Computers then:

• one dimensional
• can only access one screen at one time
• no mouse or pad to navigate
• no internet

Computers now:

• two or three dimensional
• access multiple screens and programs
• surf the internet
• watch television channels
• watch movies
• navigate with a mouse or touch pad
• different internal drives
• USB hook ups
• DVD player
• can burn CDs and movies onto a disc
• variety of computers and screens, including touch screen