Qualcomm面经

发信人: iloveada (Love ADA), 信区: JobHunting
标  题: Qualcomm面经
关键字: 面经，高通
发信站: BBS 未名空间站 (Sat Jun 29 12:32:46 2013, 美东)

个人背景是fresh cs PhD。面试挺顺利，感觉都不错，主要围绕简历上的项目讨论。但
不幸被拒。Hiring manager说 definitely impressed with your interview，但只有
一个职位。说是把我推荐给其他组了。 这个是客气话不？ 这种还有戏么？Recruiter
电话里也说过我被推荐给其他组了，但是都快一个月了，也没消息。Recruiter也从不
回email。是不是还没有其他组表示感兴趣？  Anyway, move on了。

1. Read code to say which c routine function it is. Interviewer want to see
how you understand a program.
00009 void *
00010 f1(register const void *p1, register const void *p2,
00011         register size_t n1, register size_t n2,
00012         int (*f2)(const void *, const void *))
00013 {
00014         register const void *p3;
00015         register int  n3;
00016
00017         while (n1 > 0) {
00018                 p3 = (char *)p2 + n2 * (n1 >> 1);
00019                 if ((n3 = (*f2)(p1, p3)) == 0)
00020                         return (void *)p3;
00021                 if (n3 >= 0) {
00022                         p2  = (char *)p3 + n2;
00023                         n1 = (n1 - 1) >> 1;
00024                 } else
00025                         n1 >>= 1;
00026         }
00027         return (void *)NULL;
00028 }

2. Design pattern used in your project.
3. Data structure used in your project?
4. Find the number of leading zero for a 64 bit long, given a function to
find the position of first set bit in a 32 bit integer.
4. Design a library routine to set a bit in a byte array.
5. Hex, Oct and binary of an integer.
6. What is register? Why register?
7. What is sizeof? Why sizeof?
8. x*7 without a multiplier in at least two ways.
9. What is provided by operating system?
9. Static keyword in c c++.
10. What is the difference between tcp and udp ? What is the same?
11. What is icmp? How to implement ping?



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