The central processing unit in computer play a role as like the human brain in human body
Main memory is like our short term memory secondary memory is like long term memory.
Input devise in computer: It is like our ear plays the role of the input device. for example, that mother called food is ready, your ear works as an input device
Output device:
As we hear about the food we speak that is an output device.
Generally in Brazil, the biggest factor influencing racial categorization is directly linked to economic rather than physical characteristics. Brazil was the last country to abolish slavery in 1888, the country still has a strong racial problem, as most black people live in slums and suburbs. Despite being a racially mixed country, black people are still marginalized.
