德尔福软件类笔试题和面试题答案目
德尔福是全球领先的乘用车、商用车及其它细分市场的电子与技术供应商，在全球32个国家设有技术中心、生产基地和客户服务中心。德尔福致力于为现实世界进行创新，使产品更智能、更安全、更强大、更高效。
下面来分享下德尔福每年招聘所考的笔试题目：
1.How do you code an infinite loop in C?
2. Volatile：
a) What does the keyword volatile mean? Give an example
b) Can a parameter be both const and volatile? Give an example
c) Can a pointer be volatile? Give an example
3. What are the values of a, b, and c after the following instructions:
int a=5, b=7, c;
c = a+++b;
4, What do the following declarations mean?
a) const int a;
b) int const a;
c) const int *a;
d) int * const a;
e) int const * a const;
5. Which of the following statements describe the use of the keyword static?
a) Within the body of a function: A static variable maintains its value between function revocations
b) Within a module: A static variable is accessible by all functions within that module
c) Within a module: A static function can only be called by other functions within that module
6. Embedded systems always require the user to manipulate bits in registers or variables. Given an integer variable a, write two code fragments.
The first should set bit 5 of a. The second shnuld clear bit 5 of a. In both cases, the remaining bits should be unmodified.
7. What does the following function return?
char foo(void)
{
unsigned int a = 6;
iht b = -20;
char c;
(a+b > 6) ? (c=1): (c=0);
return c;
}
8. What values are printed when the following C program is executed?
int i = 8;
void main(void)
(
9. What will be the output of the following C code?
main()
{
int k, num= 30;
k =(num > 5 ? (num <=10 ? 100:200): 500);
printf("%d", k);
}
10. What will the following C code do?
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 exPssion!((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 P-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
更多热门的笔试题目推荐参考：
金光纸业笔试题目
微创编辑智力笔试题
华为软件测试笔试题
中国平安集团笔试题目
