Answer:
/*
* Program to write data to text file.
*/
#include<iostream>
#include<fstream>
#include<string.h>
using namespace std;
int main()
{
//Variable to name and age of a person.
string name;
int age;
cout<<"Enter your name"<<endl;
cin>>name;
cout<<"Enter your age"<<endl;
cin>>age;
//Creating object of ofstream.
ofstream file;
file.open ("outdata.txt");
//Writing data to file named outdata.txt
file<<name<<" "<<age;
file.close();
}
Output:
Enter your name
John
Enter your age
25
Content of Output.txt:
John 25
Explanation:
To write data to a file ofstream object is used. An ofstream object file is created first and then using this object a file named "outdata.txt" is created.
Finally using shift operator (<<), by means of operator overloading, name and age of person is transferred to file outdata.txt.
Answer:Sum functions() and Count functions() of logical test arguments used in formula .
Explanation:The Count () function returns the number of that rows match that a specified column.
Count (column_ Name)
table name
The count SQL Function finds the number condition.
SELECT COUNT(Condition Id)
FROM Condition;
The Sum () Function returns to the total sum number of columns.
SUM (Column_Name)
table name
The Sum SQL Function find the sum of the table.
<h2>The alignment of the text will be "left" by default</h2>
Explanation:
- In Excel or spreadsheet, if any number is entered, it will automatically be aligned to right because right alignment is preferable for the numbers.
- In case of any alignment is mentioned in the cell in prior to entering text or if the type of data is changed after or before entering the text, then the text is aligned accordingly.
- According to the given scenario, a number "25" is entered and it is converted to text. So a text format will preserve the alignment as entered. By default it will be "left" aligned.
<span>The statement that P2P networks are most commonly used in home networks is true.
</span>P2P stands for peer-to-peer communication network. It is an example of local administration. <span> Two or more PCs share files and access to devices such as printers without requiring a separate server computer or server software with P2P type of network.</span>
