Suppose there is a transmission error in a block BB of ciphertext using CBC mode. This error propagates to every subsequent block in decryption, which means that the block BB and every block after BB cannot be decrypted correctly.

True or false?

A911 dispatcher is the sole sender of messages to all police officers. while on patrol, officers communicate with the dispatcher who, in turn, relays messages to other officers. the officers do not communicate directly with one another. this illustrates a network.

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?

Adrawing that places all lines parallel to the z axis at an angle from the horizon is 99 ! a. an oblique drawing b. a perspective drawing c. an auxiliary view d. a one-point perspective drawing