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12345 [234]
3 years ago
5

which of these describes a property of all elements A. all elements have six electrons B. all elements are pure substances C. al

l elements are metals D. all elements exist in a solid phase.
Computers and Technology
1 answer:
sergiy2304 [10]3 years ago
3 0
Im guessing the answer would either B or C
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To delete a database object, right-click the object in the Navigation Pane and then click ____ on the shortcut menu.
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Click DELETE on the Shortcut Menu. Be sure that the object you are deleting is closed before because it will not let you delete.
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4 years ago
What are the uses of a modem
Vlada [557]

Modem provides internet, WiFi, we can connect multiple devices to internet through modem.

Modem provides radiation of short wavelength and the transmitter in your mobile phones and computers convert those radiations into digital signals and vice-versa.

5 0
3 years ago
Write a program that prints the U.S. presidential election years from 1792 to present day, knowing that such elections occur eve
miv72 [106K]

Answer:

The cpp program to print US presidential years is given.

#include <iostream>

using namespace std;

int main()

{

   // variable to hold presidential election year declared  

   int elec_year;

// variable to hold presidential election year initialized to 1792  

elec_year=1792;

   

// the value displayed on the console output

   std::cout << "The U.S. presidential election years from 1792 to present day are listed. " << std::endl;

   

   // loop executes till year is less than or equals 2020

   do

   {

       // initial value is printed

       std::cout << elec_year << std::endl;

       

       // value is incremented by 4

       elec_year = elec_year + 4;

       

   }while(elec_year<=2020);

   return 0;

}

OUTPUT

The U.S. presidential election years from 1792 to present day are listed.  

1792

1796

1800

1804

1808

1812

1816

1820

1824

1828

1832

1836

1840

1844

1848

1852

1856

1860

1864

1868

1872

1876

1880

1884

1888

1892

1896

1900

1904

1908

1912

1916

1920

1924

1928

1932

1936

1940

1944

1948

1952

1956

1960

1964

1968

1972

1976

1980

1984

1988

1992

1996

2000

2004

2008

2012

2016

2020

Explanation:

The program works as described.

1. An integer variable, elec_year, is declared and initialized with the first US presidential year value, 1792.

2. Inside the do-while loop, the variable, elec_year, is first printed to the console followed by a new line inserted using, endl.

3. The variable, elec_year, is then incremented by 4.

4. The do-while loop continues till the value of the variable, elec_year, does not exceeds the current year, 2020.

5. The program ends with a return statement since main() has return type int.

6. Only one variable is used in the program.

7. The program consists of only main() method since cpp is not completely object oriented programming language.

8. The same program, if written in object oriented programming language like java or c# will be written inside a class and executed through main() method.

4 0
3 years ago
Hello people, I was wandering if I could get some people to complete this questionnaire for my business course. It would be very
madam [21]
What do I have to do
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3 years ago
Recall that within our BinarySearchTree class the root variable is of type BSTNode. A BSTNode object has three attributes: info
shutvik [7]

Answer:

False ( A )

Explanation:

The implementation is incorrect hence the return would be false and this is because : root.left is supposed to be NULL, root.right is supposed to be NULL and when  these conditions are met then the Binary tree would be empty.

The condition for the above statement would be represented as

if( root.left = = null && root.right == null &&root.info == null)

return true;

else

return false;

7 0
3 years ago
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