Consumers usually make up the majority of a free market economy. Their role is spending. If there is a lack of spending of the consumer the free market suffers. If the spending decreases to much then it can cause a recession or a depression. The the government also usually keeps track of the consumer spending and use it as valuable information in seeing how stable the economy is .
They are known as a Muslim.
The invention of the transistor in the 1950s allowed engineers to build smaller, faster, and more reliable computers.