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Inventory Control System
                 Inventory Control System maintains and helps to manage and upkeep the track of stock levels in the
                 store, records the supply and purchase of goods and items, which are issued, returned, purchased or used.

                 In schools, it is especially useful in keeping track of stationery, sports goods, lab chemical equipments
                 and other items.

                 Billing System
                 When we visit a shop for buying something, the billing software records and prints the memo of the
                 transaction we make.

                 The person at the counter has to just enter the name of the product with its quantity, and the billing
                 is automatically done. If there is a gadget like bar code reader then the operator at the counter has to
                 just scan the bar code which lies in the packing and enter the quantity of the product and the billing is
                 automatically done.

                 Customised Package
                 Software which is  designed especially for a specific purpose to fulfil, the requirement of a particular
                 individual or an organisation is called a ‘Customised Software’.  It is also called a ‘Tailor Made software’.
                 For example: Inventory Management System, Fee collection system, etc. It is developed according to the
                 personal need of a user.

                            Notes

                           Mobile Application
                           Mobile Application is commonly known as Mobile App. It was introduced by Apple for its mobile
                           phones. Mobile application is specifically meant for use on handheld wireless computing devices
                           such as smartphones and tablets. Mobile App is OS specific, i.e., Android, Apple, etc. It will work
                           only with particular mobile for which it has been developed.
                           As per the areas of usage, mobile application can be broadly classified as:

                             Art and Design   Auto and Vehicle   Beauty           Books      and  Business
                                                                                  References

                             Comics          Communication     Dating             Education       Entertainment

                             Events          Family            Food and Drink     Games           Google Cast
                             Health     and  House and Home  Libraries      and   Lifestyle       Maps        and
                             Fitness                           Demo                               Navigation

                             Medical         Music and Audio   News         and   Parenting       Personalisation
                                                               Magazines

                             Photography     Productivity      Shopping           Social          Sports

                             Tools           Travel and Local   Video Players and  Wear OS        Weather
                                                               Editors

                           (Above categories have been taken from Android Play Store.)









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