Answer:
Cyber security can be used for good but nevertheless some people will find ways to do bad things. Basically the negative impacts of cyber security is the opposite to the good type of cyber security they take advantage of it and exploit computer system to do what they want. An example to this is planting a malware on the victim's computer or using a DDOS attack on a WiFi router the possibility are endless.
Answer:
B, Mini-ITX
Explanation:
According to my research on information technology and it's hardware, I can say that based on the information provided within the question the technician is most likely to use a Mini-ITX case. This is because an HTPC is a A Home Theater PC which does not need all the hardware that a regular PC needs, just the minimum specs, and these devices are usually hidden away in a drawer or behind the TV. Therefore he needs the smallest PC case which is a Mini-ITX.
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Answer with Explanation:
Part 1)
The given sine wave is as

The graphical representation of the wave is shown in the attached figure:
Part 2)
For a general wave equation
'A' is defined as amplitude of the wave
is defined as phase of the wave
Upon comparing with the given wave function we observe
1) Amplitude of the given wave is 3
2) Phase of the given wave 
Using the knowledge of computational language in python it is possible to write a code that write (define) a public static method named countup, that takes one int argument and returns no value.
<h3>Writting the code:</h3>
<em>public class </em><em>Main</em>
<em>{</em>
<em>public static void main(</em><em>String</em><em>[] args) {</em>
<em>// testing the method </em><em>countDown </em><em>with values 5, 6, 1</em>
<em>countDown(5);</em>
<em>System.out.println();</em>
<em>countDown(6);</em>
<em>System.out.println();</em>
<em>countDown(2);</em>
<em>System.out.println();</em>
<em>}</em>
<em />
<em>public static void </em><em>countDown</em><em>(int num)</em>
<em>{</em>
<em>for (int i=1 ; i<=num ; i++) // for </em><em>loop </em><em>iterates from 1 to num</em>
<em>{</em>
<em>System.out.print(i+","); // prints num followed by comma ,</em>
<em>}</em>
<em>}</em>
<em>}</em>
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