20. what invention is considered the \brain\ of a modern computer? a. microprocessor b. nuclear reactor c…

20. what invention is considered the \brain\ of a modern computer? a. microprocessor b. nuclear reactor c. satellite d. transistor radio 21. which policy marked the u.s. strategy to help greece and turkey resist communism? a. the marshall plan b. the truman doctrine c. the iron curtain speech

20. what invention is considered the \brain\ of a modern computer? a. microprocessor b. nuclear reactor c. satellite d. transistor radio 21. which policy marked the u.s. strategy to help greece and turkey resist communism? a. the marshall plan b. the truman doctrine c. the iron curtain speech

Answer

Brief Explanations:

For question 20, the microprocessor is the central - processing unit of a computer, performing most processing tasks, similar to a brain. For question 21, the Truman Doctrine was a U.S. policy to provide aid to Greece and Turkey to resist communism.

Answer:

  1. A. Microprocessor
  2. B. The Truman Doctrine