Explain the properties of union. What is the size of a union variable

1189

Describe the order of precedence with regards to operators in C.

1047

What is pass by reference in functions?

848

What is the difference between typedef and #define?

1064

What is meant by preprocessor in c?

1016

a program that performs some preliminary processing in C, it acts upon certain directives that will affect how the compiler does its work a) compiler b) loader c) directive d) preprocessor

1096

Differentiate between Macro and ordinary definition.

1383

What does %d do?

1279

any limit on the number of functions that might be present in a C program a) max 35 functions b) max 50 functions c) no limit d) none of the above

1051

Suppose we have a table name EMP as below. We want to perform a operation in which, I want to change name ‘SMITH’ from as ‘SMITH JAIN’. Also I want to change the name of the column from ENAME to E_NAME. EMPNO ENAME JOB MGR HIREDATE SAL 7369 SMITH Coder 7902 17-DEC-80 800 7499 ALLEN SALESMAN 7698 20-FEB-81 1600 7521 WARD SALESMAN 7698 22-FEB-81 1250

1966

How is a null pointer different from a dangling pointer?

1030

What is function prototype in c language?

1034

What are pointers? What are stacks and queues?

1154

What does == mean in texting?

1301

Differentiate between ordinary variable and pointer in c.

1185