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Marat540 [252]
3 years ago
8

1. Why was the Internet created?

Computers and Technology
1 answer:
lana [24]3 years ago
3 0

Answer:

1. The internet is any set of computer network that communicates using standardized protocols.The Internet was first invented for military purposes, and then expanded to the purpose of communication among scientists

2.ARPANET was the network that became the basis for the Internet. Based on a concept first published in 1967, ARPANET was developed under the direction of the U.S. Advanced Research Projects Agency (ARPA). In 1969, the idea became a modest reality with the interconnection of four university computers.

3.The first permanent ARPANET link was established on 21 November 1969, between the IMP at UCLA and the IMP at the Stanford Research Institute.

4. Vinton Grey Cerf born june 23rd 1943 in New Haven Connecticut is considered to be the father of internet.

5.Mosaic is a converged platform, which offers data engineering, advanced analytics, knowledge-led automation, IoT connectivity and improved solution experience to its users. Mosaic enables organizations to undertake quantum leaps in business transformation, and brings an insights-driven approach to decision-making. It helps deliver pioneering Analytics solutions at the intersection of physical and digital worlds.

6. client/server network. A computer network in which one centralized, powerful computer (called the server) is a hub to which many less powerful personal computers or workstations (called clients) are connected. The clients run programs and access data that are stored on the server

7.An Internet Protocol address (IP address) is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication. An IP address serves two main functions: host or network interface identification and location addressing.

8.A Vlog is is a video blog post. You can think of it as an online journal or diary, while A blog is purely text based.

9. The main difference between podcast and webcast is live streaming. Webcasting is essentially broadcasting over the Internet, using online streaming to deliver content. Podcasts are delivered via the Internet but are not streamed.

10.Electronic mail (email or e-mail) is a method of exchanging messages ("mail") between people. Email should be used because it safe and secure.

11. Some of the email etiquette are: Do have a clear subject line. Don't forget your signature.Do use a professional salutation. Don't use humor. Do proofread your message. Don't assume the recipient knows what you are talking about..Do reply to all emails.

12.Text messaging, or simply "texting," is a cellular phone service typically limited to 160 characters, whereas instant messaging isusually a computer session with a longermessage size. ... Both text messaging andinstant messaging are often called just plain "messaging."

13.Voice over Internet Protocol (VoIP), also called IP telephony, is a method and group of technologies for the delivery of voice communications and multimediasessions over Internet Protocol (IP) networks, such as the Internet. The terms Internet telephony, broadband telephony, and broadband phone servicespecifically refer to the provisioning of communications services (voice, fax, SMS, voice-messaging) over the public Internet, rather than via the public switched telephone network (PSTN), also known as plain old telephone service (POTS).

14.Ecommerce, also known as electronic commerce or internet commerce, refers to the buying and selling of goods or services using the internet, and the transfer of money and data to execute these transactions.

15.The B2B, B2C,C2C are types of ecommerce business models.

The B2B business model is one which facilitates business transaction from one company to another example an engineering manufacturing company sells equipment to a construction company

B2C:It is a business model in which a retailer sells directly to a consumer

C2C: It is a business model in which a consumer sells to another consumer through a platform or in-person.

16. Social ecommerce and mcommerce have different meanings, though both aim at making customers' lives easier. Simply put,ecommerce is an umbrella term for selling and buying online, while mobile commerce, or mcommerce, is a subcategory of ecommerce that focus on purchasing viamobile devices.

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. If you have written the following source code:
taurus [48]

Answer:

SpringBreak.java

Explanation:

Java classes are saved in files having the same name as the class name.

So if the given class structure is:

public class SpringBreak{

// lots of code here

}

It needs to be saved in a file called SpringBreak.java.

The physical file should follow the package structure as provided in the class.

The java file will be compiled by the java compiler to generate the corresponding class file.

8 0
3 years ago
Select two netiquette guidelines. In three to five sentences, explain why these guidelines make professional online communicatio
meriva
Netiquette is etiquette when using the internet. The first guideline refers to posts on social media. Individuals should be mindful that posts can be read by anyone including employers and family members. Individuals need to ensure that material shared is not offensive. The next guideline refers to materials or content that is posted. Users must ensure that material posted does not belong to someone else or is copyrighted. Permission must be sought the owner must be cited or recognized. 
7 0
3 years ago
Read 2 more answers
How to write a function that counts the letters in a string in C?
stiv31 [10]

Answer:

Here is the C function that counts the letters in a string:

int LetterCount(char string[]){  //function to count letters in a string passed as parameter

 string[100];  // char type string with size 100

  int i, letters;  // letter variable stores the count for no. of letters in string

   i = letters = 0;  //initialize variables i and letters to 0

  while (string[i] != '\0')  { // loop iterates through the entire string until end of string is reached

    if( (string[i] >= 'a' && string[i] <= 'z') || (string[i] >= 'A' && string[i] <= 'Z') )  { // if condition checks the letters in the string

     letters++;    }  // increments 1 to the count of letters variable each time a letter is found in the string

    i++;  }  //increments value of i to move one character forward in string

   printf("Number of Letters in this String = %d", letters);   // displays the number of letters in the string

   return 0; }                              

Explanation:

Here the question means that the function should count the letters in a string. So the letters are the alphabets from a to z and A to Z.

Here is the complete program:

#include <stdio.h>   // to use input output functions

int LetterCount(char string[]){  // method that takes a character string as parameter and counts the letters in the string

string[100];  

int i, letters;

i = letters = 0;

while (string[i] != '\0')   {

 if( (string[i] >= 'a' && string[i] <= 'z') || (string[i] >= 'A' && string[i] <= 'Z'))

   {letters++;  }

   i++; }

   printf("Number of Alphabets in this String = %d", letters);  

   return 0;}  

int main(){  // start of main function

  char string[100];  //declares a char array of string

   printf("Please Enter a String : ");   //prompts user to enter a string

  fgets(string,100,stdin);  //get the input string from user

   LetterCount(string); } // calls method to count letters in input string

I will explain this function with an example

Lets suppose the user input "abc3" string

string[100] = "abc3"

Now the function has a while loop that while (string[i] != '\0')  that checks if string character at i-th position is not '\0' which represents the end of the character string. As value of i = 0 so this means i is positioned at the first character of array i.e. 'a'

At first iteration:

i = 0

letter = 0

if( (string[i] >= 'a' && string[i] <= 'z') || (string[i] >= 'A' && string[i] <= 'Z') )   if condition checks if the character at i-th position of string is a letter. As the character at 0-th position of string is 'a' which is a letter so this condition evaluates to true. So the statement letter++ inside if condition executes which increments the letter variable to 1. So the value of letter becomes 1. Next statement i++ increments the value of i to 1. So i becomes 1. Hence:

i = 1

letter = 1

At second iteration:

i = 1

letter = 1

if( (string[i] >= 'a' && string[i] <= 'z') || (string[i] >= 'A' && string[i] <= 'Z') )  

if condition checks if the character at i-th position of string is a letter. As the character at 1st position of string is 'b' which is a letter so this condition evaluates to true. So the statements letter++ inside if condition and i++ executes which increments these variables to 1. Hence:

i = 2

letter = 2

At third iteration:

i = 2

letter = 2

if( (string[i] >= 'a' && string[i] <= 'z') || (string[i] >= 'A' && string[i] <= 'Z') )  

if condition checks if the character at i-th position of string is a letter. As the character at 2nd position of string is 'c' which is a letter so this condition evaluates to true. So the statements letter++ inside if condition and i++ executes which increments these variables to 1. Hence:

i = 3

letter = 3

At fourth iteration:

i = 3

letter = 3

if( (string[i] >= 'a' && string[i] <= 'z') || (string[i] >= 'A' && string[i] <= 'Z') )  

if condition checks if the character at i-th position of string is a letter. As the character at 3rd position of string is '3' which is not a letter but a digit so this condition evaluates to false. So the statement letter++ inside if condition does not execute. Now i++ executes which increments this variable to 1. Hence:

i = 4

letter = 3

Now the loop breaks because while (string[i] != '\0') condition valuates to false as it reaches the end of the string.

So the statement: printf("\n Number of Letters in this String = %d", letters); executes which prints the value of letters on the output screen. Hence the output is:

Number of Letters in this String = 3

3 0
3 years ago
Which type of cable is described as a central conductor wire that is surrounded by insulating materials and placed inside a brai
Elan Coil [88]
<span>Which type of cable is described as a central conductor wire that is surrounded by insulating materials and placed inside a braided metal shield? A coaxial cable.</span>
3 0
3 years ago
________ is a record in a relational database.
leonid [27]

The answer that is a record in a relational database is called; A row

<h3>What is a record in relational database?</h3>

In relational databases, a record is defined as a group of related data held within the same structure. Furthermore, we can say that a record is a grouping of fields within a table that reference one particular object.

Now, in relational database, a row is called a record because each row, contains a unique instance of data or key for the categories defined by the columns.

Read more about Relational Database at; brainly.com/question/13262352

#SPJ12

4 0
1 year ago
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