Answer Posted / saurabh rakhecha

int main()
{
if (printf(" Hello"))
{
// EMPTY
}
}

Explain how does free() know explain how much memory to release?

1007

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What is methods in c?

1030

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Is it better to bitshift a value than to multiply by 2?

1046

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Explain a file operation in C with an example.

1051

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write a C program:There is a mobile keypad with numbers 0-9 and alphabets on it. Take input 0f 7 keys and then form a word from the alphabets present on the keys.

15923

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Why is a semicolon (;) put at the end of every program statement?

1027

---

Do string constants represent numerical values?

1320

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How can I read data from data files with particular formats?

1000

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Where we use clrscr in c?

1087

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Can we declare variables anywhere in c?

945

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What are the back slash character constants or escape sequence charactersavailable in c?

1119

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Explain low-order bytes.

972

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Why is not a pointer null after calling free? How unsafe is it to use (assign, compare) a pointer value after it is been freed?

1043

---

Write a program to display all the prime nos from 1 to 1000000, your code should not take time more than a minute to display all the nos.

2002

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What is the difference between malloc() and calloc()?

1678

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