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Assoli18 [71]
3 years ago
7

PLEASE HELP THANK YOU

Computers and Technology
1 answer:
Andrei [34K]3 years ago
6 0

Answer:

1) A string is "non-numeric data".  In other words, it is text.

2) False, a runtime error means that there is a problem, but it will be with the software, not the hardware.

3) An impossible task such as dividing five by zero is a logical error.  Not using quotes on a string would be a syntax error, printing an inaccurate statement is not an error at all (as far as the program is concerned anyway), and using camelcase on a variable with multiple words is a common convention.

4) variableName = "value"

5) The code provided here is illegible, so I can't give a straight answer. It seems to be missing operators.

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A personal identification number (PIN) that opens a certain lock consists of a sequence of 3 different digits from 0 through 9,
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Answer:

<u>720</u> possible PIN can be generated.

Explanation:

To calculate different number of orders of digits to create password and PIN, we calculate permutation.

Permutation is a term that means the number of methods or ways in which different numbers, alphabets, characters and objects can arranged or organized. To calculate the permutation following formula will be used:

nPr = n!/(n-r)!

there P is permutation, n is number of digits that need to be organize, r is the size of subset (Number of digits a password contains)

So in question we need to calculate

P=?

where

n= 10   (0-9 means total 10 digits)

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So by using formula

10P3 = 10!/(10-3)!

        =10!/7!

        = 10x9x8x7!/7!

        = 10x9x8

        = 720

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