G4 L2

The _______ appeared before The Mechanical Age, while ________ appeared after it.

• Parchment - typewriter

• Abacus - telephone

• Pencils - Pascaline

Early ancient people communicated together using

• 
• 
• 

… is used as a means of communication in modern times.

• 
• 
• 

The timeline of the technological evolution is

• words - pens - typewriter

• typewriter - pens - words

• pens - typewriter - words

Pascaline machine is the first version of a______

• 
• 
• 

The era of electronic revolution was characterized by the existence of _________

• 
• 
• 

_________appeared during The mechanical revolution age.

• 
• 
• 

______ is known as "Information explosion age".

• Mechanical

• Electronic

• Electro mechanical

is known as "technology revolution age".

• Mechanical

• Electronic

• Electro mechanical

The printing process for books started to appear in the

• Mechanical Age

• Electronic age

• Pre Mechanical Age