Using MIS (9th Edition)
9th Edition
ISBN: 9780134106786
Author: David M. Kroenke, Randall J. Boyle
Publisher: PEARSON
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Expert Solution & Answer
Chapter AE, Problem AE6.3
Explanation of Solution
a.
Browse the link www.7-zip.org. The web page looks like the image given below:
Screenshot of 7-Zip
Explanation of Solution
b.
Click download.
Screenshot of 7-Zip
- Click “Install”...
Explanation of Solution
c.
Go to downloads folder and select any large file.
Screenshot of Downloads
...Explanation of Solution
d.
Right click on the large file. For example, right click on the file “sample”.
Screenshot of D...
Explanation of Solution
e.
Click 7-Zip and then click “Add to archive”.
Screenshot of Downloads...
f.
Explanation of Solution
Rename the file as “PresillaDora.7z”.
Screenshot of Add to Archive
Explanation of Solution
g.
In the encryption section enter the password.
Screenshot of Add to Archive
...Explanation of Solution
h.
Screenshot after entering the password.
Screenshot of Add to Archive
Explanation of Solution
i.
Then, click “OK”.
Screenshot of Add to Archive
Explanation of Solution
j.
Right-click and select 7-Zip after the file has been compressed. Then select the Extract to “PresillaDora\”...
Explanation of Solution
k.
Enter the password and then click “OK”.
Screenshot of Password dialog box
Explanation of Solution
l.
Necessity of Third-party encryption:
- It is a protection given to the
information system such as computer to achieve the following objectives:- Integrity
- Availability
- Confidentiality
- If the third-person tries to access the data, then the confidential data may get hacked...
Explanation of Solution
l.
Benefits of compressing large files when using cloud-storage:
- Compressing large files will help in shrinking the size of the data...
Expert Solution & Answer
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Answer this Java OOP question below:
Discuss the challenges and benefits of using multiple levels of inheritance in a class hierarchy. How can deep inheritance structures impact the maintainability and readability of code?
Answer the Java OOP question below:
Explain the relationship between a superclass and a subclass. How do the principles of encapsulation and abstraction play a role in this relationship? In your experience, how do you decide what should be included in a superclass versus a subclass? Share an example where a well-defined superclass-subclass hierarchy improved your code.
1.) Consider the problem of determining whether a DFA and a regular expression are
equivalent. Express this problem as a language and show that it is decidable.
ii) Let ALLDFA = {(A)| A is a DFA and L(A) = "}. Show that ALLDFA is decidable.
iii) Let AECFG = {(G)| G is a CFG that generates &}. Show that AECFG is decidable.
iv) Let ETM {(M)| M is a TM and L(M) = 0}. Show that ETM, the complement of
Erm, is Turing-recognizable.
Let X be the set {1, 2, 3, 4, 5} and Y be the set {6, 7, 8, 9, 10). We describe the
functions f: XY and g: XY in the following tables. Answer each part
and give a reason for each negative answer.
n
f(n)
n
g(n)
1
6
1
10
2
7
2
9
3
6
3
8
4
7
4
7
5
6
5
6
Aa. Is f one-to-one?
b. Is fonto?
c. Is fa correspondence?
Ad. Is g one-to-one?
e. Is g onto?
f.
Is g a correspondence?
vi) Let B be the set of all infinite sequences over {0,1}. Show that B is uncountable
using a proof by diagonalization.
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