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When a page fault occurs, the process requesting the page must block while waiting for the page to be brought from disk into physical memory. Assume there exists a process with five user-level threads where the mapping of user threads to kernel threads is many:one. If one user thread incurs a page fault while accessing its stack, would the other user threads belonging to the same process also be affected by the page fault (i.e., would they also have to wait for the faulting page to be brought into memory?) Explain.
Consider a system that uses pure demand paging:
a. When a process first start execution, how would you characterize the page fault rate?
b. Once the working set for a process is loaded into memory, how would you characterize the page fault rate?
c. Assume a process changes its locality and the size of the new working set is too large to be stored into available free memory. What are some options system designers could choose from to handle this situation?
In an age of virtual worlds where people are spending inordinate amounts. Are we voluntarily gravitating to this world and giving up our real world experiences for virtual ones?
Determine a smallest-last vertex ordering and plot degree when deleted diagram for given random geometric graphs.
Are there any tools which someone can utilize safely, other than key recovery, to avoid losing his or her passphrase?
Create a report by city and another by product, including details of the sales and sub-totals and totals for quantity.
Write a program to randomly select the numbers of 3 finalist to recieve a prize. Make sure not to pick the same number twice.
Do managers have a responsibility to maintain an ethical standard within a department? If so, how is the expected ethical standard established? How is it documented? How is compliance measured?
Draw the block diagram for the hardware that implements the following: y + xz: AR ß BR + CR where AR, BR and CR are n-bit registers and x, y, and z are control variables.
Write at least three benefits and three negative effects brought about by workplace automation. Multinational corporation transfers a foreign employee to the United States on an L-1 visa.
Find out by means of truth table validity of DeMorgan's theorem for three variables: (ABC)' = A' + B' + C'. Simplify given expressions by using Boolean algebra.
What about if you upgrade to memory that can be read or written to in 1nsec? Comment briefly on the effects of compaction on normal processing.
A sequential circuit has two D flip-flops A and B, two inputs x and y, and one output z. The flip-flop equations and circuit. Draw the logic diagram of the circuit.
Descriibe in scholarly detail relationship of strategic, tactical, and operational plans,
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