For the following questions answer them individually
Study the following programme
// precondition : x >= 0
public void demo(int x)
{
System.out.print(x %10);
if( (x /10)! = 0)
{
demo(x / 10);
}
System.out.print(x % 10);
}
Which of the following is printed as a result of the call demo (1234)?
Whatis the nameof the technique in which the operating system of a computer executes several programs concurrently by switching back andforth between them ?
If there are five routers and six networksin an intranet usinglink state routing, how manyrouting tables are there?