Fifth generation computers are based onSelect one:a.Artificial Intelligenceb.Programming Intelligencec.System Knowledged.Vacuum Tube

To address the question regarding the foundation of fifth generation computers, we need to analyze the options presented.

Analysis of Options

1. a. Artificial Intelligence - Fifth generation computers are indeed based on the principles and applications of artificial intelligence (AI). This generation aims to create machines that can think and learn like humans.

2. b. Programming Intelligence - This term does not specifically pertain to the foundation of fifth generation computers, which focus more on AI.

3. c. System Knowledge - While knowledge systems can be related to AI, this term is too broad and doesn't specifically identify the core aspect of fifth generation computers.

4. d. Vacuum Tube - Vacuum tubes were a fundamental component of first generation computers, not fifth.

Conclusion

The most accurate answer is:

• a. Artificial Intelligence

Fifth generation computers are intrinsically linked to advancements in AI, aiming to enhance machine learning and cognitive functions.