Section C: 1
Which level of RAID refers to disk mirroring with block striping? RAID level $1$ RAID level $2$ RAID level $0$ RAID level $3$

Lakshman Patel RJIT asked in CO and Architecture Apr 1, 2020

by Lakshman Patel RJIT

503 views

4 votes

3 answers

14

NIELIT 2017 OCT Scientific Assistant A (CS) - Section C: 2
Which of the following is not a form of main memory? Instruction cache Instruction register Instruction opcode Translation look-aside buffer

Lakshman Patel RJIT asked in CO and Architecture Apr 1, 2020

by Lakshman Patel RJIT

571 views

2 votes

1 answer

15

NIELIT 2017 OCT Scientific Assistant A (CS) - Section C: 3
The following program fragment prints int i = 5; do { putchar(i+100); printf(“%d”, i--;) } while(i); i5h4g3f2el 14h3g2f1e0 An error message None of the above

Lakshman Patel RJIT asked in Programming Apr 1, 2020

by Lakshman Patel RJIT

529 views

1 vote

1 answer

16

NIELIT 2017 OCT Scientific Assistant A (CS) - Section C: 4
The running time of an algorithm $T(n),$ where $’n’$ is the input size , is given by $T(n) = 8T(n/2) + qn,$ if $n>1$ $ = p,$ if $n = 1$ Where $p,q$ are constants. The order of this algorithm is $n^{2}$ $n^{n}$ $n^{3}$ $n$

Lakshman Patel RJIT asked in Algorithms Apr 1, 2020

by Lakshman Patel RJIT

751 views

0 votes

1 answer

17

NIELIT 2017 OCT Scientific Assistant A (CS) - Section C: 5
Which of the following is a desirable property of module? Independency Low cohesiveness High Coupling Multifunctional

Lakshman Patel RJIT asked in CO and Architecture Apr 1, 2020

by Lakshman Patel RJIT

355 views

0 votes

1 answer

18

NIELIT 2017 OCT Scientific Assistant A (CS) - Section C: 6
The solution of the recurrence relation $a_{r} = a_{r-1} + 2a_{r-2}$ with $a_{0} = 2,a_{1} = 7$ is $a_{r} = (3)^{r} + (1)^{r}$ $2a_{r} = (2)^{r}/3 – (1)^{r}$ $a_{r} = 3^{r+1} – (-1)^{r}$ $a_{r} = 3(2)^{r} – (-1)^{r}$

Lakshman Patel RJIT asked in Combinatory Apr 1, 2020

by Lakshman Patel RJIT

226 views

0 votes

1 answer

19

NIELIT 2017 OCT Scientific Assistant A (CS) - Section C: 7
The convergence of the bisection method is Cubic Quadratic Linear None

Lakshman Patel RJIT asked in Numerical Methods Apr 1, 2020

by Lakshman Patel RJIT

952 views

0 votes

2 answers

20

NIELIT 2017 OCT Scientific Assistant A (CS) - Section C: 8
In a ripple counter using edge-triggered $JK$ flip-flops, the pulse input is applied to Clock input of all flip-flops $J$ and $K$ input of one flip-flop $J$ and $K$ input of all flip flops Clock input of one flip-flop

Lakshman Patel RJIT asked in Digital Logic Apr 1, 2020

by Lakshman Patel RJIT

400 views

0 votes

2 answers

21

NIELIT 2017 OCT Scientific Assistant A (CS) - Section C: 9
$M$ is a square matrix of order $’n’$ and its determinant value is $5.$ If all the elements of $M$ are multiple by $2,$ its determinant value becomes $40.$ The value of $’n’$ is $2$ $3$ $5$ $4$

Lakshman Patel RJIT asked in Linear Algebra Apr 1, 2020

by Lakshman Patel RJIT

946 views

0 votes

3 answers

22

NIELIT 2017 OCT Scientific Assistant A (CS) - Section C: 10
When transaction $Ti$ requests a data item currently held by $Tj,Ti$ is allowed to wait only if it has a timestamp smaller than that of $Tj$ (that is $Ti$ is order than Tj). Otherwise, $Ti$ is rolled back (dies). This is Wait-die Wait-wound Wound-wait Wait

Lakshman Patel RJIT asked in Databases Apr 1, 2020

by Lakshman Patel RJIT

828 views

0 votes

3 answers

23

NIELIT 2017 OCT Scientific Assistant A (CS) - Section C: 11
What will be the output of following? main() { Static int a = 3; Printf(“%d”,a--); If(a) main(); } $3$ $3\;2\;1$ $3\;3\;3$ Program will fall in continuous loop and print $3$

Lakshman Patel RJIT asked in Programming Apr 1, 2020

by Lakshman Patel RJIT

458 views

0 votes

1 answer

24

NIELIT 2017 OCT Scientific Assistant A (CS) - Section C: 12
Web links are stored within the page itself and when you wish to ‘jump’ to the page that is linked, we select the hotspot or anchor. This technique is called Hypertext Hypermedia Both $(A)$ and $(B)$ Anchoring

Lakshman Patel RJIT asked in Web Technologies Apr 1, 2020

by Lakshman Patel RJIT

447 views

0 votes

1 answer

25

NIELIT 2017 OCT Scientific Assistant A (CS) - Section B: 1
A decimal has $25$ digits. The number of bits needed for its equivalent binary representation is approximately, $50$ $74$ $40$ $60$

Lakshman Patel RJIT asked in Digital Logic Apr 1, 2020

by Lakshman Patel RJIT

591 views

0 votes

1 answer

26

NIELIT 2017 OCT Scientific Assistant A (CS) - Section B: 2
Which of the following is minimum error code? Octal Code Binary Code Gray Code Excess-$3$ Code

Lakshman Patel RJIT asked in Computer Networks Apr 1, 2020

by Lakshman Patel RJIT

499 views

4 votes

1 answer

27

NIELIT 2017 OCT Scientific Assistant A (CS) - Section B: 3
Match list $I$ with List $II$ ... iii, D-iv A-iii, B-ii, C-iv, D-i A-ii, B-iii, C-i, D-iv A-i, B-iv, C-ii, D-iii

Lakshman Patel RJIT asked in CO and Architecture Apr 1, 2020

by Lakshman Patel RJIT

527 views

3 votes

2 answers

28

NIELIT 2017 OCT Scientific Assistant A (CS) - Section B: 4
If a processor has $32$-bit virtual address, $28$-bit physical address, $2$ kb pages. How many bits are required for the virtual, physical page number? $17,21$ $21,17$ $6,10$ None

Lakshman Patel RJIT asked in Operating System Apr 1, 2020

by Lakshman Patel RJIT

522 views

1 vote

1 answer

29

NIELIT 2017 OCT Scientific Assistant A (CS) - Section B: 5
A binary search tree contains the values-$1,2,3,4,5,6,7$ and $8.$ The tree is traversed in preorder and the values are printed out. Which of the following sequences is a valid output? $5\;\;3\;\;1\;\;2\;\;4\;\;7\;\;8\;\;6\;\;$ ... $5\;\;3\;\;2\;\;4\;\;1\;\;6\;\;7\;\;8$ $5\;\;3\;\;1\;\;2\;\;4\;\;7\;\;6\;\;8$

Lakshman Patel RJIT asked in DS Apr 1, 2020

by Lakshman Patel RJIT

514 views

0 votes

1 answer

30

NIELIT 2017 OCT Scientific Assistant A (CS) - Section B: 6
The question is based on the following program fragment. f(intY[10],int x){ int u,j,k; i=0;j=9; do{ k=(i+j)/2; if(Y[k] < x) i=k; else j=k; } while(Y[k]!=x) && (i<j)); if (Y[k]==x) printf( x is in the array. ); else printf( ... $x>2$ $Y$ is $[2\;4\;6\;8\;10\;12\;14\;16\;18\;20]$ and $2<x<20$ and $'x'$ is even

Lakshman Patel RJIT asked in Programming Apr 1, 2020

by Lakshman Patel RJIT

506 views

Page:

Recent questions tagged nielit2017oct-assistanta-cs