Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...


What are volatile variables?



What are volatile variables?..

Answer / manoj

Volatile variable will be used when we are dealing with
external memory, external device and interrupt service
routine. In these situation if some variable needs update
or gets update without user knowledge in that case variable
should be declared as VOLATILE. otherwise we may loose
these update.

Is This Answer Correct ?    8 Yes 1 No

Post New Answer

More C Interview Questions

which of the function operator cannot be over loaded a) <= b)?: c)== d)*

10 Answers   Cisco, CTS, Google, HCL, HP,


Define the scope of static variables.

0 Answers  


Write one statement equalent to the following two statements x=sqr(a); return(x); Choose from one of the alternatives a.return(sqr(a)); b.printf("sqr(a)"); c.return(a*a*a); d.printf("%d",sqr(a));

6 Answers   TCS,


What is the output for the below program? void main() { float me=1.1; double you=1.1; if(me==you) printf("love c"); else printf("know c"); }

7 Answers  


Where register variables are stored in c?

0 Answers  


Explain null pointer.

0 Answers  


Efficient data structure for store/search list of 1000 records a)array b)double linked list c)circular queue d)hash table

3 Answers   Value Labs,


long int size a) 4 bytes b) 2 bytes c) compiler dependent d) 8 bytes

18 Answers   Acropolis, HCL, Intel, TCS,


is it possible to create your own header files?

0 Answers  


hw can we delete an internal node of binary search tree the internal node has child node..plz write progarm

0 Answers   TCS,


To what value are pointers initialized? 1) NULL 2) Newly allocated memory 3) No action is taken by the compiler to initialize pointers.

4 Answers   Aricent,


Explain what is the heap?

0 Answers  


Categories