Synchronous communications

• A. It require some type of “handshaking” between tasks that are sharing dat(A) This can be explicitly structured in code by the programmer, or it may happen at a lower level unknown to the pro- grammer.
• B. It involves data sharing between more than two tasks, which are often specified as being members in a common group, or collective.
• C. It involves two tasks with one task acting as the sender/producer of data, and the other acting as the receiver/consumer.
• D. It allows tasks to transfer data independently from one another.