Answer:
A- Confirmation Bias
Step-by-step explanation:
Confirmation bias is the ability to prefer a certain idea to others based on one own belief.
The Director of Information Systems was bias because he feels very positive about the choice that was made by ignoring some of the limitations of the chosen system and unconsciously downplays the importance of the positive features of the rejected systems based on his own personal belief that his first choice of computer server system is much better than the second by been bias which may lead to error in choosing the right one.