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What are the advantages of Software maintenance
Software maintenance is a very broad activity which includes error correction, deletion of obsolete capabilities, enhancement of capabilities and optimisation. Thus once the software becomes operational, whatever changes are done are called as maintenance. As software requirement change continuously, maintenance becomes a continuous process. Practically the cost of software maintenance is far more than cost of software development. It accounts for 50% to 80% of total system development costs.
Define Process Specification . Process Specification is used to clarify all flow model processes that appear at the final level of refinement. Check & Convert pressure
What qualities would you look for when hiring a test engineer? - Test to break attitude - Desire for quality and attention to details. - Tact and diplomacy when dealing w
Draw a memory map for a system with a memory capacity of 256MB. Each memory location in the system is 8 bits. Assume the system has one 4 MB memory block used as ROM residing at th
Write about drivers and stubs. Drivers and stub software require to be developed to test incompatible software. The " driver" is a program that accepts the test data and pri
Define Data Flow Diagram. A Data flow diagram is a graphical description that depicts information flow & the transforms that are applied as data move from input to output. T
ZeroJet, a new low cost airline, wants a brand new web-based system to allow people to book seats for flights on-line. They want an automated check in system which has no staff.
Consider a program for the purpose of the nature of roots of a quadratic equation. Its input is the triple of positive integers say a, b, c as well as values in the interval [0,100
DMA data transfer The position of the DMA controller between the other components in a computer system. The CPU communicates with the DMA by the address and data buses as with
Define software process. Software process is explained as the structured set of activities that are need to develop the software system.
What is meant by System Requirements? Place the system services and constraints in detail. Serves as a link between the system purchaser & the system developer.
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