In this paper, we try to meet this gap by identifying features that digital libraries should provide. Nonetheless, we are not aware of a complete list of requirements that could be met to develop high quality digital libraries in the mobile context.

Thus, several quality attributes have been indicated by both industry and academy for designing useful and usable digital libraries. To obtain such information, the concept of needs elicitation in software engineering is presented in Figure 1.ĭue to the COVID-19 pandemic there has been a significant growth in the adoption of online educational resources, including mobile digital libraries. Data Flow Diagrams (DFD) (d) System user (e) Main needs of system and (f) Specifications of device. In general, the information required in needs analysis of making software consists of information regarding the functional and non- functional requirements of the designed software which covers: (a). The focus of software engineering is related to various theories, methods, and tools used for professional software devel- opment (systematic, disciplined, and measured toward the devel- opment, operation and maintenance of software), in order to pro- duce excellent software. This includes the use of appropriate tools and techniques based on the problem to be solved, limitations, user's needs and desires and the availability of resources. Software engineer must be able to read and adapt organized sys- tem and approach in building software. Engineering (SE) is a discipline, concept, method that focuses on all aspects related to software production.

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