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Given a cache access time of 20ns, a main memory access time of 1000ns, and a cache hit ratio of 90 percent. Assuming fetches to main memory are started in parallel with look-ups in cache, calculate in ns the effective (average) access time of this system. (There is no virtual memory on this system - no page table, no TLB)
EAT= ?
Using exactly one semaphore, create an algorithm which prevents deadlock. Do not be concerned about starvation and inefficiency.
While working with the System Administration group, they tell you that a huge part of the administrator's duties focus on troubleshooting troubles within the network.
Analysis and implementation of algorithms for memory allocation in operating system, Explain First- t and best- t methods are used in memory allocation in operating systems.
The systems reviewer are constructing the test plans for the user interface for the Holloway Travel Vehicles system.
What is the overall Big-O of this algorithm?
While working with a 2.5 GHz pipelined MIPS processor which has a L2 cache unit miss penalty of 10 ns and a memory miss penalty of 50 ns, determine the Effective CPI for a program with a 0.4% instruction miss rate, 11.4% data miss rate, a L2 miss rat..
Explain the network security methodology and technology used in your organization and recognize any additional controls needed.
Assume that a disk drive has 5,000 cylinders, numbered 0 to 4,999. The drive is recently serving a request at cylinder 143, and the last request was at cylinder 125.
Information systems have become so integrated into the UK society and economy that the cashless society is a realistic possibility within the next 25 years.
A web system deployed on campus has a failure rate of 10-3 failures per hour. What is the likeihood that the system will continue operating without failure throughout the duration of one week (Monday to Friday)?
Computer has 16 pages of virtual address space but only three physical pages frames. Initially physical memory is empty. Program references virtual pages in order 1,2,3,4,5,3,4,1,6,7,8,7,8,9,7,8,9,5,4,5,4,2 Which references a page fault with LRU ..
Compare the circular-wait scheme with thevarious deadlock-avoidance schemes banker's algorithm)
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