Embedded C Programming DA-1 (Part-1) - G2

Register Number of the Student

Name of the Student

Which of the following statements about C data types is false?

• sizeof(char) is always 1.
• The size of int can vary between different platforms.
• float and double are always represented using IEEE 754 standard.
• long long int guarantees at least 64 bits on all platforms.

What is the output of the following expression? int a = 10, b = 20; printf("%d", a+++b);

• 30
• 31
• 10
• Compilation Error

What is the output of this code? int main() { int i = 5; do { i--; if(i<5) continue; printf("%d ", i); }while(i>0); }

• 5 4 3 2 1
• 4 3 2 1
• 5
• Infinite loop

What is the output of this code? int main() { int a[] = {1, 2, 3}; int *p[] = {&a[0], &a[1], &a[2]}; printf("%d ", *p[0]++); return 0; }

• 1
• 2
• 3
• Compile Error

What is the output of below code? int main() { int arr[5] = {2, 4, 6, 8, 10}; int *ptr = &arr[2]; *ptr = 20; *(ptr - 1) = 10; printf("%d", arr[1]); return 0; }

• 4
• 10
• 20
• Compiler Error

What is the output of below code? int main() { char *p = "Hi"; printf("%c", ++*p); return 0; }

• I
• J
• H
• Compile time error

What will this code print? int main() { int x=8, y; y = (x>2) ? (x>=8?3:0) : (x<5?-3:5); printf("%d", y); }

• 0
• 3
• 5
• -3

What is sizeof(int*) on 32 bit machine?

• 2 bytes
• 4 bytes
• 8 bytes
• Depends on integer size