# data[].attributes.body
Beads on rods to help calculate and count

# data[].attributes.attachment_link.description
If the problem continues, contact the site owner.

# data[].attributes.body
based on logic mathers rules of algorithm

# data[].attributes.body
FIrst analytical engine storing numbers on punch cards was made by him.

# data[].attributes.body
First stored program - metal cards

# data[].attributes.body
First generation computers used vacuum with no air inside to protect security

# data[].attributes.body
A moth was stuck in a relay switch. Grace hopper called it debugging a computer.

# data[].attributes.body
Used silicone, won nobel peace prize, on-and-off switch.

# data[].attributes.body
FIrst electronic fully digital computer containing 18,000 vacuum tubes and had the starting price of 487,000 dollars!

# data[].attributes.body
Second generation computers upgraded from vacuum tubes to transistors.

# data[].attributes.body
The 3rd generation computers used integrated circuits and this computer was enough technology to send people to the moon!

# data[].attributes.body
4th generation computers had the first micro chips and over 2.500 tansimiters.

# data[].attributes.body
256 bytes of memory
2 mhz intel 8080 chips
costed 395-495

# data[].attributes.body
Apple computers where used most in schools in the time period released.
First internal computer graphic face gui and mouse

# data[].attributes.body
THe first big upgrade from computer progress. These computers were sold nationwide had over 8,000 microchips and 29,000 transmiters

# data[].attributes.body
BY now technology was accessible in most homes they were faster less expensive and they had the first decent GUI.

# data[].attributes.body
The computers we all know today.