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Q. Explain functions of direct memory access?
Though CPU intervention in DMA is minimised however it should use path between interfaces that is system bus. So DMA involves an extra interface on system bus. A scheme known as cycle stealing permits DMA interface to transfer one data word at a time, after that it should return control of bus to processor. Processor merely delays its operation for one memory cycle to permit directly memory I/O transfer to 'steal' one memory cycle. When an I/O is requested processor issues a command to DMA interface by transmitting to DMA interface the subsequent information (Figure below):
Figure: DMA block diagram
Problem: A company requires a software application to calculate the weekly payment for its employees. The information about the employees (employees' data) is kept in a file.
What are the advantages of CCS over in-channel signalling? The advantages of CCS over in-channel signalling are given below: a. Information can be exchange among the process
Initial thought process: Design a script which was simple and user friendly. Integrate procedures/functions to extract data under the hood. I focused on giving the user the o
duality
Explain about unix file system architecture
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Of the two "next screen "attributes the attributes that has more priority is?? Dynamic.
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Q. Application and factors related to Scanners? When you purchase a scanner there are various factors which can be looked at: Compatibility of Scanner with your Computer, The T
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