A biased person considers all sides of an issue.

You might not get all the needed information if you read a biased source.

A video telling you to vote for someone is an example of unbiased source

Prejudice indicates the preference that something is better than another.

Bias is when someone has a one-sided opinion about something.

Prejudice is a preconceived opinion of another person based on reason or experience.

Judging a person’s character through his/her physical appearance is a form of prejudice.

When a person has a neutral viewpoint, s/he is unbiased.

If you are biased toward something, you are in favor of it.