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GATE CSE 2021 Set 1 | Question: 46
Consider the following pseudocode, where $\textsf{S}$ is a semaphore initialized to $5$ in line $\#2$ and $\textsf{counter}$ is a shared variable initialized to $0$ in line $\#1$. Assume that the increment operation in line $\#7$ ... is $0$ after all the threads successfully complete the execution of $\textsf{parop}$ There is a deadlock involving all the threads

comment edited in Operating System Feb 19, 2021

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2 answers

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GATE CSE 2021 Set 1 | Question: 13
Suppose a database system crashes again while recovering from a previous crash. Assume checkpointing is not done by the database either during the transactions or during recovery. Which of the following statements is/are correct? The same ... All the transactions that are already undone and redone will not be recovered again The database will become inconsistent

commented in Databases Feb 18, 2021

10.6k views

10 answers

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GATE CSE 2020 | Question: 53
Consider a paging system that uses $1$-level page table residing in main memory and a $\textsf{TLB}$ for address translation. Each main memory access takes $100$ ns and $\textsf{TLB}$ lookup takes $20$ ns. Each page transfer to/from the disk ... $1$ decimal places) is ___________

comment reshown in Operating System Feb 18, 2020

45.2k 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

26.4k views

4 answers

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GATE CSE 2020 | Question: 55
Consider a $\textsf{TCP}$ connection between a client and a server with the following specifications; the round trip time is $6$ ms, the size of the receiver advertised window is $50$ KB, slow-start threshold at the client is $32$ KB, and the ... the size of the congestion window (in $\text{KB}$) at time $t+60$ ms after all acknowledgements are processed is _______

commented in Computer Networks Feb 12, 2020

14.2k views

3 answers

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MadeEasy Full Length Test 2019: Combinatory - Permutations And Combinations
The number of ways 5 letter be put in 3 letter boxes A,B,C. If letter box A must contain at least 2 letters.

commented in Combinatory Jan 30, 2020

1.5k views

1 answer

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Made Easy Test Series 2019: Combinatory - Permutations And Combinations
in how many ways 6 letters can be placed in 6 envelopes such that at least 4 letters go into their corresponding envelopes ?

commented in Combinatory Jan 30, 2020

1.1k views

3 answers

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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? $5$ $4$ $3$ $10$

commented in Databases Jan 27, 2020

10.1k views

0 answers

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Maths and Aptitude preparation strategy
Please suggest me how to do I start preparing for maths and aptitude as I'm already completing other subjects.(Any links or something which can be helpful) Suggestions will be very helpful. Thanks

commented in Mathematical Logic Jan 26, 2020

542 views

1 answer

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Bellman Ford
A pseudo code for Bellman Ford where each edge is relaxed k times where k>=1. Let the graph G be a simple connected and undirected graph . Let number of vertices be V, and number of edges be E . int i=1; for( i=1;i<=k;i++) { For each edge (u,v) ... . (ii) For proper running of the algorithm k can be equal to V-1. (iii) For proper running of the algorithm k must be equal to E.

commented in Algorithms Jan 19, 2020

910 views

2 answers

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commented in CO and Architecture Jan 6, 2020

2.1k views

2 answers

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GATE Overflow | Programming | Test 1 | Question: 23
The value returned by the following function for foo(10) is ____ int foo(int x) { if(x < 1) return 1; int sum = 0; for(int i = 1; i <= x; i++) { sum += foo(x-i); } return sum; }

commented in Programming in C Jan 5, 2020

1.2k views

2 answers

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FAQ-5
How to attempt Gate exam ?

commented in GATE Jan 2, 2020

1.8k views

4 answers

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CMI2014-A-01
For the inter-hostel six-a-side football tournament, a team of $6$ players is to be chosen from $11$ players consisting of $5$ forwards, $4$ defenders and $2$ goalkeepers. The team must include at least $2$ forwards, at least $2$ defenders and at least $1$ goalkeeper. Find the number of different ways in which the team can be chosen. $260$ $340$ $720$ $440$

commented in Combinatory Dec 27, 2019

2.4k views

2 answers

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Recurrence Relation Self-Doubt
What will be solution of recurrence relation if roots are like this: r1=-2, r2=2, r3=-2, r4=2 is this the case of repetitive roots?

commented in Combinatory Dec 27, 2019

852 views

6 answers

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GATE CSE 2015 Set 3 | Question: 37
Suppose $X_i$ for $i=1, 2, 3$ are independent and identically distributed random variables whose probability mass functions are $Pr[X_i = 0] = Pr[X_i = 1] = \frac{1} {2} \text{ for } i = 1, 2, 3$. Define another random variable $Y = X_1X_2 \oplus X_3$, where $\oplus$ denotes XOR. Then $Pr[Y=0 \mid X_3 = 0] =$______.

commented in Probability Dec 21, 2019

16.5k views

1 answer

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Which of the following condition is sufficient to detect cycle in a directed graph?
Which of the following condition is sufficient to detect cycle in a directed graph? (A) There is an edge from currently being visited node to an already visited node. (B) There is an edge from currently being visited node to ... seen twice in DFS. (D) None of the bove here option B is right, but why not option A?

commented in Algorithms Dec 4, 2019

13.4k views

1 answer

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Computer Organization
A computer has 256 K word memory. The instruction format has 4 fields i.e., Opcode, register field to represent one of the 60 processor registers, mode field represent one of 7 addressing modes and memory address field. How many instructions the system supports when a 32- bit instruction is placed in the one memory cell.

commented in CO and Architecture Nov 28, 2019

13.1k views

2 answers

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Self Doubt In String C-Programming
#include <stdio.h> void my_toUpper(char* str, int index) { *(str + index) &= ~32; } int main() { char* arr = "gatesquiz"; my_toUpper(arr, 0); my_toUpper(arr, 5); printf("%s", arr); return 0; } (a) GatesQuiz (b) gatesquiz (c) Compiler dependent

commented in Programming in C Nov 18, 2019

1.6k views

6 answers

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GATE CSE 2017 Set 2 | Question: 19
Consider the following tables $T1$ and $T2.$ ... delete record $\langle 3, 8 \rangle$ from the table $T1,$ the number of additional records that need to be deleted from table $T1$ is _______

commented in Databases Nov 12, 2019

18.3k views

1 answer

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Turing Machine
S1: Can a Turing machine ever write a blank symbol on its tape. S2: Any Turing machine must have at least two states which of above statements are true???

commented in Theory of Computation Nov 8, 2019

1.8k views