Placement Papers & Tips

you can get here all new and latest placement paper of various IT and non-IT companies plus GD topics and tips

Thursday

What is a null pointer ?

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There are times when it’s necessary to have a pointer that doesn’t point to anything. The macro NULL, defined in , has a value that’s guar...

Can include files be nested?

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Yes. Include files can be nested any number of times. As long as you use precautionary measures , you can avoid including the same file tw...

Can a variable be both constant and volatile?

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Yes. The const modifier means that this code cannot change the value of the variable, but that does not mean that the value cannot be chan...

Can static variables be declared in a header file ?

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You can’t declare a static variable without defining it as well (this is because the storage class modifiers static and extern are mutually...
Wednesday

What is hashing ?

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To hash means to grind up, and that’s essentially what hashing is all about. The heart of a hashing algorithm is a hash function that takes...
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