Question

Which is a difference between the systems development life cycle (SDLC) and extreme programming (XP)?

a. The SDLC model has a separate planning and analysis phase, whereas XP combines both the phases into one phase.
b. The SDLC model develops an entire system at once, whereas XP uses incremental steps to improve an information system’s quality.
c. Developers following the SDLC model cannot go on to the next phase until the current phase is finished, whereas in XP, developers can move to any phase from the current phase.
d. In the SDLC model, changes cannot be made to a system once it is delivered to the user, whereas the XP method delivers the system to the users and then make changes suggested by the user.

Answer 1

the correct answer is "B"

Step-by-step explanation:

the Systems development life cycle (SDLC) is a complete development process for a new product without giving any chance for alteration or improvement, Whereas,

extreme programming (XP) uses a software programme that is coded to allow for alteration. the product is continously modify until its meet customers satisfaction.

SDLC is seen as and archaic method of product development while XP is a new technology used by most company.

therefore, the SDLC models develops an entire system at once, where as XP uses incremental steps to improves an information system quality.