Developers in the phase of the systems development life cycle use management's statement of the system needs in order to begin developing a new information system.

System definition

Explanation:

The system definition contains all the information of the system and its management aspect which is crucial for the development of a new system. We can actually know how much resources and memory is free for new systems to be developed from the system definition.

answer; i believe its compare (b3: b4) ;

answer: internal fragmentation is the difference between the (fixed) size of a memory hole and the data within in that memory. for example, if a 1,024 byte block of memory holds 800 bytes of data, then the 224 bytes difference is considered lost to internal fragmentation.

external fragmentation occurs when the sum of memory fragments is large enough to satisfy a request, but the holes are non-contiguous and the request cannot be satisfied. this can occur when memory is dynamically allocated and freed.

explanation: