Is a PhD in Computer Science hard?

Yes, pursuing a PhD is hard but depending on your interest, and expectations, it can become enduring. One needs to be committed for 3-6 years to complete the degree. There is a depth of knowledge that an individual realizes when they are cooped up the research work. This can be overwhelming. But your passion to pursue a PhD in Computer Science can help decrease your burden. With the right support and guidance, success is guaranteed. It is not impossible.