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g100num [7]
3 years ago
10

A formal log-on procedure is the operating system’s last line of defense against unauthorized access.

Computers and Technology
1 answer:
Elina [12.6K]3 years ago
7 0
The answer is A. true
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Simple mail transfer protocol (smtp) uses the well-known port number ______________ by default.
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Hexadecimal to denary gcse method
Anuta_ua [19.1K]

There are two ways to convert from hexadecimal to denary gcse method. They are:

  • Conversion from hex to denary via binary.
  • The use of base 16 place-value columns.

<h3>How is the conversion done?</h3>

In Conversion from hex to denary via binary:

One has to Separate the hex digits to be able to know or find its equivalent in binary, and then the person will then put them back together.

Example - Find out the denary value of hex value 2D.

It will be:

2 = 0010

D = 1101

Put them them together and then you will have:

00101101

Which is known to be:

0 *128 + 0 * 64 + 1 *32 + 0 * 16 + 1 *8 + 1 *4 + 0 *2 + 1 *1

= 45 in denary form.

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2 years ago
What does this loop that uses a range function do? for i in range(7, 15): print("goodbye") It prints "goodbye" 8 times, numbered
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It prints "goodbye" 8 times.

Explanation:

The loop being described in this scenario would print "goodbye" 8 times. It would not include numbers detailing the range since the loop instructions only state for the system to print("goodbye") and nothing else. Also, it would only print it 8 times because in a range the endpoint is not included, this is mainly because in programming data structures tend to run on 0-based indexing.

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