Answer Posted / vijay kumar tiwari

#include<iostream.h>
main()
{
cout<<"hello";
}

What is scope of variable in c?

1026

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Which is more efficient, a switch statement or an if else chain?

1006

---

Difference between malloc() and calloc() function?

1186

---

Explain how can I convert a string to a number?

1076

---

Why is c not oop?

963

---

What is c value paradox explain?

1075

---

In which language linux is written?

1213

---

How can you access memory located at a certain address?

1101

---

Explain how do you declare an array that will hold more than 64kb of data?

1439

---

What is the benefit of using an enum rather than a #define constant?

1218

---

Which is not valid in C a) class aClass{public:int x;}; b) /* A comment */ c) char x=12;

1055

---

Do character constants represent numerical values?

1321

---

Write a code on reverse string and its complexity.

1017

---

What is the scope of an external variable in c?

1032

---

Write a function which takes as parameters one regular expression(only ? and * are the special characters) and a string and returns whether the string matched the regular expression.

1080

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