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Implementing Protection with Virtual Memory - computer architecture:
To enable the operating system to implement protection in the VM system, the HW have to:
I. Support at least 2 modes that denoted whether the running process is a user process (executive process) or an operating system process (kernel/supervisor process).
II. Provide a part ion of the CPU state that a user process may read but not write (includes supervisor mode bit).
o Only operating system process may change page tables. Page tables are held in operating system address space thereby preventing a user procedure from changing them.
o When processes desire to share information in a restricted way, the OS have to assist them.
o The write access bit (in both the TLB and the page table) can be used to limit the sharing to only read sharing.
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Give the example of Spreadsheet By selecting cell C1 and dragging the formula down to C5 the below formulae will be replicated in C2 to C5: (A2*B2), (A3*B3), (A4*B4) and (A5*B5
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The search-based tools initially recognize problem and afterwards suitably give advice on how to correct it. AT Expert from Cray Research is one of the tools being employed for
advantages of sdr
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What are the two primary models of Supply Chain Management? The Two Primary models of Supply Chain Management are:- 1. Porter's Value Chain Model 2. Supply Chain Model
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