求助一些英语面试的答案，sonic公司质量测试职位
面试的职位是Sonic软件的QA 工程师，找了一些面试问题，求英文答案。第一部分的题目大概有：
1. What‘s the difference between each windows OS?
2. How to re-image a computer?
3. What is regedit, how to use it?
4. How to install software while there is no installer?
5. Write down the system file formats of windows.
6. What is Direct X, what does it use for?
7. What is DMA?
8. Do you familiar with PC and Mac platform, and write down the difference?
9. What is firmware?
第二部分的题目大概有：
1. What’s the difference between NTSC and PAL?
2. What is encode, decode, and transcode?
3. What’s the difference between Blue-Ray and HD DVD?
4. Write down the video format as many as you know?
5. How does de-interlace come?
6. How many tracks there in Dolby 5.1?
7. How many multimedia encoders do you know, write them down?
第三部分的题目大概有：
1. What should be included in a bug report?
2. What to do after you find a bug?
3. Write down the milestone in each process of software life cycle?
4. How to regress a bug?
5. What is the test strategy? 请有道出山吧！ 这个难度还真的挺大的呢，感觉硬件类的知识比较多 第二部分包含了很多音视频的问题，LZ这题目看不懂的话，建议你还是不要考虑这份job了。
因为这份工作可能对于你来说，要求掌握的东西更广泛。或许你就算过了面试，真正的job中遇到的问题也没法解决 大致看了下第二部分，
1. What’s the difference between NTSC and PAL?
N制和P制有什么区别
2. What is encode, decode, and transcode?
大致上是说编码 解码 和转码这个不甚理解
3. What’s the difference between Blue-Ray and HD DVD?
蓝光和HD 两种DVD的区别
4. Write down the video format as many as you know?
你知道有多少种食品格式
5. How does de-interlace come?
隔行（扫描）出处是哪里
6. How many tracks there in Dolby 5.1?
杜比5.1包含多少个音轨
7. How many multimedia encoders do you know, write them down?
你知道多少种解码器（大致）
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