For becoming a food technologist and computer engineer, you have to study Bachelor of Science Food Technology and bachelor of Technology Computer Science and Engineering respectively at undergraduate level.
Bachelor of Technology Computer Science and Engineering:
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https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.careers360.com/courses/computer-science-engineering-course&ved=2ahUKEwiSgPqXnNv2AhXTTWwGHTjxCaYQFnoECBAQAQ&usg=AOvVaw1kXhSulMv06ETXPQVYHX-P
Bachelor of Science Food Technology:
https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.careers360.com/courses/food-technology-course&ved=2ahUKEwiMgbiMnNv2AhXPS2wGHaHXC5AQFnoECAQQAQ&usg=AOvVaw19TszdAn79qKQUR1xZgHU4
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