Explanation:
1. radio transmission.
2. microwave transmission
3. infrared transmission.
Answer:
// program in java.
// package
import java.util.*;
// class definition
class Main
{// main method of the class
public static void main (String[] args) throws java.lang.Exception
{
try{
// scanner object to read inputs
Scanner scr=new Scanner(System.in);
// variables
String name;
double price;
System.out.print("Enter item's name: ");
// read item's name
name = scr.next();
System.out.print("Enter item's price: ");
// read item's price
price= scr.nextDouble();
// print name
System.out.println("name of item is:"+name);
// print price
System.out.println("price of item is:"+price);
}catch(Exception ex){
return;}
}
}
Explanation:
Read name & price of item from user and assign it to variables "name" & "price" respectively with scanner object.Then print the name and price of item .
Output:
Enter item's name: Apple
Enter item's price: 100
name of item is:Apple
price of item is:100.0
A driver is a piece of software that allows things such as a keyboard, mouse, hard drive, etc. connect to a computer. Normally found on the manufactures website, you can update drivers with advanced and modern technology. Or, if a device is really old you can download a driver to allow that device to connect to a PC.
Answer:
a. double-cross
Explanation:
Using the blockchain technology in the case of issuing concert tickets solves the problem with double-cross, which is when someone cheats another person who had trusted in them for some transaction. <em>A great asset with blockchain is the transparency with all the transactions because they are registered and cannot be erased or changed.</em>
