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What does Level0 DFD represent?
Level0 DFD is known as 'fundamental system model' or 'context model'. In the context model the entire software system is shown by a single bubble with input and output shown by incoming and outgoing arrows.
Write short note on the various estimation techniques. Algorithmic cost modelling - the cost estimation is depend on the size of the software. Expert judgement - The experts fr
Sanity testing is performed whenever cursory testing is sufficient to show the application is functioning according to specifications. This level of testing is a subset of regressi
Objectives of Data dictionaries:- 1) A standard definition of all terms in a system, that is every item of data is uniquely identified and described. 2) Easy cross-referen
Test Case A test case is a unit level document describing the inputs, steps of implementation and the expected result of each test condition for each requirement from the BRD.
Write definition of state transition diagram? State transition diagram is mainly a collection of states and events. Due to the events the system has to change its state. It als
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
What are the profits of vertical partitioning? i. These are very easy to maintain changes. ii. They decreased the change impact and error propagation.
explain about transaction and transform mapping
Draw an E-R diagram for the following situation: an account is a relationtion between cutosmer and bank. A customer had a name.
List the process maturity levels in SEIs CMM. Level 1: Initial - Few processes are explained and individual efforts are taken. Level 2:Repeatable - To track cost schedule an
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