<Tr> <Th> Modern concepts </Th> </Tr> <Tr> <Td> <Ul> <Li> General - purpose CPUs </Li> <Li> Graphical user interface </Li> <Li> Internet </Li> <Li> Laptops </Li> <Li> Personal computers </Li> <Li> Video games </Li> <Li> World Wide Web </Li> </Ul> </Td> </Tr> <Ul> <Li> General - purpose CPUs </Li> <Li> Graphical user interface </Li> <Li> Internet </Li> <Li> Laptops </Li> <Li> Personal computers </Li> <Li> Video games </Li> <Li> World Wide Web </Li> </Ul> <Li> General - purpose CPUs </Li>

In the last 50 years the advent of