Q. 26 Consider the C struct defines below:
struct data {
int marks [100] ;
char grade;
int cnumber;
};
struct data student;
The base address of student is available in register R1. The field student.grade can be accessed efficiently using
(A) Post-increment addressing mode. (R1)+
(B) Pre-decrement addressing mode, -(R1)
(C) Register direct addressing mode, R1
(D) Index addressing mode, X(R1), where X is an offset represented in 2’s complement 16-bit representation.
Answer: (D)
Explanation:
