C Online Exam-Quiz1 1. Which of the following shows the correct hierarchy of arithmetic operations in C * / + – / + * – * – / + + – / * 2. Which one of the following sentences is true ? The body of a do … while loop is executed at least once. The body of a do … while loop is executed zero or more times. The body of a while loop is executed at least once. A for loop can never be used in place of a while loop. 3. C programs are converted into machine language with the help of An Editor wordpad A compiler An operating system 4. What is constant? Constants have fixed values that do not change during the execution of a program Constants have unknown values that may be change during the execution of a program None of the above Constants have fixed values that change during the execution of a program 5. Who is father of C Language? James A. Gosling Dennis Ritchie Dr. E.F. Codd Bjarne Stroustrup 6. The statement print f (“%d”, 10 ? 0 ? 5 : 1 : 12); will print? 100 20 1 12 7. What is C Tokens? C. The largest individual units of program B. The basic element recognized by the compiler D. A & B Both A. The smallest individual units of c program 8. In switch statement, each case instance value must be _______? Variable Special Symbol None of the above Constant 9. Bitwise operators can operate upon? double and chars floats and doubles ints and floats ints and chars 10. Which is the right way to declare constant in C? A. int constant var =10; B. int const var = 10; D. B & C Both C. const int var = 10; 11. What is Keywords? None of the above Keywords have some unknown meanings and these meanings cannot be changed. Keywords have some predefine meanings and these meanings cannot be changed. A. Keywords have some predefine meanings and these meanings can be changed. 12. A C variable cannot start with c.An alphabet a.A number b.A special symbol other than underscore both (a) and (b) 13. Recursive functions are executed in a? First In First Out Order. Parallel Fashion Last In First Out Order Load Balancing 14. What is right way to Initialization array? int n{6} = { 2, 4, 12 } ; int n{} = { 2, 4, 12, 5, 45, 5 } ; int num[6] = { 12, 4, 12, 5, 5, 5 } ; int n(6) = { 2, 4, 12, 5, 45, 5 } ; 15. Which operators are known as Ternary Operator? ?, ;; ?, : None of the above ::, ? 16. What is the work of break keyword? Restart execution of program None of the above Halt execution of program Exit from loop or switch statement 17. What is an array? An array is not a collection of variables that are of the same data type. None of the above. An array is a collection of variables that are of the same data type. An array is a collection of variables that are of the dissimilar data type. 18. C Language developed at _____? AT & T’s Bell Laboratories of USA in 1960 Sun Microsystems Cambridge University in 2000 AT & T’s Bell Laboratories of USA in 1972 19. The _______ memory allocation function modifies the previous allocated space. realloc free calloc malloc 20. An array elements are always stored in _________ memory locations. Sequential and Random Sequential None of the above Random Loading … Question 1 of 20
