软件类英文笔试题
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 divide 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 divide a number by 4 in assembly language
19.what value is stored in m in the following assembly language code fragment if n=7?
LDAA #n
LABEL1: CMPA #5
BHI L3
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