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explain the merits and demerits of penetration techniquesthe merits and demerits of the penetration techniques are as follows it is an
q what are the debugging programsdebugging programs-a program which runs simultaneously with the program under test and provides commands to examine
define random scanraster scan displaysans random scan is a process in which the display is made by the electronic beam which is directed only to the
q how print statements used in software testingprint statements-the standard print statement in the language being utilized is sprinkled throughout
what does refreshing of the screen meansome method is required for maintaining the picture on the screen refreshing of screen is completed by keeping
what is meant by scan codewhen a key is pressed on the keyboard the keyboard controller places a code bear to the key pressed into a part of the
what is computer graphics computer graphics remains most existing and rapidly growing computer fields computer graphics may be explained as a
q explain the traces debugging methodtraces-printout contains merely certain memory and register contents and printing is conditional on some event
can you list at least three important applications of computer graphics there are lots of interesting applications of computer graphics three common
can you tell which main components hardware and software are needed for computer graphicsbesides the computer some special devices and software may
q explain about core dumps debugging techniquedebugging is the activity of locating as well as correcting errorscore dumps-a printout of all
can you give some basic features of computer graphicsthe methods of computer graphics are the manipulation and creation of graphics artificial images
q show the advantages of re-engineering1 reduced risk - there is a elevated risk in new software development there possibly staffing problems
q when we need re-engineer when the system changes are mainly confined to part of the system then re-engineer that part when hardware or else
q what is re-engineeringre-engineering- it is re-organizing as well as modifying existing system to make them more maintainable it involves source
q what do you mean by reverse engineeringreverse engineering-it is a process of analyzing software with a outlook to understanding its design and
q what is equivalence partitioningequivalence partitioning-equivalence partitioning is black box testing method that divides the input domain of a
q define the equivalence classequivalence class-it represents a set of valid or else invalid states for input conditions an input condition is a
q what do you understand by black box testingblack box testing-black box testing is as well called behavioural testing focuses on the functional
q differentiate between failures and faultsans failure-failure is the disappearance of external results of program operation from requirements
q how abstraction used in stepwise refinementabstraction- abstraction permits one to concentrate on a problem at some level of generalization without
q illustrate partitioning in stepwise refinementproblems are frequently too large and complex to be understood as a whole therefore we tend to
q what is stepwise refinementstepwise refinement-stepwise refinement is a top-down design strategy initially proposed by niklaus wirth a program is
q differentiate between function oriented design and object oriented designans function oriented design- function oriented design strategy relies on
q what is detailed cocomo model the detailed cocomo model is able to estimate the staffing cost and duration of each of the subsystem development