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A computer has a cache, main memory, and a disk. If a referenced word is in the cache, 20 ns are required to access it. If it is in main memory but not in the cache (called cache miss), 60 ns are needed to load it into the cache (this includes the time to originally check the cache), and then reference is started again. If the word is not in main memory, 12 ms are required to fetch the word from disk, followed by 60 ns to copy it to the cache, and then the reference is started again. The cache hit ratio is 0.9 and the main memory hit ratio is 0.6. What is the average time in nanoseconds required to access a referenced word on this system?
Required help creating a document that Develop an application that will read and procedure customer history order information from a document.
Construct a Unix shell script to input number of hours worked and pay rate and compute the total pay, then the social security amount, then the net pay.
Assume you wish to test a motherboard used in an installation before you proceed too far into the installation. From the devices listed below, choose the minimum devices
Determine the integration of VOIP and WLAN. Discuss some of issues that need to be overcome, and what security issues needs to be addressed?
Imagine you are creating an application at work that transmits data record to another building within the similar city. The data records are 500 bytes in length,
Discussion on potential management plans for monitoring network activities and maintaining security of the network.
A concurrent program with 2-procedure, p and q, defined as follows, A,B,C,D, and E are arbitrary atomic statements. Suppose that the main program does a parbegin of the two procedure.
Computers and television would work is when you tape television demonstrate that can be used to give flavor to PowerPoint Presentations.
Assume a GPU architecture that contains 10 SIMD processors. Each SIMD instruction has a width of 32 and each SIMD processor contains 8 lanes for single-precision arithmetic and load/store instructions, meaning that each non- diverged SIMD instruct..
Explain the difference between internal fragmentation and external fragmentation. Which one occurs in paging system? Which one occurs in system using pure segmentation?
When a process first start execution, how would you characterize the page fault rate? Once the working set for a process is loaded into memory, how would you characterize the page fault rate?
Business intelligence systems are sometimes called online analytical processing systems. These online analytical processing systems are used to make decisions and are characterized
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