C Prog Structure & Union

Choose the incorrect statements.

• Array stores data of only same type

• Array can be a part of a structure

• Array of structure is allowed

• Structure stores data of the same or different type

Which of the following comments about union are false?

• Union is a structure whose members share the same storage area.

• The compiler will keep track of what type of information is currently stored.

• Only one of the members of union can assigned a value at a particular time.

• Size allocated for union is the size of its member needing the maximum storage.

Which of the following comments about the usage of structure is true?

• Storage class can be assigned to an individual member.

• Individual members can be initialized within a structure type declaration.

• The scope of a member name is confined to the particular structure, within which it is defined.

• None of the above

a-->b is syntactically correct if

• a and b are structures

• a is a structures and b is a pointer to a structure

• a is a pointer to a structure in which b is a field

• a is a pointer to a structure in which b is a field

typedef is a ............

• fundamental Data Type

• Derived data type

• User defined data type

• None of above

Which one is not user defined data type...

• Funtion

• Enumeration

• structure

• Union

Structure members can be access using object and

• • (dot) operator
• -> (arrow) operator

• + operator

• All of Above

Structure members can be access using object pointer and

• . (dot) operator

• -> (arraow) operator

• ( ) brackets operator

• None of the above

struct student

{

char name[20];

int roll;

int marks;

}s1;

How much memory will be allocated to object s1?

• 26 bits

• 20 bytes

• 6 bytes

• None of above

What is the size of a C structure?

• C structure is always 128 bytes.

• Size of C structure is the total bytes of all elements of structure.

• Size of C structure is the size of largest element.

• None of the above