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What is cycle stealing DMA operation?
Cycle Stealing: In this process, the DMA controller transfers one data word at a time, after which it must return control of the buses to the CPU. The CPU merely delays its operation for one memory cycle to permit the direct memory input/output transfer to 'Steal' one memory cycle.
Differentiate between regression testing and re-testing - Re-testing: - It means testing a single defect that was just fixed. Only one test is performed here. - The ta
Distinguish between verification and validation. Verification refers to the set of activities that make sure that software correctly executes a specific function. Validation re
The level at which the software uses scarce resources Efficiency level.
consider the following flow chart, a. Draw the flow graph and show the edges, regions and nods clearly b. show the independent paths c. calculate the cyclomatic complexity in three
Lines of code (LOC) is a software metric used to calculate the size of a software program by counting the number of lines in the text of the program's source code. LOC is typicall
What are the types of metrics? Direct metrics - It refers to right away measurable attributes. Example - Lines of code, execution speed. Indirect metrics - It refers
What is the development lifecycle? Why is it useful? Describe the activities carried out at each stage Determination of scope Requirements specification Design Coding Testing Maint
Q. Describe the Importance of function point? - This is independent of the languages tools or else methodology used for implementation. - They are able to be estimated from
State the strategies of Software testing Two testing strategies are present. i) Code Testing: Code testing strategy examines the logic of the system. In this, analyst deve
Explain Spiral model The spiral model is separated into number of frame works. These frameworks are indicated by task regions. Usually there are six task regions. In spir
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