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imagine that there are 1100 items of which 100 are big and 1000 are little a basket is formed by adding each big item
using the assumptions of exercise 2224 suppose we run a three-pass multistage algorithm on the dataset assuming that on
suppose baskets are in a file that is distributed over many processors show how you would use the map-reduce framework
suppose data is in a file that is distributed over many processors show how you would use the map-reduce framework of
in example 2311 we observed that if all we wanted was the maximum of n temperature readings in a sliding window of
the saturation flow rate for an intersection approach is 3600 vehh at the beginning of a cycle effective red no
we can modify the algorithm of section 2352 to use buckets whose sizes are powers of 2 but there are between p and p 1
suppose that we have a stream of integers in the range 0 to 1023 how can you adapt the method of section 2352 to
suppose that x and y are independent uniform random variables on 0 1a find the density function of x y b find the
consider the following snapshot of a system there are no outstanding unsatisfied requests for resourcesa compute what
1 give examples of reusable and consumable resources2 what are the three conditions that must be present for deadlock
consider the following ways of handling deadlock1 bankers algorithm2 detect deadlock and kill thread releasing all
a three processes share four resource units that can be reserved and released only one at a time each process needs a
1 in a fixed-partitioning scheme what are the advantages of using unequal-size partitions2 what is the difference
to implement the various placement algorithms discussed for dynamic partitioning section 72 a list of the free blocks
another placement algorithm for dynamic partitioning is referred to as worst-fit in this case the largest free block of
consider a buddy system in which a particular block under the current allocation has an address of 011011110000a if the
the fibonacci sequence is defined as followsa could this sequence be used to establish a buddy systemb what would be
during the course of execution of a program the processor will increment the contents of the instruction register
consider a simple paging system with the following parameters 232 bytes of physical memory page size of 210 bytes 216
a virtual address a in a paging system is equivalent to a pair p w in which p is a page number and w is a byte number
1 what is the difference between simple paging and virtual memory paging2 explain thrashing3 why is the principle of
1 what is the purpose of a translation lookaside buffer2 briefly define the alternative page fetch policies3 what is
1 what is an embedded system2 what are some typical requirements or constraints on embedded systems3 what is an
least laxity first llf is a real-time scheduling algorithm for periodic tasks slack time or laxity is the amount of