Which of the following statements regarding C structures are CORRECT?
Correct choices: Structure assignment (s1 = s2) performs a member-wise bitwise copy., Structures can be passed to functions by value and by reference.. Incorrect options violate standard C syntax or semantics for structures/unions.
Which of the following properties are TRUE for a C 'union'?
Correct choices: All members share the same base memory address., The size of a union is equal to the size of its largest member plus any alignment padding., Only one member should be meaningfully accessed at any given time.. Incorrect options violate standard C syntax or semantics for structures/unions.
Which of the following operations are LEGAL on structure variables in C?
Correct choices: Taking the address of a structure variable using '&', Determining size using 'sizeof', Assigning one structure variable to another of identical type using '='. Incorrect options violate standard C syntax or semantics for structures/unions.
Which of the following statements about bit-fields in C structures are CORRECT?
Correct choices: Bit-fields allow specifying member size in terms of explicit bit count., The address-of operator (&) CANNOT be applied to a bit-field member., Bit-fields must have integer or boolean integral types.. Incorrect options violate standard C syntax or semantics for structures/unions.
Which of the following declarations are VALID in standard C?
Correct choices: struct Node { int data; struct Node *next; };, typedef struct Node Node;, union Data { int i; char c; };. Incorrect options violate standard C syntax or semantics for structures/unions.