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In a p system each part (RAM, ROM, I/O) has a unique set of numbers. The allocation of these numbers is usually stated in the form of a memory map. This is a plot of data bus against address.
E.g. Calculate the height and width of the memory map for a 68Hc11 p.
Since address = A0 -> A15 data = D7 -> D0 The maximum address is given by: - 216 -1 = 65535 bytes @ 64Kbytes (K = 1024). We can draw this in the form of a memory map difficult i.e. data width horizontal and address vertically as shown below: -
What is Demand paging? Virtual memory is commonly executed by demand paging. In demand paging, the pager brings only those essential pages into memory instead of swapping in a
The term ‘page traffic’ explains Page traffic’ explains the movement of pages in and out of memory.
Explain the ThreadSwitch function used in the netware Since NetWare 3 and 4 are nonpreemptive environments, it may be necessary for the application developer to explicitly reli
simulate hole allocating ahogrithm
Several schemes available are as follows: Pipes : One-way communication process through which different process can interact. The problem is that the two processes could have
a) The barber shop has one barber, one barber chair, and n chairs for waiting customers, to sit on. If there are no customers present, the barber sits down in the barber chair and
List the task regions in the Spiral model. Customer communication - In this region it is suggested to set up customer communication. Planning - All planning activities
Hierarchical paging Single way is to use a two-level paging algorithm, in which the page table itself is also paged. A logical address is separated into a page number and a pag
distinguish between dynamic and fixed partitioning
Q. How does DMA raise system concurrency? How does it make difficult hardware design? Answer: DMA increases system concurrency by allowing the CPU to perform tasks while the
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