An inventory control system is often a process for managing and locating things or materials. In accordance usage, the term might also refer to just the program components. Inventory Control would be the supervision of provide, storage and ease of access of items as a way to ensure an adequate supply without abnormal oversupply. It can also be referred as inner control – a accounting procedure or system made to promote efficiency or assure the implementation of the policy or guard assets or stay clear of fraud and malfunction etc. Bar codes can serve a range of business needs; using the biggest one becoming inventory control.