b. The CPU is idle for the majority of the time while the computer is being used optimally, which is when many applications are running simultaneously and the CPU consumption is only 37%. At least two or more tasks should be discussed to see how Interrupts might improve the machine's efficiency and minimise idle time.

b. The CPU is idle for the majority of the time while the computer is being used optimally, which is when many applications are running simultaneously and the CPU consumption is only 37%. At least two or more tasks should be discussed to see how Interrupts might improve the machine's efficiency and minimise idle time.

Name: b. The CPU is idle for the majority of the time while the computer is
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Description: b. The CPU is idle for the majority of the time while the computer is being used optimally, which is when many applications are running simultaneously and the CPU consumption is only 37%. At least two or more tasks should be discussed to see how Inte

Systems Architecture

7th Edition

ISBN:9781305080195

Author:Stephen D. Burd

Publisher:Stephen D. Burd

Chapter4: Processor Technology And Architecture

Section: Chapter Questions

Problem 2PE: If a microprocessor has a cycle time of 0.5 nanoseconds, what’s the processor clock rate? If the...

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b. The CPU is idle for the bulk of the time when the computer is being utilized optimally, which is when many apps are running at the same time and the CPU utilization is only 37%. At least two or more activities should be reviewed in order to determine how Interrupts might increase machine efficiency and reduce idle time.
When the computer is used optimally, with multiple applications running, the CPU consumption is typically only 37%, implying that the CPU is idle for the majority of the time and hence wasteful. Discuss how employing at least two or more jobs, as well as Interrupts, could help the machine run more efficiently and reduce idle times.
CPU time is a precious computer resource and a good computing system should be design in such a way to utilise CPU efficiently. Explain why DMA is better than interrupt-driven and Programmed I/O in terms of CPU usage.
The CPU times in milliseconds for 11 workloads on a processor are 0.74, 0.43, 0.24, 2.24, 262.08, 8960, 4720, 19740, 7360, 22,440, and 28,560. Which index of central tendency would you choose and why?
Assume that every 18 months, new CPU generations double the number of cores available. How much more off-chip memory bandwidth will be required to maintain the same level of per-core performance in a CPU that will be delivered in three years?
CPU time is a valuable computer resource that should be used as effectively as feasible. Why does DMA use less CPU power than interrupt-driven and programmable I/O?
Assuming that two processes are currently running; delaying execution before one of the processes completes. For the most part, you may consider the phase 1 is the most essential and the other is less important. The main memory can store just one action at a time. The CPU explains how it performs calculation on that? The choices of both include the stages involved in the functioning of a CPU?
Q1. Explain program execution of the Figure 1 mentioned below by considering PC contents equal to 300? Explain in detail the execution and write clearly the contents of each CPU register after each clock cycle.
System A has two processors, and Program X takes 10 seconds to run on one of them. Program Y executes in parallel on the other CPU in 10 seconds. System B is powered by a single CPU that can only handle one problem at a time. On this CPU, Program X takes 6 seconds to execute. Which system would you choose if overall system throughput was important to you?
Assume that every 18 months, the number of CPU cores accessible is doubled. How much more off-chip memory bandwidth will be necessary for a CPU to maintain the same level of per-core performance in three years?
Why might a system exhibit high CPU usage but low memory utilization, and how can this be diagnosed?
a) Investigate key characteristics of computer memory systems for improving the overall system performance. b) List out the motivations for virtual memory. Frame a system to illustrate virtual to physical address translation mechanism with an example