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2 years ago

If you entered data into row 4 and it should be in row 3, you should

Computers and Technology

2 answers:

aksik [14]2 years ago

8 0

Answer:

highlight the data in row 4 and drag it to row 3 ( B )

Explanation:

when entering data in a table that is part of a database data accuracy should be the main priority to avoid the table returning wrong information when queried for info later.

highlighting the data in row will enable the movement of the data to another row, without this action of highlight you can't move, copy or cut the data off from the wrong row.

you can't click in row 4 and paste because to paste you need to copy or cut, using auto-fill in row 3 won't fill it up with what is in row 4 while highlighting a cell and dragging it's borders will only expand the cell.

jeka942 years ago

3 0

the answer in my opinion would have to be B.

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A computer has a cache and main memory. 20 ns are required to reference a word that is in the cache. If the word is in main memo

Alecsey [184]

Answer:

$T_{average} =12026ns$

Explanation:

Given Information:

$T_{cache}=20 ns$

$T_{main}=60ns$

$T_{disk} =12ms=12,000,000ns$

$hit_{cache} =0.9$

$miss_{cache} =1-0.9=0.10$

$hit_{main} =0.99$

$miss_{main} =1-0.99=0.01$

There are 3 possible cases

1. Location of reference word is in cache

$T_{cache}*hit_{cache} =20*0.9=18ns$

2. Location of reference word is not in cache but in main memory

$(T_{cache}+T_{main})*(miss_{cache}*hit_{main}) =(20+60)*(0.10*0.99)=7.92ns$

3. Location of reference word is neither in cache nor in main memory

$(T_{cache}+T_{main}+T_{disk})*(miss_{cache}*miss_{main})$

$(20+60+12,000,000)*(0.10*0.01)=12000.08 ns$

The average time required to access a referenced word on this system is simply the sum of above 3 cases

$T_{average} =18+7.92+12000.08=12026ns$

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3 years ago

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Fynjy0 [20]

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Answer:

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<u></u>

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2 years ago

Joe wants to use pictures from the Internet in a word processing program. Which is the most important aspect that Joe should con

IrinaK [193]

Answer:

B. Copyright

Explanation:

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