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amid [387]
3 years ago
13

What soft ware can you use to erase all of your data from a hard drive safely

Computers and Technology
1 answer:
8090 [49]3 years ago
4 0
Control Panel,(Factory Reset) or downloable programs, example. Youruninstaller
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You also learn in class that one kilobyte of computer memory will hold about 2/3 of a page of typical text (without formatting).
Travka [436]

Answer:

The flashdrive can hold 35389 400-pages-books

Explanation:

If \frac{2}{3} of a page occupies 1 kB of memory, we can calculate how much memory a book will take

2/3kB=1 page\\ x kB=400 pages\\266.67 kB=400 pages

Now that we know that a book average file size is about 266,67 kB, we calculate how many of them can a 9 GB flash drive hold.

To do the calculation, we have to know how many kilobytes are in 9 gigabytes.

There is 1024 kilobytes in a megabyte, and 1024 megabytes in a gigabyte, so:

Memory_{in _kilobytes}^{} =1024\frac{kilobytes}{megabytes} *1024\frac{megabytes}{gigabytes}*9=9437184 kilobytes

Finally, knowing the average file size of a book and how much memory in kilobytes the 9 GB flash drive holds, we calculate how many books can it hold.

Books=\frac{Flash drive memory}{Filesize of a book} =\frac{9437184kilobytes}{266.67\frac{kilobytes}{book} } =35389,4 books

The flashdrive can hold 35389 400-pages-books, or 14155776 pages of typical text.

8 0
3 years ago
Which type of cell references are locked and NOT automatically updated when it’s copied
dsp73

Hi I would have to say B sorry if this answer is sucky but I'm trying my best to help you :D

4 0
2 years ago
Which block cipher mode of operating requires that both the message sender and receiver access a counter that computes a new val
ankoles [38]

There is block cipher kind of mode of operation. The block cipher mode of operating requires that both the message sender and receiver  is exchanged is the (CTR) Counter.

<h3>What is the Counter (CTR)?</h3>

This is known to be a common block cipher mode of operation. It often needs that both the message sender and receiver to have a kind of access a counter, that helps to computes a new value whenever a ciphertext block is been exchanged.

The disadvantage of CTR is known to be the fact that it needs a synchronous counter necessary for both the sender and receiver.

Learn more about  block cipher mode from

brainly.com/question/9979590

7 0
1 year ago
Will mark brainliest
Romashka [77]

Answer:

1 a

2 d

3 c

4 a

Explanation:

4 0
2 years ago
D. The 7-bit ASCII code for the character '&amp;' is:
insens350 [35]

Answer:

00100110

a and d are invalid sequences because they contain an even number of 1's.

Explanation:

Odd parity means that you want an odd number of 1's in the resulting set of bits. Since there are 3 (=odd) bits in the set, a zero must be added to keep the total odd.

6 0
3 years ago
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