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The success of a system relies on the approach of building it. If development approach is right then system will work successfully. Figure below portrays a System Development Life Cycle. System development life cycle (SDLC) is a standard methodology for development of Information System. It principally comprises four phases: System Analysis, System Design, System Construction & Implementation and System Support. Each phase comprises inputs, tasks and outputs. Traditional SDLC was strictly sequential. Developers first complete the previous phase then start the subsequent phase. Though now concept of Repository is introduced in SDLC and it is termed as FAST methodology where work is done across shared repository. It means that all inputs and outputs of phases should be stored in the repository. At any instance developers can backtrack to preceding phase and they may also work on two phases concurrently.
Figure: System Development Life Cycle
In what way is stored program control superior to hard wired control? The SPC gains superiority over hard wired because of following points: SP C Ha
RAW and WAW - Data hazards: RAW (read after write) - j tries to read a source before i writes it, hence j wrongly gets the old value .This is the most usual type of
What is a table cluster? A table cluster joins several logical tables in the ABAP/4 Dictionary. Various logical rows from different cluster tables are brought together in a o
In the case of Static call, the called program is a stand-alone program, it is an executable program. During run time we can call it in our called program. As about Dynamic call, t
8085 the interrupts are classified as Software and Hardware interrupts.
Information Technology or Information System Before going further we need to clarify what we mean by the term information system. It is easy to confuse terminology as many tex
state function and path function
What is Boundary Scan? Boundary scan is a board level design method that provides test access to the input and output pads of ICs on PCBs. Boundary scan changes the IO circuit
Determine the salient features of a parallel programmable interface, 8255. 24 I/O lines in 3 8-bit port groups - A, B, C A, B can be 8-bit input or output ports C
Harvard mark i and the bug The next important effort towards devising an electromechanical computer was done at the harvard University, jointly sponsored by the Department of U
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