Historia del Sistema Operativo.
by Jesus Zambrano
1. Category 1
1.1. Priority
1.2. Phone Calls
1.2.1. Call 1
1.2.2. Call 2
1.3. Meetings
1.3.1. Meeting 1
1.3.2. Meeting 2
2. Category 2
3. La Primera Generación (1945 - 1955 ) Tubos de vacío y tableros enchufables
3.1. Priority
3.2. Phone Calls
3.2.1. Call 1
3.2.2. Call 2
3.3. Meetings
3.3.1. Meeting 1
3.3.2. Meeting 2