Answer Posted / aruna.r

#include<stdio.h>
#include<conio.h>
void main()
{
char a[4];
int i;
clrscr();
printf("enter the charactor");
for(i=0;i<4;i++)
{
scanf("%c",&a[i]);
}
getch();
}

Explain the use of function toupper() with and example code?

657

---

How can I avoid the abort, retry, fail messages?

665

---

Is c call by value?

611

---

What is auto keyword in c?

792

---

What is keyword in c?

606

---

---

What is meant by operator precedence?

680

---

What does the format %10.2 mean when included in a printf statement?

1093

---

what do the 'c' and 'v' in argc and argv stand for?

648

---

Explain the use of #pragma exit?

701

---

What is conio h in c?

629

---

How many bytes are occupied by near, far and huge pointers (dos)?

678

---

Are there any problems with performing mathematical operations on different variable types?

577

---

What is use of bit field?

776

---

Explain the bubble sort algorithm.

650

---

Explain spaghetti programming?

684

---