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Questions by A_i_$_h

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0 answers

1

Isro exam admit card
When will isro 2018 admit card be released? Is it out? Exam date -22nd april

asked in ISRO Apr 3, 2018

293 views

1 vote

0 answers

2

Gate mtech admission
Regarding mtech placements Which is a better choice among these 1.NIT calicut 2.PSG college of technology , coimbatore 3.anna university, guindy ARJUN SIR please give your views too would be helpful :)

asked in Written Exam Mar 10, 2018

130 views

5 votes

0 answers

3

Gate general
Gate 2018 answer keys when will it be out??? If its out at anytime please do share the link

asked in GATE Feb 4, 2018

737 views

2 votes

1 answer

4

non abelian
Let G be a non abelian group, order of G can be 24 44 54 34

asked in Set Theory & Algebra Jan 30, 2018

432 views

2 votes

0 answers

5

sum is odd
A six faced dice is biased , there is twice as likely to show an even number than an odd number . If it is thrown thrice , then probability of sum of 2 numbers thrown is odd is _____________________________

asked in Probability Jan 27, 2018

366 views

1 vote

0 answers

6

regular language
only option C is regular right ?

asked in Theory of Computation Jan 25, 2018

292 views

1 vote

0 answers

7

MUltiplexer
s1 = C' and enable is again negated therefore E = (C')' = C now for minterm 1 = binary representation = 0 0 0 1 here C=0 therefore E=0 so how can this be the option it should be none of the above right ?

asked in Digital Logic Jan 25, 2018

136 views

1 vote

1 answer

8

max file size
when question asks about maximum file size sometimes only the size of the biggest pointer ( eg. triple indirect pointer) is considered and some solutions take the sum of single , double , triple and direct pointers as well can someone clear the ambiguity

asked in Operating System Jan 25, 2018

194 views

1 vote

0 answers

9

range of normalised mantissa
sign bit ( 1 bit) biased exponent ( 6 bits) mantissa( 20 bits) what is the range of normalised mantissa? answer : 1 to 2 - 2-20 minumum is 1 but max how is 2-2-20.....they havent considered exponent to be all 1's shouldnt it be 2-2-20 * 231 where 231 is obtained by all 1's in exponent part

asked in Digital Logic Jan 24, 2018

309 views

7 votes

4 answers

10

MadeEasy Test Series: Combinatory - Permutations And Combinations
MY SOLUTION : Fix the root then next level 2 elements ( 2! possibilities) next level 4 elements( 4! possibilities) last level 2 elements ( 2! possibilities) total possibility = 2! * 4! * 2! = 2 * 24 * 2 = 96 what ... that if node of above graph is filled with these elements it satisfies max heap property a)96 b)896 c)2688 d) none

asked in Combinatory Jan 24, 2018

3.1k views

2 votes

1 answer

11

subnet ID
IP address is 129.57.104.143 subnet mask is 255.255.255.0 what is number of 1's in subnet id ?

asked in Theory of Computation Jan 16, 2018

319 views

2 votes

0 answers

12

context free
is L= { (an bn)*cm | n,m>=1 } CFL ? with reason please

asked in Theory of Computation Jan 16, 2018

92 views

2 votes

0 answers

13

CARRY adder
number of AND gates for a carry look ahead adder of n bits = 1 + 2 + 3 +................n i read it somewhere but not sure where is that statement correct if yes can i have a reason for it being correct

asked in Digital Logic Jan 10, 2018

150 views

1 vote

0 answers

14

abelian
How many different non-isomorphic Abelian groups of order 4 are there? 2 3 4 this is already discussed here https://gateoverflow.in/1219/gate2007-21 doubt 1 - here how do we ensure that the splits formed are abelian groups ? doubt 2 - if order of the group can be prime factorised then its sure to be abelian ? doubt 3 - how is non isomorphism proved in the solution?

asked in Set Theory & Algebra Jan 6, 2018

237 views

1 vote

0 answers

15

identity element
Let A be the set of all non-singular matrices over real number and let ∗ be the matrix multiplication operation. Then answer - A is group but not abelian DOUBT - in order to be a group it should first first be a monoid ( have identity element) what will be the identity matrix here ?

asked in Set Theory & Algebra Jan 6, 2018

335 views

1 vote

0 answers

16

functions
https://gateoverflow.in/27344/tifr2014-b-17 this says option C ( parity function is not possible ) but why ? if we take OR of the inputs it will give 0 for even no of 1's and 1 for odd no.of 1's right ? any counter ?

asked in Set Theory & Algebra Jan 5, 2018

337 views

1 vote

0 answers

17

line graph
the line graph of a tree is not a tree can i get an example

asked in Graph Theory Dec 29, 2017

114 views

1 vote

1 answer

18

GATE1991 doubt
https://gateoverflow.in/43605/gate1991-10c in the answer given .....it will generate a parenthesis like (id - id / id) right? will not that be redundant ?

asked in Compiler Design Dec 28, 2017

213 views

0 votes

1 answer

19

ambiguity
E→E−T ∣ T T→T/F ∣ F F→(E) ∣ id (E is the start symbol) This grammar is unambiguos.........but shouldnt it be ambiguos because it has left recursion ?

asked in Compiler Design Dec 23, 2017

329 views

0 votes

0 answers

20

reg and graph colour
https://gateoverflow.in/8098/gate2015-2-19 How is register allocation and graph colouring related

asked in Compiler Design Dec 23, 2017

104 views

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