· Data duplication can be occurred by repeating the same thing over and over.
· Lack of security
· Lack of storage common errors.
· Too much paper wastage.Paper takes up a massive amount of room in the site. If a computer system was bought the paper could all go and there would lots more free space which could be used for other purposes.
· Poor Data Storage - All the data is stored in filing cabinets. Data could be misplaced due to human error. Data could be stolen very easily.
· Unavailability of Information
· Slow Retrieval of Data - The information is stored in different parts and takes a long time to retrieve the data.
· In a manual library system if you are not able to find a book of your choice have to spend a lot of time and effort in trying to find a particular book.
· Manual systems are also slow to operate. Instead of using a computer to issue and take back books, locating and updating a card index is slow and laborious
· With manual systems staff spends a lot of their time on mechanical, clerical tasks rather than liaising with library visitors.
· Librarians find it difficult to offer a wider range of new services with a manual library system. For example, a library can put its catalog on the Web allowing readers to access it remotely; with a manual system members have to visit or telephone the library to find this information.
· Not more than one person can access data at the same time but in Computerized Information system many people can access the same data on the same time through networking.
· Time consuming
· It results in need of lot of space to keep the data.
· Possibility of data duplication as there's no repetition check like in computer software's e.g. Microsoft Access.
· Often the books are lost and the librarian is not aware of this.
· No proper records for the workers, members and books transaction.
· If manual record book is lost data will be completely lost.
·