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FAQ-5
How to attempt Gate exam ?

commented in GATE Jul 25, 2020

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3 answers

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GATE CSE 2020 | Question: GA-4
The dawn of the $21$st century witnessed the melting glaciers oscillating between giving too much and too little to billions of people who depend on them for fresh water. The UN climate report estimates that without deep cuts to man- ... billions of people. Billions of people are responsible for man-made emissions. Billions of people are affected by melting glaciers.

commented in Verbal Aptitude Feb 12, 2020

2.9k views

9 answers

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GATE CSE 2020 | Question: 16
What is the worst case time complexity of inserting $n$ elements into an empty linked list, if the linked list needs to be maintained in sorted order? $\Theta(n)$ $\Theta(n \log n)$ $\Theta ( n)^{2}$ $\Theta(1)$

commented in DS Feb 12, 2020

20.8k views

1 answer

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Made Easy Test Series:Algorithm-Time Complexity
Consider a procedure $find()$ which take array of $n$ integers as input, and produce pair of element of array whose difference is not greater than the difference of any other pair of element of that array. Which of the following represent ... Here we need to sort first and then need to compare adjacent element right?? Then what will be complexity??

commented in Algorithms Jan 22, 2020

1.7k views

3 answers

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What is the effect on line utilization, if we increase the number of frames for a constant message size?

commented in Computer Networks Dec 28, 2019

2.8k views

18 answers

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GATE CSE 2004 | Question: 62
A 4-bit carry look ahead adder, which adds two 4-bit numbers, is designed using AND, OR, NOT, NAND, NOR gates only. Assuming that all the inputs are available in both complemented and uncomplemented forms and the delay of each gate is one time ... the carry network has been implemented using two-level AND-OR logic. 4 time units 6 time units 10 time units 12 time units

commented in Digital Logic Oct 10, 2019

25.3k views

1 answer

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Test by Bikram | Algorithms | Test 2 | Question: 17
Which of the following are TRUE? $n! = \theta ((n + 1)!)$ $\log4 n = \theta ( \log2 n )$ $\sqrt{\log n} = O(\log \log n)$ (i) & (iii) only (i) & (ii) only (ii) only (i),(ii) and (iii)

commented in Algorithms Sep 23, 2019

300 views

18 answers

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GATE CSE 2004 | Question: 47
Consider a system with a two-level paging scheme in which a regular memory access takes $150$ $nanoseconds$, and servicing a page fault takes $8$ $milliseconds$. An average instruction takes $100$ nanoseconds of CPU time, and two memory accesses. ... execution time? $\text{645 nanoseconds}$ $\text{1050 nanoseconds}$ $\text{1215 nanoseconds}$ $\text{1230 nanoseconds}$

commented in CO and Architecture Sep 21, 2019

52.3k views

1 answer

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made easy 2019 Q33
how many of the following statements is incorrect regarding the time complexity of binary search tree,AVL Tree, min heap, binary tree? i assumed non existent elements are those which do not exists in a tree, acc to me only (a) is incorrect! because to find any element in BST, It takes O(n) time

commented in DS Sep 2, 2019

1.7k views

12 answers

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GATE CSE 2005 | Question: 70
Consider a disk drive with the following specifications: $16$ surfaces, $512$ tracks/surface, $512$ sectors/track, $1$ KB/sector, rotation speed $3000$ rpm. The disk is operated in cycle stealing mode whereby whenever one $4$ byte word is ready it is sent ... $40$ nsec. The maximum percentage of time that the CPU gets blocked during DMA operation is: $10$ $25$ $40$ $50$

commented in CO and Architecture Jun 30, 2019

33.3k views

9 answers

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GATE IT 2004 | Question: 13
Let $P$ be a singly linked list. Let $Q$ be the pointer to an intermediate node $x$ in the list. What is the worst-case time complexity of the best-known algorithm to delete the node $x$ from the list ? $O(n)$ $O(\log^2 n)$ $O(\log n)$ $O(1)$

commented in DS Jun 28, 2019

20.3k views

12 answers

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GATE CSE 2016 Set 1 | Question: 41
Let $Q$ denote a queue containing sixteen numbers and $S$ be an empty stack. $Head(Q)$ returns the element at the head of the queue $Q$ without removing it from $Q$. Similarly $Top(S)$ returns the element at the top of $S$ without removing ... = Pop(S); Enqueue (Q, x); end end The maximum possible number of iterations of the while loop in the algorithm is _______.

commented in DS Apr 20, 2019

25.7k views

11 answers

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GATE CSE 1994 | Question: 1.11
In a compact single dimensional array representation for lower triangular matrices (i.e all the elements above the diagonal are zero) of size $n \times n$, non-zero elements, (i.e elements of lower triangle) of each row are stored one after another, starting from the first row, the index of the ... is: $i+j$ $i+j-1$ $(j-1)+\frac{i(i-1)}{2}$ $i+\frac{j(j-1)}{2}$

commented in DS Apr 19, 2019

23.3k views

4 answers

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GATE IT 2007 | Question: 58
A demand paging system takes $100$ time units to service a page fault and $300$ time units to replace a dirty page. Memory access time is $1$ time unit. The probability of a page fault is $p$ ... that the average access time is $3$ time units. Then the value of $p$ is $0.194$ $0.233$ $0.514$ $0.981$

commented in Operating System Apr 14, 2019

18.4k views

10 answers

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GATE IT 2004 | Question: 88
Suppose that the maximum transmit window size for a TCP connection is $12000$ $\text{bytes}$. Each packet consists of $2000$ $\text{bytes}$. At some point in time, the connection is in slow-start phase with a current transmit window of $4000$ $\text{bytes}$. ... transmit window? $4000$ $\text{bytes}$ $8000$ $\text{bytes}$ $10000$ $\text{bytes}$ $12000$ $\text{bytes}$

commented in Computer Networks Apr 13, 2019

19.4k views

8 answers

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GATE CSE 2016 Set 1 | Question: 33
Consider a carry look ahead adder for adding two $n$-bit integers, built using gates of fan-in at most two. The time to perform addition using this adder is $\Theta (1)$ $\Theta (\log(n))$ $\Theta (\sqrt{n})$ $\Theta (n)$)

commented in Digital Logic Jan 28, 2019

25.9k views

6 answers

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GATE CSE 2018 | Question: 40
Consider the following solution to the producer-consumer synchronization problem. The shared buffer size is $N$. Three semaphores $empty$, $full$ and $mutex$ are defined with respective initial values of $0, N$ and $1$. Semaphore $empty$ denotes the number of available slots in the buffer, ... $P: empty, \ \ \ Q:full, \ \ \ R:full, \ \ \ S:empty$

commented in Operating System Jan 26, 2019

11.6k views

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#roundrobinalgorithm #operatingsystem #processmanagement
How does round robin schedulling algorithm implemented since it even uses burst time to compare for time quantum and burst tym is unpredictable at the starting .?

asked in Operating System Jan 25, 2019

97 views