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In structure chart whole application is divided into modules (set of program instructions) and modules are designed according to some principles of design. These are:
Modularity and partitioning: Every system must comprises a hierarchy of modules. Lower level modules are usually smaller in size and scope compared to higher level modules. They serve to partition processes in separate functions.
Coupling: Modules must be loosely coupled. Which means that modules must have little dependence on other modules in a system.
Cohesion: Modules must be highly cohesive. It means that modules must carry out a single processing function.
Span of control: Modules must interact with and manage functions of a limited number of lower level modules. It means that number of called modules must be limited (in a calling module).
Size of Module: Number of instructions present in a module must be limited so that module size is normally small.
Shared use of Functions: Functions must not be duplicated in separate modules may be shared. It means that functions can be written in a single module and can be invoked by any other module when required.
Consider a network message transfer among a source S and a destination D by 3 routers R1, R2 and R3 as given below:- S -------- R1 --------- R2 --------- R3 ---
Eequivalences rules: This conveys a meaning that is actually much simpler so than you would think on first inspection. Hence we can justify this, by using the following ch
Evaluate x = A ‾.B + C ( ) using the convention A = True and B = False. Ans. Simplify given expression x = A ‾ .B + C ( ) as = A ‾ B + C (A ‾ + D ‾ ) (As = A ‾ +D ‾ usin
1. Start to make the verification point. 2. In the confirmation Point Name dialog box, select Apply wait state to confirmation point. 3. Type values for the following option
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What are the various types of operations required for instructions? Data transfers among the main memory and the CPU registers Arithmetic and logic operation on data
State the advantages of CMOS. Ans. Subsequent are the advantages of CMOS: Both n-channel and p-channel devices are fabricated on similar substrate. Low power di
1) Discuss various types of persuasive communication you might be needed to write or present in your professional and personal life. 2) Describe two ways to organize a resume
Briefly explain what user controls are and what server controls are and the differences between the two. An ASP.NET control (sometimes known as a server control) is a server-
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
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