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kogti [31]
3 years ago
8

how does the study of science benefit society ? A. non scientists in society often use the same experiments conducted by scienti

sts. B. The study of science helps slows down a fast paced society. C. The study of science keeps more people employed than any other industry. D. The knowledge gained by studying science is often used to address the practical problems of society. Thank you :)
Computers and Technology
2 answers:
meriva3 years ago
7 0

Answer : D - The knowledge gained by studying science is often used to address the practical problems of society.

Explanation : Without studying science, we wouldn't really know everything we do about the world we live in today. The study of medicine helps cure diseases and help sick patients. The study of oceans and their movements help sailors and our navy do what they need. All around us is science that could potiently help solve a future or current problem.

ella [17]3 years ago
5 0
<span>The knowledge gained by studying science is often used to address the practical problems of society. You see it in medicine a lot after much experimentation it tries to fix an illness that we have in society.</span>
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In a batch operating system, three jobs are submitted for execution. Each job involves an I/O activity, CPU time and another I/O
Ilia_Sergeevich [38]

Answer:

a) CPU utilization for uniprogramming system = 18.2%

b) CPU utilization for multiprogramming system = 41.379%

Explanation:

IO time = total time – CPU time

For JOB 1  

CPU time = 3ms ,

total time= 23ms

IO time = 23-3 = 20ms ,

For JOB 2

CPU time =5ms

total = 29ms

IO time = 29-5 = 24ms  

For JOB 3  

CPU time = 4ms

total = 14ms

IO time = 14-10 =10ms  

1.) In uniprogramming system, operations are performed sequentially

CPU utilization=total CPU time / total real time

CPU utilization =(3+5+4) / (23+29+14)

CPU utilization =0.182 or 18.2%

2) In multiprogramming system, jobs wait for the CPU to get free while performing IO operations concurrently

steps followed by the os

1. IO for 1st job                           at 0ms

2. IO for 2nd job                          at 0ms

3. IO for 3rd job                          at 0ms

4. CPU time for 3rd job              at 5ms

5. Next IO job for 3rd job           at 9ms END at 14ms

6. CPU time for 1st job              at 9ms

7. Next IO job for 1st job           at 14ms END at 23ms

8. CPU time for 2nd job             at 14ms

9. Next IO job for 2nd job          at 15ms END at 29ms

CPU time is 3+5+4 =12ms

Total execution time = 29ms

CPU utilization = 12*100/29= 41.379%

5 0
2 years ago
Which of the following syntaxes displays a dialog box, causing the user to enter input text?
maks197457 [2]

Answer:

c. prompt(text[,default Input])

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5 0
3 years ago
The power on any voltage rail of the hard drive is calculated by multiplying _____. (a). Voltage X Current (b). Voltage X Watts
Papessa [141]

Answer:

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Power -

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Power is defined as the rate of work done , i.e. , work divided by time .

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The standard unit of power is Watt , which is denoted by W .

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3 years ago
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GuDViN [60]

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8 0
2 years ago
What symbol following a menu command lets you know that a dialog box will be displayed? an ellipse an arrow a check mark a radio
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cords   and  batteries or electric radio

5 0
2 years ago
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