The clock was the first example of what sort of device? a. ...

[naturalchemist]

The clock was the first example of what sort of device?
 
  a. Mechanical c. Digital b. Analog d. Mechanised

Question 2

What is the key machine?
 
  a. The lock c. The mechanical clock b. The water wheel d. The eyeglass

[LVPMS]

Answer to Question 1

ANS: C
The clock was the first example of a digital device as it counted a regular sequence of discrete actions.

Answer to Question 2

ANS: C
Lewis Mumford called the mechanical clock the key machine.

[naturalchemist]

Great answer, keep it coming

[Liddy]

Excellent