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computer science

23/sep/2021  BARC OCES/DGFS 2021   SET 4

mostly question are previous year of gate.  i recall some of them some of them

if packet transfer from node 1 to node b then which of the following will be change  (ttl  checksum fragment offset).

3-4 question from  boolean simplified form

1 question from mux

1 question of 4 D flip flop  which have an nand gate between 2 LSB flip flop and ask after how much time i can regenerate clock.

10-12 question of c programming

mostly theoretical question of each subject,but...

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# Topic-wise video Lectures (with slide format notes) by  J.F. Kurose [Author]

### ttps://gaia.cs.umass.edu/kurose_ross/online_lectures.htm

Solution (book) →

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Here are the notes I have written during my preparation for GATE CS/IT. Future aspirants may find it helpful. These are elaborated notes, that one may go through to recapitulate stuff fast. I took help from standard books and online courses to put together these notes. As of now, only some chapters of Discrete Mathematics are uploaded. I will upload notes for all the subjects within a month.

https://gatecsebyjs.github.io/

Sample note(on Combinatorics):

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I don’t remember completely but someone had pasted the link on a blog here a year ago.

Thanks in advance. Gateoverflow is one the most wonderful site I had ever used in my entire Journey to AIR 89.

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### Click to read My preparation experience.

GATE syllabus wallpaper for mobile.

Subject Name and Author Relevant Chapters Algorithm and DS Introduction to Algorithms, by CLRS  (3E) Algorithm Design, Jon Kleinberg and Éva Tardos ch 1-4, 6-9,10, 11.1-11.4,...
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Hello Everyone !!!

I am sharing a document titled "SECURITY OF CYBER SYSTEMS".

This document is relevant for all aspirants appearing for DRDO Scientist-B 2020 examination as well as for cyber security enthusiasts.

Initially, I have compiled a list of popular attacks. Based on your...

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NIELIT Technical PDF 2020 Draft NIELIT Aptitude PDF 2020 Draft

$$\textbf{Scientist – ‘B’}$$

$\textbf{ELIGIBILITY:}$ B.E/ B.Tech/ DOEACC B-level OR AMIE/ GIETE OR MSc OR MCA OR ME/ M.Tech OR M.Phil Electronics, Electronics and Communication, Computer Sciences, Communication, Computer and Networking...

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total questions recalled: 84

Cn:10

Router has settings as per the table:

10.196.1.0/24

r2

192.10.16.0/22

p1

192.255.240.0/20

r1

default

r1

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PS: This is the first version of the PDF and though we have spent a lot of time doing tagging, some of the topics might be given wrong unlike GATE PDF which has gone through multiple revisions.

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## $$\color{Blue}{\textbf{Calculus}}$$

### $$\color{Magenta}{\textbf{1.Trigonometry}}$$

$\textbf{Pythagorean Identities:}$

$\sin^{2}\theta + \cos^{2}\theta = 1$ $1+\tan^{2}\theta = \sec^{2}\theta$ $1+\cot^{2}\theta = \csc^{2}\theta$

$\textbf{Reciprocal Identities:}$

$\sin\theta = \dfrac{1}{\csc\theta}$ $\cos\theta = \dfrac{1}{\sec\theta}$ $\tan\theta = \dfrac{1}{\cot\theta}$ $\csc\theta = \dfrac{1}{\sin\theta}$ $\sec\theta = \dfrac{1}{\cos\theta}$ $\cot\theta = \dfrac{1}{\tan\theta}$

$\textbf{Tangent and Cotangent Identities:}$

$\tan\theta = \dfrac{\sin\theta}{\cos\theta}$ $\cot\theta =... 12 ### $$\color{Blue} {\textbf{Linear Algebra}}$$$\textbf{1.Properties of determinants:-}$The determinant is only valid for the square matrix.$\mid A^{T}\mid = \mid A \mid \mid AB \mid = \mid A \mid \mid B \mid \mid A^{n} \mid = \big(\mid A \mid\big)^{n}\mid kA\mid = k^{n} \mid A \mid$, here$A$is the$n\times n$matrix. If two rows (or two columns) of a determinant are interchanged, the sign of the value of the determinant changes. If in determinant any row or column is completely zero, the value of the determinant is zero. If two rows (or two columns) of a determinant are identical, the value of the determinant is... 13 $$\textbf{1.Theory Of Computation}$$ Book Title Author Chapters relevant for GATE Chapters on GO Questions On GO 1.Introduction to the Theory Of Computation Michael Sipser(3rd Edition)$0,1,2,3,4,50,1,2,3,4,5$Questions from Sipser 2.Introduction To Automata Theory, Languages, and Computation Jeffrey D. Ullman(3rd Edition)$1,2,3,4,5,6,7,8,91,2,3,4,5,6,7,8,9\$
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$$\textbf{Contents}$$

Web Page

Syllabus: Connectivity, Matching, Coloring.

$$\small{\overset{{\large{\textbf{Mark Distribution in Previous... 17$$\textbf{Contents}$$Web Page$$\small{\overset{{\large{\textbf{Mark Distribution in Previous...

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$$\textbf{Contents}$$

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Syllabus:

Sets, Relations, Functions. Partial orders, Lattices. Monoids,
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$$\textbf{Contents}$$

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Syllabus:

Propositional and first order logic.  Topic Covered in Videos Video link from GO Youtube channel Introduction to Proofs Propositional Logic Proof Techniques GO Videos
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$$\textbf{Contents}$$

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Syllabus:

Random variables. Uniform, Normal, Exponential, Poisson and