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Lubov Fominskaja [6]
2 years ago
12

John works for Internal Computer Specialists, which focuses on helping small business owners resolve MIS infrastructure issues.

John's tasks include cleaning and replacing motherboards, cables, and internal components such as DVDs and hard drives. What does John's role at Internal Computer Specialists focus on fixing?
Computers and Technology
1 answer:
lisov135 [29]2 years ago
6 0

Answer:

Hardware.

Explanation:

All electronics devices like computer servers, DVDs, smartphones and cell phones, wrist watches etc, comes with two main components, they are hardware and software.

The hardware components are the physical part of the device, while the software component is the written instructions configured to the hardware for executing tasks.

Cleaning the motherboard in a computer system, fixing a DVD, servicing other internal components of devices are all hardware maintenance and repair services.

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Suppose your company has decided that it needs to make certain busy servers faster. Processes in the workload spend 60% of their
vekshin1

Answer:

CPU need 50% much faster

disk need 100% much faster

Explanation:

given data

workload spend time CPU  = 60%

workload spend time I/O = 40%

achieve overall system speedup = 25%

to find out

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solution

we apply here Amdahl’s law for the overall speed of a computer that is express as

S = \frac{1}{(1-f)+ \frac{f}{k} }      .............................1

here f is fraction of work i.e 0.6 and S is overall speed  i.e 100% + 25% = 125 % and k is speed up of component

so put all value in equation 1 we get

S = \frac{1}{(1-f)+ \frac{f}{k} }  

1.25 = \frac{1}{(1-0.6)+ \frac{0.6}{k} }  

solve we get

k = 1.5

so we can say  CPU need 50% much faster

and

when f = 0.4 and S = 125 %

put the value in equation 1

S = \frac{1}{(1-f)+ \frac{f}{k} }  

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2 years ago
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Answer:

A

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