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take ur CPU outside from ur home and burn it>>:)

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Impact of CPU utilization by increasing CPU speed?

Increasing CPU speed will maintain the current level of CPU utilization, in the case where the process mix is compute bound, or decrease CPU utilization, in the case where the process mix is I/O bound.


Discuss how the following pairs of scheduling criteria conflict in certain settings?

• CPU utilization and response time: CPU utilization is increased if the overheads associated with context switching is minimized. The context switching overheads could be lowered by performing context switches infrequently. This could however result in increasing the response time for processes. • Average turnaround time and maximum waiting time: Average turnaround time is minimized by executing the shortest tasks first. Such a scheduling policy could however starve long-running tasks and thereby increase their waiting time. • I/O device utilization and CPU utilization: CPU utilization is maximized by running long-running CPU-bound tasks without performing context switches. I/O device utilization is maximized by scheduling I/O-bound jobs as soon as they become ready to run, thereby incurring the overheads of context switches.


What is the main advantage of multiprogramming?

Multiprogramming increases CPU utilization by organizing jobs so that the CPU always has a job to execute.


What is CPU utilization?

processor utilization is the average fraction of time during which the processor is busy, we mean that the processor is either executing the user processes or operating system processes. processor utilization is generally measured by using a NULL process that runs when no other process is running. process utilization should range from 40% to 90%.


Why scr daemon is taking 99 percent of CPU utilization. Is it really needed to run or it can be killed?

No daemon should ever take that much CPU utilization. That particular daemon will do that if there are some resolution issues. See the related link for details.


3 What is the main advantage of multiprogramming?

Answer:Multiprogramming makes ef?cient use of the CPU by overlapping thedemands for the CPU and its I/O devices from various users. Itattempts to increase CPU utilization by always having something for the CPU to execute


Percentage of time your CPU is working is referred to?

The percentage of time the CPU is actively processing data is referred to as the CPU utilization rate. This metric is commonly used to monitor the workload of the CPU and can help identify potential performance issues or bottlenecks in a system.


Discuss the effect of heavily multiprogramming on demand page swapping?

Mutiprogramming helps increase the CPU utilization to some extent, but if the degree of Multiprogramming is increased above a certain limit (i.e Heavy Multiprogramming) it can lead to Thrashing and thus decrease the CPU utilization drastically.Heavy Multiprogramming may lead to Thrashing, a condition where a system is spending more time Page Faulting (i.e swapping pages in and out of memory) rather than executing them, this leads to deterioration of system performance.


Which three physical network problems should be checked when a bottom up troubleshooting approach has been chosen to troubleshoot network performance?

cable connectivity,high collision counts, high CPU utilization rates


As CPU technology has evovled the operating voltage has?

Increased.


What is a multi program system?

A group of jobs that are ready to be executed is called job pool. Since there is more than one job that can be executed, it is possible for the operating system to make a decision about which job to execute next. That decision keeps CPU utilization as high as possible. In general, it is not possible for a single user to keep CPU or I/O devices busy at all times. Multiprogramming allows the system .to increase CPU utilization by ensuring that the CPU always has a job to execute. The CPU has a pool of jobs. When the currently executing job has to wait (if it is performing some I/O), it is removed from the CPU- Another job is selected and the CPU now executes it. This process ensures that CPU is always executing a job if there is a job to execute. In a non-multiprogrammed system, if a job had to wait for an I/O operation, CPU would also have to wait until I/O was finished. Hammad Ali


What is multie programming system?

A group of jobs that are ready to be executed is called job pool. Since there is more than one job that can be executed, it is possible for the operating system to make a decision about which job to execute next. That decision keeps CPU utilization as high as possible. In general, it is not possible for a single user to keep CPU or I/O devices busy at all times. Multiprogramming allows the system .to increase CPU utilization by ensuring that the CPU always has a job to execute. The CPU has a pool of jobs. When the currently executing job has to wait (if it is performing some I/O), it is removed from the CPU- Another job is selected and the CPU now executes it. This process ensures that CPU is always executing a job if there is a job to execute. In a non-multiprogrammed system, if a job had to wait for an I/O operation, CPU would also have to wait until I/O was finished. Hammad Ali