How to prepare for PhD entrance exam in Computer Science?

To prepare for a PhD entrance exam in Computer Science, one should know what exams you’re targeting (UGC NET, CSIR NET, GATE CS). One should also deeply research and understand the syllabus to prepare thoroughly. Standard books like Artificial Intelligence and Machine Learning, Natural Networks and Fuzzy Logic, The Internet of Things in the Cloud will help you prepare better. Try solving Mock Tests and PYQs to be aware of your understanding of the concept.