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Questions by joshi_nitish

2 votes

1 answer

1

Random_Doubt
if it is given -> "Every satisfiable propositional formula is not tautology" then what will it corresponds to? i am writing its hindi, which among below two are correct? "har ek satisfiable formula tautology nahi hota hai" // it is indeed truth. "koi bhi satisfiable formula hua, to wo tautology nahii hoga" // this is false.

asked in Mathematical Logic Jan 24, 2018

249 views

2 votes

0 answers

2

doubt
#include <stdio.h> int main(void) { static int a[10]; int x=0; a[x]=++x; printf("%d %d %d",a[0],a[1],a[2]); return 0; } my doubt here is [ ] has high precedence over ++ which in turn has precedence over =, so i think it a[x] = ++x; is evaluated in 3 ... > a* phase2: ++x -> x=1 phase3: a*=1 or a[0]=1 so finally answer should be 1 0 0, but it is giving 0 1 0 as output.

asked in Programming Dec 3, 2017

278 views

5 votes

1 answer

3

Doubt
#include <stdio.h> #define A -B #define B -C #define C 5 int main(void) { printf("%d",A); return 0; } now my doubt here is, before compilaion i think macro will make printf part as, printf("%d",--5); which should give L-value ... ("%d",-(-5)); leading to no compiler error and giving answer as 5, but macro implicitly never put precedence braces() itself...

asked in Programming Nov 5, 2017

578 views

3 votes

1 answer

4

IPv6 header
No. of bits to represent (traffic class, flow label) in IPv6 header ?? in fourozan it is given as (4, 24) whereas in peterson and tennenbaum it is given as (8, 20)

asked in Computer Networks Oct 5, 2017

470 views

2 votes

0 answers

5

self doubt
if A is regular, L= HALF(A)= { x | for some y, |x|= |y| and xy ϵ A} is regular i want to ask if i know DFA for A, how to construct DFA for L ??

asked in Theory of Computation Aug 1, 2017

210 views

0 votes

1 answer

6

switch-case
BREAK can be used in switch-case but CONTINUE is not allowed in switch-case but CONTINUE is allowed in DEFAULT case of switch-case..is it correct??

asked in Programming and DS Jun 29, 2017

318 views

0 votes

0 answers

7

ace practice booklet

asked in Databases Jun 20, 2017

489 views