更新时间:2018-11-22 16:16作者:王新老师
int *ptr;
ptr =(int *)Ox67a9;
ptr = Oxaa55;
11. What will be the output of the follow C code?
define product(x) (x*x)
main()
{
int i = 3, j, k;
j = product(i++);
k = product(++i);
printf("%d %d",j,k);
}
12. Simplify the following Boolean expression!((i ==12) || (j > 15))
13. How many flip-flop circuits are needed to spanide by 16?
14. Provides 3 properties that make an OS, a RTOS?
15. What is pre-emption?
16. Assume the BC register value is 8538H, and the DE register value is 62A5H.Find the value of register BC after the following assembly operations:
MOV A,C
SUB E
MOV C,A
MOV A,B
SBB D
MOV B,A
17.In the Assembly code shown below
LOOP: MVI C,78H
DCR C
JNZ LOOP
HLT
How many times is the DCR C Operation executed?
18.Describe the most efficient way(in term of execution time and code size) to spanide a number by 4 in assembly language
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