Exercise 1. Fill in the gaps: Progam counter (PC), Data Bus (DB), RAD memory (RM), Pipelining (PL), Central Processing unit (CPU). 2. SQL__ is considered as the brain of the computer, it controls the oper processing functions. it is composed of registers, control unit, and arithmetic 4.4 _. is a groip of coppee connettions relaring the prinipal memory 5. Computer. It is used to circulate data among the computer components. time. is a specific implementation of parallelization where each core is .