Updated: 11/13/2018 by Computer Hope

COB may refer to any of the following:

cob definition

1. Short for chip on board, COB is a system where semiconductor dice are mounted directly on a PC board and connected with either bonded wires or solder bumps.

2. Abbreviation for close of business, COB is used often used to describe a deadline or time. For example, a co-worker may send you an e-mail saying they need to have work done by COB.

Business terms, Computer acronyms, EOD