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3 years ago

What is the role of science and technology in achieving human’s ultimate goal or the good life?

Computers and Technology

2 answers:

AleksandrR [38]3 years ago

7 0

Answer:

The role that science and technology has played in improving the life conditions across the globe is vivid, but the benefit has to been harvested maximum by all countries. Hope This Helps!

Explanation:

9966 [12]3 years ago

6 0

The essence of how science and technology contributes to society is the creation of new knowledge, and then utilization of that knowledge to boost the prosperity of human lives, and to solve the various issues facing society.

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Under which access control system is each piece of information and every system resource (files, devices, networks, and so on) l

Pani-rosa [81]

Answer:

C. Mandatory access control

Explanation:

In the implementation of computer security, the mandatory access control (MAC) refers to the implementation of a security feature by operating systems. In this method, individual resource owners’ are unable to deny or grant permissions to a resources contained in a file. The criteria in a MAC when defined by the system administrator is implemented and enforced by the OS.

7 0

3 years ago

Write a program to calculate the great circle distance between two points on the surface of a sphere. If p1(x1, y1) and p2(x2,y2

Tamiku [17]

Answer:

import java.lang.*;

public class distance { public static double distance(double latitude1,

double latitude2, double longitude1,

double longitude2)

{

// Convert Latitude and Longitude to Radians

longitude1 = Math.toRadians(longitude1);

longitude2 = Math.toRadians(longitude2);

latitude1 = Math.toRadians(latitude1);

latitude2 = Math.toRadians(latitude2);

double d_longitude = longitude2 - longitude1;

double d_latitude = latitude2 - latitude1;

double a = Math.pow(Math.sin(d_latitude / 2), 2)

+ Math.cos(latitude1) * Math.cos(latitude2)

* Math.pow(Math.sin(d_longitude / 2),2);

double val = 2 * Math.asin(Math.sqrt(a));

// Radius of earth in kilometers is 6371

double earth_radius = 6371;

// Calculate and return the distance

return(val * earth_radius);

}

// Main Method

public static void main(String[] args)

{

double latitude1 = 67.32055555555556;

double latitude2 = 83.31861111111111;

double longitude1 = -1.7217899;

double longitude2 = -1.6567799;

System.out.println(distance(latitude1, latitude2,

longitude1, longitude2) + " K.M");

}

Explanation:

This program is implemented in Java programming language

The formula for the shortest distance between two points on the earth is:

Distance = 3963.0 * arccos[(sin(lat1) * sin(lat2)) + cos(lat1) * cos(lat2) * cos(long2 – long1)]

The latitude and longitude of the two points must be known

The latitude and longitude are converted into radians using built in methods in java.

Take value for the radius of the earth in Kilometers 6371;

Note that a seperate method has been created to calculate the distance

In the driver method (main), values for latitude and logitudes for both places have been hard-corded, then the method distance is called and passed those values

Note also that the distance has been calculated in Kilometers

8 0

3 years ago

Suppose Host A wants to send a large file to Host B. The path from Host A to Host B has three links, of rates R1 = 500 kbps, R2

Vlad1618 [11]

Answer:

a) 500 Kbps b) 64 sec c) 320 sec

Explanation:

a) We define the throughput of a network, as the actual maximum transmission rate that the network is able to deliver, which in this case is equal to the lowest transmission rate of any of the links that the traffic must go through:

R1 =500 kbps

b) If the file size is given in bytes, and we have the throughput in bps, we need to convert to bits first, as follows:

4*10⁶ bytes * (8 bits/byte) = 32*10⁶ bits.

The time needed to transfer the file, will be given by the quotient between the file size and the throughput, as follows:

t = 32*10⁶ bits / 500*10³ bits/sec = 64 sec

c) If the transmission rate R2 is reduced to 100 kbps, R2 becomes the lowest transmission rate in the network, so it becomes the new throughput.

So, the time needed for the same file to be transferred to host B is as follows:

t= 32*10⁶ bits / 100*10³ bits/sec = 320 sec

6 0

3 years ago

Suppose that you want to write a program that inputs customer data including name, zipCode, balance, and regionNum. At the end o

Misha Larkins [42]

Answer:

The answer to the given question is option "b".

Explanation:

In this question, we use option b because this option will provide a list of the number of customers in 12 each region owing more than $1,000. and other option is not correct that will be described as:

In the option a, It will provide the balance of the customer.
In the option c, It will decrease the list of region number.
In the option d, It will provide the total balance of the regions.

That's why the answer to this question is option b which is "customerCount[regionNum] = customerCount[regionNum] +1".

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3 years ago

How do you remove management from your chrome book [administrator]

torisob [31]

I’m pretty sure you shouldn’t because in the form they have you fill I think you agree to something about the management so..

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3 years ago