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3 years ago

From the following list choose all the tasks an operating system performs.

Computers and Technology

2 answers:

skelet666 [1.2K]3 years ago

6 0

Answer:

shii im trynna find out my self

Explanation:

zhenek [66]3 years ago

4 0

<em>Manage memories - Operating system has utilities that could help users to manage their memories. Such utilities include Disk Maintenance and Disk Degfragmentation which are helpful to detect problems within your disk storage. </em>
<em>Works as an intermediary between the hardware and the software - OS has a special program called kernel. Basically, a kernel can recognize a command in relation to hardware. For example, when the user click on Ctrl and P keys on the keyboard, the kernel would send alert to the corresponding hardware which is the printer then do the task. </em>
<em>Manages which program gets access to memory and for how long - OS manages tasks. It supports multi tasking which means several processes can happen at a time. In order to do that, OS manage the computation and priorities of tasks to ensure that the user can have a good experience.</em>

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3 years ago

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<h3>What is an output report?</h3>

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2 years ago

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2 years ago

The arcade machine market crash in the 1980's because:

Blababa [14]

Answer:

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Explanation:

I got this answer wrong when I chose B.

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3 years ago

Given that a computer required service, what is the probability that it was a laptop? Given that the computer required servic

Greeley [361]

Complete Question:

A campus bookstore sells both types and in the last semester sold 56% laptops and 44% desktops. Reliability rates for the two types of machines are quite different, however. In the first year, 5% of desktops require service, while 15% of laptops have problems requiring service.

Given that a computer required service, what is the probability that it was a laptop?

Answer:

Probability = 0.084

Explanation:

Given

Laptops = 56%

Desktop = 44%

Service Required (Laptop) = 15%

Service Required (Desktop) = 5%

Required

Determine the probability that a selected computer is a laptop and it requires service.

The question tests our knowledge of probabilities using "and" condition.

What the question requires is that, we calculate the probability of selecting a LAPTOP that REQUIRES SERVICE

Note the capitalised words.

This will be calculated as follows:

Probability = P(Laptop) and P(Service Required (Laptop))

[Substitute values for P(Laptop) and P(Service Required (Laptop))]

Probability = 56% * 15%

[Convert to decimal]

Probability = 0.56 * 0.15

Probability = 0.084

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3 years ago