which of the following peripheral does not belong to a group: A) Monitor B) Printer C) Hardware D) Keyboard​

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Which of the following examples has four beats in each measure?

Let r be a robotic arm with a fixed base and seven links. the last joint of r is a prismatic joint, the other ones are revolute joints. give a set of parameters that determines a placement of r. what is the dimension of the configuration space resulting from your choice of parameters?