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2 years ago

Using information from the lesson, explain how new technologies change your experience as a consumer.

2 answers:

6 0

Technological improvements allow me to have greater access to goods around the world. I can buy instantly and communicate instantly with producers. Technology can also help me to monitor economic trends, both in my country and in my own life. In summary, technology helps to give me more freedom to make economic choices.

On e2020

vagabundo [1.1K]2 years ago

4 0

Technological improvements allow me to have greater access to goods around the world. I can buy instantly and communicate instantly with producers. It allows us to be able to purchase something faster or maybe even cheaper. Instead of having to go out and buy something. But it also gives you more options then what you would have in a store. It makes it to where if you don't have time to go to the store, you can just pull out your phone and hit a button. Epically, if you have an amazon. You just half to search what you want, and when you find it, add it to chart or buy it with one click.

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A school has 100 lockers and 100 students. All lockers are closed on the first day of school. As the students enter, the first s

kati45 [8]

Solution :

public class NewMain {

public_static void main_(String[] args) {

boolean[] _locker = new boolean_[101];

// to set all the locks to a false NOTE: first locker is the number 0. Last locker is the 99.

for (int_i=1;i<locker_length; i++)

{

locker[i] = false;

}

// first student opens all lockers.

for (int i=1;i<locker.length; i++) {

locker[i] = true;

}

for(int S=2; S<locker.length; S++)

{

for(int k=S; k<locker.length; k=k+S)

{

if(locker[k]==false) locker[k] = true;

else locker[k] = false;

}

for(int S=1; S<locker.length; S++)

{

if (locker[S] == true) {

System.out.println("Locker " + S + " Open");

}

/* else {

System.out.println("Locker " + S + " Close");

} */

}

5 0

1 year ago

Consider a single-platter disk with the following parameters: rotation speed: 7200 rpm; number of tracks on one side ofplatter:

horsena [70]

Answer:

Given Data:

Rotation Speed = 7200 rpm

No. of tracks on one side of platter = 30000

No. of sectors per track = 600

Seek time for every 100 track traversed = 1 ms

To find:

Average Seek Time.

Average Rotational Latency.

Transfer time for a sector.

Total Average time to satisfy a request.

Explanation:

a) As given, the disk head starts at track 0. At this point the seek time is 0.

Seek time is time to traverse from 0 to 29999 tracks (it makes 30000)

Average Seek Time is the time taken by the head to move from one track to another/2

29999 / 2 = 14999.5 ms

As the seek time is one ms for every hundred tracks traversed. So the seek time for 29,999 tracks traversed is

14999.5 / 100 = 149.995 ms

b) The rotations per minute are 7200

1 min = 60 sec

7200 / 60 = 120 rotations / sec

Rotational delay is the inverses of this. So

1 / 120 = 0.00833 sec

= 0.00833 * 100

= 0.833 ms

So there is 1 rotation is at every 0.833 ms

Average Rotational latency is one half the amount of time taken by disk to make one revolution or complete 1 rotation.

So average rotational latency is: 1 / 2r

8.333 / 2 = 4.165 ms

c) No. of sectors per track = 600

Time for one disk rotation = 0.833 ms

So transfer time for a sector is: one disk revolution time / number of sectors

8.333 / 600 = 0.01388 ms = 13.88 μs

d) Total average time to satisfy a request is calculated as :

Average seek time + Average rotational latency + Transfer time for a sector

= 149.99 ms + 4.165 ms + 0.01388 ms

= 154.168 ms

4 0

2 years ago

What elements of SANS 20 you could leverage to reduce the TCP/IP vulnerabilities of your workstation

Vlada [557]

Answer:

- limitation and control of network ports, protocols and services.

- Continuous vulnerability assessment and remediation.

Explanation:

The TCP or transmission control protocol is a layer 4 protocol (transport), that reliably transports packets in sequential segments to an application in the destination computer, using the ip address and the port number of the application.

The ICMP sent during the TCP/ip activities, can render the network vulnerable to attacks. limitation and control of the network ports, protocols and services and continuous assessment would mitigate the vulnerability of the TCP/ip model.

5 0

2 years ago

Use Excel to develop a regression model for the Consumer Food Database (using the "Excel Databases.xls" file on Blackboard) to p

m_a_m_a [10]

Answer:

Step 1 : Create an Indicator Variable for metro cities using formula mentioned in formula bar.

Step 2: Filter the Data on Metro cities i.e. select only those cities with Metro Indicator 1.

Step 3: Paste this filtered data to a new sheet.

Step 4: Go to Data - Data Analysis - Regression

Step 5: Enter the range of Y-variable and X-variable as shown. Select Output range and click on residuals. It will give you Output Summary and the Predicted Values along with Residuals

Please see attachment

5 0

2 years ago

To be a successful computer systems engineer, you must be proficient in programming languages and operating systems. Similarly,

Maslowich

Collectively, skills like the ones listed above are Technical skills. These skills refer to the Knowledge and ability to perform specific tasks. However, Soft skills are also important, because they relate to the ability to interact and communicate effectively with people.

6 0

2 years ago

Read 2 more answers