Recent questions tagged self-doubt

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1

General
How to see my bookmark question ?

asked Nov 4, 2018 in Others by Vishal sakariya (13 points) | 94 views

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2

c language
in char data type ,plzzz tell me initilization can be seprated from declaration..

asked Nov 2, 2018 in Programming by saurabh111 (273 points) | 19 views

+2 votes

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3

Difference between efficency and throughput?
I am confused with this silly doubt.. someone please help me. To calculate efficiency of sliding window protocol we use formula Efficiency = 1/1+2a ------Formula1 i understood how this formula derived by series of steps. And the we ... I am not trying to mug up formulas but trying to understand how they are derived and how each term have its significance

asked Oct 26, 2018 in Computer Networks by vupadhayayx86 Active (1.6k points) | 392 views

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1 answer

4

Compiler self doubt
Can we comment/compare the number of GOTO moves in LALR and CLR CLR and SLR?

asked Oct 21, 2018 in Compiler Design by manisha11 Active (2.3k points) | 56 views

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5

Self Doubt
What would be the worst case time complexity of an unreachable code? Let's say there are two parts to the code, where first part is if (0) with complexity O(n) and the else part with O(1). Something like this: if (0) { Time complexity ... or we deduce it logically? Is there any resource to support this? How is time complexity calculated for unreachable code? Thanks Registered user 48

asked Oct 4, 2018 in Algorithms by Registered user 48 Junior (581 points) | 38 views

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1 answer

6

No of flip flops required
If there are total 21 different states in a system and there is one external input, then how many flip flops are required in case of : ripple counter ring counter johnson counter

asked Sep 16, 2018 in Digital Logic by Balaji Jegan Active (4.9k points) | 81 views

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7

Doubt in memory hierarchy
What are the external connections in memory circuit ?

asked Sep 15, 2018 in CO and Architecture by Abbas Ahmad (125 points) | 16 views

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8

Peter Linz Edition 4 Theorem 12.1 (Page No. 301)
How $H'$ ending with initial state $q_{0}$? Plz explain with the figure given

asked Sep 13, 2018 in Theory of Computation by srestha Veteran (117k points) | 38 views

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9

Peter Linz Edition 4 Theorem 12.1 (Page No. 300)
Need some explanation on these two states. How from first state we can go to the last state as shown the symbol?

asked Sep 13, 2018 in Theory of Computation by srestha Veteran (117k points) | 44 views

+1 vote

1 answer

10

Made Easy Theory Book
Can somebody please explain the meaning of the following statement : An automation is a cognitive device and a grammar is a generative device.

asked Aug 1, 2018 in Theory of Computation by Sid865 (37 points) | 66 views

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11

#OS #Semaphores Producer Consumer Problem Self Doubt.
I know, that both P and C can go and fall into sleeping state in case of preemption and this can be solved via Semaphores. Now, my doubt is that integer bit that will be set by the P and being sent to C and C will see the semaphore bit ... ? Basically, both P and C can send this integer bit or only P can send this to C to wake him up? Thank you!

asked Jul 22, 2018 in Operating System by iarnav Loyal (8.3k points) | 121 views

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2 answers

12

Normalization - 3NF doubt
A relation has the attributes R(ABCDEPG). The set of Functional Dependencies are : $F: { AB \to CD, DE \to P, C\to E, P\to C, B \to G }$ ... A LOSSLESS AND DEPENDENCY PRESERVING PROPERTY IN 3NF - But I am not getting the Dependency Preservation property. Is something wrong with the decomposition ?

asked Jul 4, 2018 in Databases by Harsh Kumar Active (1.3k points) | 172 views

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13

pipelining
What is difference between in both questions https://gateoverflow.in/3690/gate2004-it-47#c165909 https://gateoverflow.in/1314/gate2009-28

asked Jun 30, 2018 in CO and Architecture by Bhavna kumrawat (39 points) | 35 views

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2 answers

14

#Algorithm Bellman Ford uses which algorithm design technique
Is it Dynamic programming?

asked May 17, 2018 in Algorithms by iarnav Loyal (8.3k points) | 255 views

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15

Cache coloring
I am stuck in two doubts. Is page-coloring / cache-coloring same as set-associative mapping in cache ( that is are they different names for same concept)? Is the cache line size always equal to the page-size, or it depends upon implementation details ( that is it will be given in the question )?

asked May 13, 2018 in Operating System by Harsh Kumar Active (1.3k points) | 104 views

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1 answer

16

pushdown-automata

asked Apr 23, 2018 in Theory of Computation by sumitr (235 points) | 77 views

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17

Codes of Turing Machine
As codes of turing machines are unique for a given turing machine,Say no i have two turing machines ,one for even a's and other for odd a's over the input a,b. Now both these machines will have same transition function but ... state and codes of turing machine is the representation of transition function,so how do these two turing machines will have different codes?

asked Apr 11, 2018 in Theory of Computation by rahul sharma 5 Boss (25.3k points) | 354 views

+2 votes

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18

SQL Query
Why this Query is illigal? i.e. Answer given is option C I tried this on W3school IDE it is giving result as option A.

asked Jan 29, 2018 in Databases by Ashwin Kulkarni Boss (18.7k points) | 101 views

+3 votes

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19

Exam Queries
How many question Gate Toppers attempt in actual Gate Exam and How many marks they do negative? In case of both Easy or Tough paper. Seniors, Please share your experiences.

asked Jan 29, 2018 in GATE by Rajnish Kumar 1 Active (1.6k points) | 85 views

+1 vote

1 answer

20

3NF Normalization Doubt
Is a relation with multiple candidate keys in 3NF? According to this, As per the first definition any relation having multiple candidate keys will have transitive dependency to a non key attribute. My Inference : Since it has a Transitive dependency ... given is correct or not.And if it is correct can you please provide some other reference illustrating the same concept.

asked Jan 25, 2018 in Databases by Sourajit25 Active (1.3k points) | 107 views

+1 vote

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21

Turing machine
Can anybody explain how a Two stack PDA behaves as a TM?

asked Jan 24, 2018 in Theory of Computation by Na462 Loyal (6.9k points) | 51 views

+1 vote

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22

Rice's Theorem
What is monotonic and non-monotonic property. Please explain the second postulate of Rice's Theorem.

asked Jan 23, 2018 in Theory of Computation by Sumaiya23 Active (1.6k points) | 104 views

+2 votes

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23

Self doubt
This may seem trivial I'm scoring little less in Made-easy than what I'm scoring in other Test series. Is made-easy test closer to actual gate difficulty?Or they are just trying to make it difficult. Overall. I want to know so that I'm ready for tough paper too. I'd appreciate any experiences or suggestion

asked Jan 22, 2018 in Revision by Ajay Jadhav Active (2k points) | 142 views

+2 votes

1 answer

24

3NF Fully functional dependent
Consider the following statements: A relation R is in 3NF, if every non-prime attribute of R, is fully functionally dependent on some key of R. State True or False

asked Jan 15, 2018 in Databases by anabee (89 points) | 370 views

+1 vote

1 answer

25

Sql query gate
Provide the correct answer

asked Jan 13, 2018 in Databases by Harikesh Kumar Junior (875 points) | 102 views

+3 votes

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26

What is the meaning of specialized and generalized entity?

asked Jan 11, 2018 in Databases by thepeeyoosh Active (2k points) | 147 views

+1 vote

1 answer

27

Starvation
I am confused with what exactly Starvation mean ? AFAIK Considering Process Scheduling eg SRTF and SJF , Starvation can be considered when some process is getting preempted by other high priority processes and hence not getting a chance to execute on CPU and ... do we consider a Single processor system or a Multiprocessor i.e. when we have multiple processing cores or CPUs available?

asked Jan 9, 2018 in Operating System by VS Boss (10.6k points) | 114 views

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28

TOC CFL
Is it a viable possibility: For both L and L complement to be Context Free Language but not Regular? Why?

asked Dec 16, 2017 in Theory of Computation by Nefarious Monkey (71 points) | 51 views

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29

TOC CFL Closure property doubt
Is it viable possibility that L and L complement can both be CFL but not Regular?

asked Dec 15, 2017 in Theory of Computation by Nefarious Monkey (71 points) | 100 views

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30

Doubt in Rice's Theorem
I have a doubt while understanding step 2 in proof of Rice's Theorem- According to my understanding,proof of Rice's theorem as follows ( Please suggest If something is wrong in my understanding) P is a property of languages of TM which is non-trivial ... Same problem as ATM). Can M' take decision in finite time. Please give me some insights to I can understand this point.

asked Dec 15, 2017 in Theory of Computation by Durgesh Singh Junior (755 points) | 138 views

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