1- Albert lin is an..................................

• Ecologist

• archaeologist

• artist

2- ..............................is used to find buried objects underground.

• magnetometer

• ground penetrating radar

• Gps

3- ........................ameans of locating something by satellite

• ground penetrating radar

• Gps

• drone

4- ....................used to take picture of different places.

• drone

• GPS

• magnetometer

5- .......................during this era ,people communicate with each other through picture,letters and number

• mechanical revolution

• per -revolution

• electronic revolution

6-................................... During this era appears the printer,the first version of calculator ( pascaline -machine )

• pre-mechanical revolution

• mechanical revolution

• electronic revolution

7-...................... during this era appear computer,laptop and gps

• mechanical revolution

• electronic revolution

• pre -revolution

8- ..................using the electricity for the first time and the first digital computer.

• mechanical revolution

• electronic revolution

• pre- revolution

9- ..........................the first version of the calculator.

• phone

• pascaline machine

• computer

10- some types of computers ...................,........................

• personal computer

• laptop

• tablet

• all the previous