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Union is used to hold different data at different time.

A. True

B. False

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. The printf() function retunes which value when an error occurs?
  2. Which of the following is not recommended in a header file?
  3. Character data types cannot be declared as unsigned.
  4. Which of the following is a valid destructor of the class name "Country"
  5. What is an array?
  6. enum helps to create user defined datatype.
  7. struct stud{int roll;char name[20];float marks;} *p;What will be the byte size of p?
  8. unsigned char has a range from 0 to ------------
  9. Nested macros are allowed.
  10. The output of the following code is:void change (char *k) {k="Hello";return; } main() { char *ch = "World";;change(ch);…
  11. What would be the output of the following program?int x=40;main(){int x=20;printf("%d",x);}
  12. What will be output if you will compile and execute the following c code?#include int main(){ char c=125;…
  13. Which of the following expressions is wrong
  14. Variables declared as register storage type gets stored in CPU registers.
  15. C programs are converted into machine language with the help of
  16. The output of the following code is: main() { int sub[50]; for(i=0; i<=48;i++) { sub[i]=i; printf("%d",…
  17. The output of the following code is:void main() {char a = 'B';switch (a) {case 'A' : printf("a"); case…
  18. The value of an enumerated datatype can be read using scanf() function.
  19. char *s[10] defines an array of ------------------------
  20. fprintf()function can be used to write into console.
  21. Every if statement can be converted into an equivalent switch statement.
  22. An array declared as A[100][100] can hold a maximum of 100 elements.
  23. In the expression - 'x + y + 3z =20'
  24. C programming language was developed by
  25. The output of the following code is: #define sqr(x= x*x) main() {int a = 10, b = 5; printf("%d, %d",…
  26. The same variable names of automatic type can be used in different functions without any conflict.
  27. The main() function can be called from any other function.
  28. The output of the following code is: int f(int a, int b); void main() {int a = 12, b=154; printf("%d",…
  29. Only one break can be used in one loop.
  30. Bitwise operators can operate upon?