Business executives need a wide variety of skills to perform their jobs, but the route to becoming an executive can take a wide variety of paths. Preparation for executive positions usually includes business courses such as accounting, marketing, management, human relations and technical classes in the field of the business.
The Cavitron Ultrasonic Surgical Aspirator (CUSA) is a dissecting device that uses ultrasonic frequencies to fragment tissue. This highly-specialized instrument is available at only a handful of veterinary universities and human hospitals that focus on neurosurgery.
Functions of the control unit. The Control Unit (CU) is digital circuitry contained within the processor that coordinates the sequence of data movements into, out of, and between a processor's many sub-units. The result of these routed data movements through various digital circuits (sub-units) within the processor produces the manipulated data expected by a software instruction (loaded earlier, likely from memory).