operating-system

Operating Systems Discussion

October 17, 2015 by Arjun Suresh 2 Comments

Discussion on Operating Systems topics for GATE CSE 2015

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Operating Systems – Discussion 2

October 17, 2015 by Arjun Suresh Leave a Comment

Discussion on OS scheduling, Virtual memory

Operating Systems Discussion

October 10, 2015 by Arjun Suresh Leave a Comment

Discussion for Operating Systems subject for GATE CSE

Operating Systems

July 29, 2015 by Arjun Suresh 11 Comments

Materials for GATE preparation in Operating Systems

62,336 total views, 11 views today

GATE Overflow
Aptitude Overflow

Answered: GATE1987-10e

To derive the conclusion we must assume that the premises are true [...]

Answered: GATE CSE 2021 Set 1 | Question: 31

Ans: A (1) S→Rf (2) S→Rf (3) T→ε (4) T→ε [...]

Answered: GATE CSE 2021 Set 1 | GA Question: 9

I am going to try to argue on each and every possible interpretation that I could find for this question. First of all, it starts with the interpretation of conclusion II, i.e., All pathogens are not bacteria. Here are 2 interpretation that I found, credits to @Nikhil_dharma The first one logically translates to; ∀x(pathogen(x)→∼bacteria(x)) and the second one, ∼(∀x(pathogen(x)→bacteria(x))) I think both are possible interpretations and this is where the ambiguity of this question starts from. Now, what the first translation says, is “There is not even a single pathogen that is bacteria”. And the second one says that “There exists a… [...]

Answered: GATE CSE 2021 Set 1 | Question: 28

ANS IS A. 011, 101, 000. INITIAL VALUE OF PQR = 000. [...]

Answered: GATE CSE 2021 Set 1 | Question: 25

ANS IS 12. HERE IN QUESTION, IT IS MENTIONED THAT “SCHEDULER HAS PRIOR KNOWLEDGE ABOUT THE LENGTH OF THE CPU BURSTS” SO IT MEANS WE HAVE TO USE SJF. PS: BY MISTAKE I WROTE AVG TAT IT IS AVG WT ONLY. :) [...]

Answered: GATE CSE 2021 Set 1 | Question: 24

ANS IS -7.75. given S = 1 , E = 10000001 M =11110000000000000000000 , BY CALCULATING AS BELOW ANS WILL BE -7.75 [...]

Answered: NIELIT 2019 Feb Scientist C - Section A: 19

Since, Seetha is $7^{th}$ from the left and Leena is $9^{th}$ from the right, when Seetha replace Leena, the position of Seetha from the right = $9.$ As per question, Seetha’s position from the left after interchanging $=11.$ Hence, the no. of girls in the row $$\begin{align}&=\text{(Seetha’s position from the left + Seetha’s position from the right)-1}\\&=(9+11) -1\\&= 20-1\\&= 19\end{align}$$ So, answer is None of the above. [...]

Answered: NIELIT 2017 DEC Scientific Assistant A - Section A: 6

All of the girls agree that the first three numbers are 995. Three of them agree that the fourth number is 9. Three agree that the fifth number is 2. Three agree that the sixth number is 6; three others agree that the seventh number is also 6. "Option A" is the best choice because it is made up of the numbers that most of the girls agree they saw. [...]

Answered: NIELIT 2016 MAR Scientist D: 8

Correct Answer: (D) Explanation: This game introduces the idea of reciprocal causation. For example, the constraint that says “If A, then B, and if B, then A” should be transcribed in one of the following two ways, based on the configurations of the other variables in the diagram: You will run into reciprocal causation in the final constraint of this logic game. Here are the final diagrams that you should create: Notice how the reciprocal causation constraints are diagrammed. Be aware of the implications of these constraints. For instance, if $B$ is not sent (diagram B), then $A$ cannot… [...]

Answered: NIELIT 2016 MAR Scientist D: 7

Answered: NIELIT 2016 MAR Scientist D: 6

Correct Answer: (A) Explanation: This game introduces the idea of reciprocal causation. For example, the constraint that says “If $A$, then $B$, and if $B$, then $A$” should be transcribed in one of the following two ways, based on the configurations of the other variables in the diagram: You will run into reciprocal causation in the final constraint of this logic game. Here are the final diagrams that you should create: Notice how the reciprocal causation constraints are diagrammed. Be aware of the implications of these constraints. For instance, if $B$ is not sent (diagram B), then $A$ cannot be sent… [...]

Answered: NIELIT 2016 MAR Scientist D: 33

The answer is (C). three [...]

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