Answer:
The correct answer for the given question is option(A) i.e File History.
Explanation:
In computer system file history is an backup application which create backup of your data which are stored in your libraries, desktops, contacts, and favorites to another storage location .It creates back up of your data to another location when your personal files has been changed.
The user can check the file history option in computer system
open control panel >>system and security >> file system
Answer:
cout <<showpoint << x; is the statement which prints the decimal point, but without forcing scientific.
Explanation:
The showpoint function in c++ print the decimal point number without forcing scientific.The showpoint function set the showpoint format flag for the str stream in c++.
Following are the program in c++
#include<iostream> //header file
using namespace std; // namespace
int main() // main function
{
double x=90.67; // double variable
cout <<showpoint << x; // display x without forcing scientific
return 0;
}
Output
90.6700
Yes this is true . But evidence is better when it’s true
Answer:
Following are the response to the given question:
Explanation:
The glamorous objective is to examine the items (as being the most valuable and "cheapest" items are chosen) while no item is selectable - in other words, the loading can be reached.
Assume that such a strategy also isn't optimum, this is that there is the set of items not including one of the selfish strategy items (say, i-th item), but instead a heavy, less valuable item j, with j > i and is optimal.
As 
, the i-th item may be substituted by the j-th item, as well as the overall load is still sustainable. Moreover, because 
and this strategy is better, our total profit has dropped. Contradiction.
