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pishuonlain [190]
2 years ago
11

your computer is running exceptionally slow. not only does it take the operating system a long time to start, but programs also

are not performing as well as they used to perform. how might you resolve this?
Computers and Technology
1 answer:
aliina [53]2 years ago
8 0

You would want to check for any programs running in the background, as well as run a virus scan.

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Which RFC reserves three ranges of IP addresses for private use - a single Class A (10.0.0.0-10.255.255.255), 16 Class Bs (172.1
erica [24]

Answer:

The answer is "1918".

Explanation:

The RFC stands for "remote function call", it is also known as an abbreviated form. It is an application, that responses in a technical online design Task Force, it is also known as a document, which was prepared for review by shareholders to collects some information.  

The RFC reverses is also known as an idea, that uses IP version 4 to reverse the IP address, this process is done by TCP/IP protocol, which is defined under RFC 1918.  

4 0
3 years ago
____________________deals with syntax and semantics ofinformation exchange.
Goshia [24]

Answer:

The answer is (a).Presentation Layer

Explanation:

This layer is located at the 6th level of the OSI model, responsible for delivering and formatting the information to the upper layer for further processing. This service is needed because different types of computer uses different data representation. The presentation layer handles issues related to data presentation and transport, including encryption,translation and compression.

3 0
2 years ago
A string is represented as an array of characters. If you need to store an array of 5 strings with the maximum length of a strin
erastova [34]

Answer:

char str[5][100]

Explanation:

See attachment for options:

From the options, we can see that the programming language is C language.

The syntax to store an array of m strings with a maximum of n elements in C is:

char array-name[m][n]

In this case:

m = 5 --- Number of strings in the array

n = 100 --- Maximum character in each string

Assume the array name is str, the syntax can be expressed as:

char str[5][100]

3 0
2 years ago
The intention of this problem is to analyze a user input word, and display the letter that it starts with (book → B).
yulyashka [42]

Answer:

Here is the C++ program:

#include<iostream>  // to use input output functions

using namespace std;     //to identify objects like cin cout

void StartChar(string str)  {  // function that takes a word string as parameter and returns the first letter of that word in capital

   int i;  

   char c;

   do  //start of do while loop

   {

   for (int i = 0; i < str.length(); i++) {  //iterates through each character of the word str

       if(str.length()>25){  //checks if the length of input word is greater than 25

           cout<<"limit exceeded"; }  //displays this message if a word is more than 25 characters long

      c = str.at(i);   // returns the character at position i

       if (! ( ( c >= 'a' && c <= 'z' ) || ( c >= 'A' && c <= 'Z' ) ) ) {  //checks if the input word is contains characters other than the alphabet

            cout<<str<<" is not a word!"<<endl; break;}  //displays this message if user enters characters other than the alphabet

        if (i == 0) {  //check the first character of the input word

           str[i]=toupper(str[i]);  //converts the first character of the input word to uppercase

           cout<<str<<" starts with letter "<<str[i]<<endl;  }  // prints the letter that the word starts with in capital letter

   }   cout<<"Enter a word: ";  //prompts user to enter a word

      cin>>str;   //reads input word from user

}while(str!="#");   }    //keeps prompting user to enter a word until the user enters #

int main()   //start of the main() function body

{ string str;  //declares a variable to hold a word

cout<<"Enter a word: "; //prompts user to enter a word

cin>>str; //reads input word from user

   StartChar(str); }  //calls function passing the word to it

     

Explanation:

The program prompts the user to enter a word and then calls StartChar(str) method by passing the word to the function.

The function StartChar() takes that word string as argument.

do while loop starts. The for loop inside do while loop iterates through each character of the word string.

First if condition checks if the length of the input word is greater than 25 using length() method which returns the length of the str. For example user inputs "aaaaaaaaaaaaaaaaaaaaaaaaaaa". Then the message limit exceeded is printed on the screen if this if condition evaluates to true.

second if condition checks if the user enters anything except the alphabet character to form a  word. For example user $500. If this condition evaluates to true then the message $500 is not a word! is printed on the screen.

Third if condition checks if the first character of input word, convert that character to capital using toupper() method and prints the first letter of the str word in capital. For example if input word is "Computer" then this prints the message: Computer starts with the letter C in the output screen.

The program keeps prompting the user to enter the word until the user enters a hash # to end the program.

The output of the program is attached.

3 0
3 years ago
Variable index has a value of 4, and variable accessValid has a value of False. What value does variable, accessPoints, have aft
snow_lady [41]

Answer:

10

Explanation:

If index is greater than or equal to 2, accessPoints will increase by 10 even if accessValid is false because the if statement states that if index is greater than or equal to 2 OR accessValid is true. The if statement gets executed if either expression is true, and index is greater than 2 because index has a value of 4.

8 0
2 years ago
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