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Igoryamba
3 years ago
8

Suppose you want to delete an existing file from within word. What would you do?

Computers and Technology
1 answer:
Oksana_A [137]3 years ago
5 0
Go in to ur files and find the file and delete it
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Expressions provide an easy way to perform operations on data values to produce other data values. True False
Papessa [141]

Expressions provide an easy way to perform operations on data values to produce other data values, True.

<h3>What is an Expression? </h3>

An expression is a combination of one or more operands (Constant, Variable, Array element, Function), operators(Multiplication,Division, Subtraction etc) to be interpreted by a programming language following rules of precedence or association to produce other data values.

Three kinds of expressions includes:

  • An arithmetic expression

  • A character expression

  • A logical or relational expression

Therefore, it is true that Expressions provide an easy way to perform operations on data values to produce other data values.

6 0
2 years ago
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 statement regarding hard drives is incorrect?
Veseljchak [2.6K]

Answer: I think the answer is

c. solid state drives are less expensive than magnetic hard drives

Explanation:

4 0
3 years ago
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Which of these lights is NOT part of the standard three-point lighting setup?
Contact [7]

Answer:

i believe background lighting

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25 pts! If programmers cannot write an algorithm because the problem is too complex, which methodology can they use to reach an
Setler [38]

Answer:

D, most likely thats what I was taught .

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3 years ago
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