Filling DS-160 for hib visa type

[bharatpanda]

Hi,

I am filling DS-160 for h1b visa type. I have few queries please help me .

1.Under present work/education/training section
what should I answer for primary occupation , i am a computer science engineer(software engineer) and i find both the options available computer science as well as engineering.should i choose computer science or engineering?

2.Under previous work/education/training section
should i give details about my primary and secondary (10th,12th) both educations or only 10th and 12 th ?

Thanks,
Bharath