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Which of the following is invalid?

A. ''

B. " "

C. 'a'

D. abc'

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

You can do it
  1. The output of the following code is: main() {int a = 0; for (; i = 0; i++) printf("%d", a); }
  2. Only one break can be used in one loop.
  3. Union is used to hold different data at different time.
  4. Which of the following is allowed in a C Arithmetic instruction
  5. Structures within structures cannot be created.
  6. The value of an enumerated datatype can be read using scanf() function.
  7. gets() and puts() are unformatted I/O functions.
  8. The output of the following code is: main() { int k, num = 30; k = (num > 5 ? (num <= 10 ? 100…
  9. /* The C language./* is a procedural language .*/*/The above statement is valid.
  10. The default initial value of automatic storage class is 0.
  11. Which of the following is not a standard exception built in C++.
  12. Which among the following is a unconditional control structure
  13. Bitwise operators can operate upon?
  14. Identify the wrong statement
  15. What will be output if you will compile and execute the following c code? #include int main(){ int i=320;…
  16. The identifier argv[] is a pointer to an array of strings.
  17. Every if statement can be converted into an equivalent switch statement.
  18. = and = = have the same operation.
  19. What will be output if you will compile and execute the following c code?#include int main(){ float…
  20. The expression "int i = j = k = 0;" is invalid.
  21. Which of the following shows the correct hierarchy of arithmetic operations in C
  22. What is right way to Initialization array?
  23. A declaration float a, b; occupies ___ of memory
  24. Which of the following is not recommended in a header file?
  25. The-------------------- statement helps immediate exit from any part of the loop
  26. The output of the following code is: void main(){ int a = 20;printf("%d\t%d", ++a, a);}
  27. The expression 'int j = 6 + 3 % -9;' evaluates to -1.
  28. unsigned' is a valid variable name.
  29. struct stud{int roll;char name[20];float marks;} *p;What will be the byte size of p?
  30. The output of the following code is: void main(){int z, a = 5, b = 3; z = a * 2 + 26 % 3;printf("%d",…