Recent questions tagged selfdoubt - GATE CSE Doubts

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GATE- 2022 self doubt
Can 3rd year candidate participate in GATE 2022?

asked Mar 12 in GATE by DIPANKAR GIRI (5 points) | 27 views

+1 vote

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GATE graph theory
How many non-isomorphic graphs are possible with 6 edges 6 vertices each having a degree of 2? 2 4 5 6

asked Mar 9 in Graph Theory by donniedarko (39 points) | 20 views

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Prepositional Logic
which of the following is valid ? 1- p => ( q v r ) 2- p => ( q ^ r ) please provide little bit explaination?

asked Mar 9 in Mathematical Logic by hitendra singh (73 points) | 18 views

+1 vote

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GATE functions and relations
The function f: [0,3]$\rightarrow$[1,29] defined by f(x) = $2x^{3} - 15x^{2} + 36x +1$ where x is an integer is (a) injective and surjective (b) surjective but not injective (C) injective but not surjective (d) neither injective not surjective

asked Mar 7 in Mathematical Logic by donniedarko (39 points) | 36 views

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GATE ECE PREVIOUS YEAR QUESTIONS BOOK

asked Mar 6 in Digital Logic by Atulvstar (5 points) | 18 views

0 votes

1 answer

Will academic year 2021-22 for fresh joinees in mtech programs in iits be on-campus or offline?

asked Mar 4 in IISc/IITs by rish-18 (9 points) | 179 views

+2 votes

1 answer

Self Doubt on Theory of Computation
What is the intersection of recursive and recursively enumerable language?

asked Mar 4 in Theory of Computation by samir757 (17 points) | 30 views

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CO & Architecture Work book chapter Machine instruction and addressing modes

asked Mar 3 in CO & Architecture by Nitinkumar.097 (13 points) | 20 views

+1 vote

1 answer

Aptitude question self doubt
The greatest number that divides 215,167 and 135 so as to leave the same remainder in each case What is the approach to solve such questions #gate2022

asked Mar 1 in Numerical Ability by ijnuhb (747 points) | 31 views

+1 vote

1 answer

Unambiguous Grammar
I am no able to prove if the following grammar is ambiguous. G=({S,A,B},{A,B},P,S} P: S->aAB|bBA A->bS|a B->aS|b Can some one help me prove it?

asked Mar 1 in Theory of Computation by ritikagupta8734 (11 points) | 33 views

+1 vote

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TIFR 2020 Question 1 Computer Science section
Consider the following Boolean valued function on n Boolean variables: f(x1, ,xn)=x1+⋯+xn(mod 2), where addition is over integers, mapping FALSE' to 0 and TRUE' to 1. Consider Boolean circuits (with no feedback) that use only logical AND and OR gates, and ... 2^o(logn) n^c, for some fixed constant c n^ω(1), but n^O(logn) 2^Θ(n) None of the others

asked Feb 28 in Digital Logic by harleenkaur (9 points) | 28 views

+1 vote

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#self doubt #Time complexity #tree
1) Time complexity to construct a Binary tree when inorder and preorder/postorder traversal of the tree is given. a) if inorder sorted b) if inorder is not sorted. 2) If construct Binary tree when pre-order and postorder to the tree is given. .....… My answer: 1 a) O( nlogn) 1 b) O(nlogn) 2) O(2^n) Please check and correct Thanks

asked Feb 27 in Algorithms by Hradesh patel (9 points) | 17 views

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Data base management system
Hello sir/mam, Today I've been told by our sir that we can write into ROM. Is that specified for mobile ROM or Computer ones or none of them please do clarify my doubt!

asked Feb 27 in Databases by Sai Manognya (5 points) | 18 views

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Autocomplete package for C++ in Sublime Text 3
I was trying to install an auto-complete package for c++ in sublime text 3 but was unable to do so if anyone has any prior experience please help me….

asked Feb 26 in Object Oriented Programming by fahad1247 (5 points) | 10 views

+1 vote

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DRDO 2020 computer science descriptive exam
Consider a binomial experiment of flipping a biased coin five times with probability of head ,p=0.75 and probability of tail q=0.25 in each flip. What is the probability that last two flips will be heads if the first three flips are known to be tails ?

asked Feb 25 in Probability by rapidxy (9 points) | 33 views

+1 vote

1 answer

Self Doubt regarding ER diagram
What is degree of Self Referential Relationship? Unary or Binary?

asked Feb 24 in Databases by adas7099 (9 points) | 23 views

+3 votes

3 answers

Made easy self dought
Q. R(A,B,C,D,E,F) with {A,BC,CD} candidate keys.How many super keys possible?

asked Feb 23 in Databases by Enolx.21 (49 points) | 58 views

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#pointer properties
#include<stdio.h> int main() { char *s[] = { "knowledge","is","power"}; char **p; p = s; printf("%s ", ++*p); printf("%s ", *p++); printf("%s ", ++*p); return 0; }

asked Feb 21 in Programming by Sur_1611 (5 points) | 24 views

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Admissions Related
Hi friends, I am a GATE 2021 Aspirant. My Gate exam didn't go as expected. I am planning of taking admission in Anna University(AU)/Madras Institute of Technology(MIT) both of them in Chennai. They both accept Gate score in addition to their own exam for M.Tech ... to get the TANCET PYQ's of recent years as I couldn't get recent years pyq's like 2020.2019 etc. Thanks in advance.

asked Feb 21 in Other Colleges by MohanK (5 points) | 19 views

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Where to read Cache Memory concept ?
Hi, my concepts regarding cache memory is weak. Please let me know that where (book or online source) to read Cache memory concepts ? If you have any knowledge about it please share ? Please try to share only standard sources.

asked Feb 17 in CO & Architecture by beta (5 points) | 17 views

+1 vote

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How to prepare for GATE 2022 using standard text books only (and NPTEL) to score close to 100% marks within 12 months.

asked Feb 17 in GATE by Shinichi_Kudo (13 points) | 200 views

+1 vote

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Parsing table
Can we generate different parsing table for grammar

asked Feb 14 in Compiler Design by SHWETA RAO (9 points) | 21 views

+1 vote

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Gate 2020 question
Consider a database implemented using B+ tree for file indexing and installed on a disk drive with block size of 4 KB. The size of search key is 12 bytes and the size of tree/disk pointer is 8 bytes. Assume that the database has one million ... each record fits into one disk block. The minimum number of disk accesses required to retrieve any record in the database is ______.

asked Feb 13 in Databases by Enolx.21 (49 points) | 22 views

0 votes

1 answer

while solving a flip flop question i came around this situation.

asked Feb 12 in Digital Logic by Arpit Somani (5 points) | 39 views

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Self Doubt,IP4
Maximum value of fragment offset in IP4

asked Feb 12 in Computer Networks by valerie21 (5 points) | 26 views

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Self doubt COA
How to know when to use simultaneous average time formula and when to use hierarchical average time formula for the calculation of tavg questions?

asked Feb 10 in CO & Architecture by Abhipsa (17 points) | 24 views

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SELF DOUBT IN IMPLICATIONS
Can anybody please make me understand what's the relationship among implications in proposition logic and statements such as 1. Necessarily but not sufficient 2. Sufficient but not necessary 3. Sufficient as well as necessary 4. Neither sufficient nor necessary ( although I am ... <--> q If p is neither sufficient nor necessary is the same as ! (p <--> q)

asked Feb 9 in Mathematical Logic by s_dr_13 (15 points) | 19 views

0 votes

1 answer

Context Free Languages (Self Doubt)
I understand that the language L = {a^m b^n c^k|(m=n)or(n=k)} is CFL because it can be represented as the union of L1 = {a^m b^m c^k} and L2 = {a^m b^k c^k} which are both CFL's. But I can't figure out the working of the PDA accepting L. To check ... meaning (m=n) or (m-n) a's or (n-m) b's will remain in the stack meaning (m!=n). How can we check for (n=k) now?

asked Feb 6 in Theory of Computation by shantanu4raje (25 points) | 44 views

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Supernetting Rules (Self Doubt)
I have read rules of supernetting from a few sources and have got conflicting information. this (3:20) , this and this say that the rules are: 1.All the Networks should be contiguous. 2.The block size of every networks should be equal ... 2 and first address being divisible by "number of blocks" in the supernet. What is going wrong? Am I missing something?

asked Feb 5 in Computer Networks by shantanu4raje (25 points) | 13 views

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Tga test series
Why dirty read ? Here T2 was commited after the T1....what about the option c?

asked Feb 5 in Databases by Enolx.21 (49 points) | 14 views

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Made easy test series
Consider the following problems and select the problem which is recursively enumerable but not recursive. (MSQ type) 1 . Whether a given Turing machine accepts non-empty language. 2. Whether a given Turing machine accepts finite language . 3. Whether a given Turing machine accepts at most 10 strings 4. Whether a given Turing machine accepts at least 10 strings.

asked Feb 4 in Theory of Computation by gajendercse (41 points) | 48 views

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Subnet Self-Doubt
If there are n bits available for subnet, how many sub-nets are possible ?

asked Feb 2 in Computer Networks by valerie21 (5 points) | 55 views

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1 answer

Tga test series

asked Feb 2 in Databases by Enolx.21 (49 points) | 39 views

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TOC | CSL Complement | Ace Pre Gate Question
The complemment of the language {wwww|w is in ([email protected]+$)*} is Regular CSL but not CFL CFL CSL Answer Can someone please explain how this language is CFL ?

asked Feb 1 in Theory of Computation by Sam_Gate21 (5 points) | 30 views

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Self Doubt on Number System topic in Computer architecture

asked Jan 28 in CO & Architecture by Shu_b_ham007 (5 points) | 25 views

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Self Doubt regarding exam preparation
Hi Guys, I am working int IT and have 5 years of experience in QA domain. I just started preparing for Gate 2022 as i don't see much scope in my domain and wanted to pursue masters from IIT so that i can get better opportunities ... wise to do Masters from IIT with 6 -7 years of experience and does it creates any problems in placements. Suggestions are welcome

asked Jan 27 in Others by ankeshsingh (5 points) | 43 views

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GATE 2007-40 and GATE 2009-36
What is the proper definition for closed and open hashing? They seem to be used interchangeably in the following two questions Consider a hash table of size seven, with starting index zero, and a hash function (3x+4)mod7(3x+4)mod7. ... same table and methods like probing and double hashing. Right now I am just assuming that whenever linear probing to used closed.

asked Jan 27 in Algorithms by raving_sajeev (5 points) | 19 views

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Mark read isn't working on GO website.
I have marked questions as read and it does nothing. It doesn't get highlighted or get archived. Edit : No one has answered this question. So I am updating with details. This is a question Now I have marked it as read Now it doesn ... Please @zxy123 , @StoneHeart, @Satbir, @Arjun sir. Is this feature only available to verified users? If so, please let me know.

asked Jan 25 in Others by neel19 (7 points) | 55 views

+1 vote

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Student selfdought
Void f(int n) { if(n<=1) return; f(n-1); f(n-1); } Q.1 ) what is total no of recursive calls in f(n) ? Q.2 ) what is the total no of calls in f(n) ?

asked Jan 24 in Algorithms by Enolx.21 (49 points) | 39 views

0 votes

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self doubt regarding exam
i am amble to solve pyq but i am not scoring good marks in test series . i am only getting 30 to 40 marks . so i have doubt the i will score good marks in exam or not . only 20 days are remaining for exam . please give your suggestion how to utilize these 20 days and how to handle fear ?

asked Jan 23 in GATE by Anuragcse15 (5 points) | 18 views

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