Part of the Electronics glossary: A semiconductor is a substance, usually a solid chemical element or compound, that can conduct electricity under some conditions but not others, making it a good medium for the control of electrical current.art of the Electronics glossary: A semiconductor is a substance, usually a solid chemical element or compound, that can conduct electricity under some conditions but not others, making it a good medium for the control of electrical current.
To work in the criminal justice field, you can earn either a Bachelor of Arts of a Bachelor of Science. Youâll need a total of 120 to 128 credits to get a Bachelor degree, which can usually be earned in about four years. Some people start with their Associate degree and then decide to earn a Bachelor degree later on.
A bachelorâs degree in a criminal justice or related area of study is usually required in order to start a career with a federal law enforcement agency. A high school diploma may be all that is required in order to obtain an entry-level policing job in smaller venues.