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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 any interface unit. The DMA has its own address, which activates the DS and RS lines. The CPU initializes the DMA by the data bus. Once the DMA receives the start control command, it can start the transfer among the peripheral device and the memory.
What are repositories used by QTP to store object properties? QTP uses two kinds of repositories to store object properties. a.) Shared object repository: A global object
Write short notes on empirical estimation models. Estimation model for computer software uses empirically derived formulas to expect effort as a function of line of codes (LOC)
desidn a complete flow chart diagram ,which ask the user to input the rate of diesel and quantity of diesel consumed.after calculate the total amount of diesel consumed and display
Advantages of incremental Model:- As product is to be delivered in parts, total cost of the project is dispersed. Limited number of persons can be put on to the projec
What is Customer (end user)? Ans) The organization or individual, internal or external to the producing organization that takes the product.
Q. What is Control coupling? Control coupling: Module A as well as B are said to be control coupled if they communicate by passing of control information. This is typically a
Level 5 KPAs 1)Defect Prevention (DP): It discovers causes of defects and devises techniques which prevent them from recurring. 2)Technology Change Management (TCM): It
Explain Process? The work effort that makes a product. This contains efforts of people and equipment guided by policies, standards, and procedures.
Explain in detail the design concepts Abstraction Data abstraction Functional abstraction •Control abstraction Information hiding •Every module in the s
Regression testing:- It is the re-execution of some subset of tests that have already been conducted to make sure the changes that have not been propagated unintended side e
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