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3 years ago

60 POINTS!

Computers and Technology

1 answer:

Tamiku [17]3 years ago

7 0

Answer:

networks allow computer to connect quickly and to share data or equipment

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Which of the following best describes the infrastructure ISPs provide?

svet-max [94.6K]

Answer:

cables, towers, and underground tubes

Explanation:

Its certainly the above one, and through this internet service is being provided. So internet service is self-understood, and what ISP firstly provides are cables, underground tubes, and the towers. And it is only these all through which the ISP provides internet service. And remember we are in this question dealing with the infrastructure and not the services or products. Hence, phone service, websites, and files, as well as the emails, search engines, and the videos, are not the solution here as they are not the infrastructure. And ISPs never provide the computers, ethernet cables or keyboards.

Hence, the correct answer is as mentioned in the answer section.

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3 years ago

Exporting data is sending data to a new file. true or false

dolphi86 [110]

False__________________________

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3 years ago

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Which word did alexander graham bell want adopted as a telephone greeting instead of hello.

Alik [6]

Answer:

I believe it was Ahoy.

Explanation:

I could be wrong though.

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2 years ago

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Google is an example of a(n): Web site.search engine.search directory. subject directory

lora16 [44]

Google is famously known as a search engine and it is being used around the globe. Aside from being a search engine, it also offers other services such as productivity software or google docs, e-mail services like Gmail, cloud storage or the google drive and it also offers social networking services through google plus. Google also has some desktop application for free of use such as google chrome, picasa and instant messaging like hangouts. Their mission statement as for being the most used search engine is "to organize the world's information and make it universally accessible and useful".

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3 years ago

Consider a demand-paging system with the following time-measured utilizations: CPU utilization 20% Paging disk 97.7% Other I/O d

Zarrin [17]

Answer:

see explaination please

Explanation:

a. Install a faster CPU. Answer:NO

Optional: a faster CPU reduces the CPU utilizationfurther since the CPU will spend more time waiting for a process toenter in the ready queue.

b. Install a bigger paging disk. Answer:NO

Optional: the size of the paging disk does not affect theamount of memory that is needed to reduce the pagefaults.

c. Increase the degree of multiprogramming Answer:NO

Since each process would have fewer frames available andthe page fault rate would increase

d. Decrease the degree of multiprogramming.Answer: YES

Optional: by suspending some of the processes, the otherprocesses will have more frames in order to bring their pages inthem, hence reducing the page faults.

e. Install more main memory. Answer:Likely

Optional: more pages can remain resident and do notrequire paging to or from the disks.

f. Install a faster hard disk or multiplecontrollers with multiple hard disks. Answer:Likely

(Optional)

g. Add prepaging to the page-fetchalgorithms.Answer: Likely

(Optional.)

h. Increase the page size. Answer:NO

Since each process would have fewer frames available and the page fault rate would increase

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3 years ago