This is CCNA Semester 1 chapter 1 1. Which computer component is considered the nerve center of the computer system and is responsible for processing all of the data within the machine? RAM * CPU video card sound card operating system 2. What are two advantages of purchasing a preassembled computer? (Choose two.. * usually a lower cost exact components may be specified extended waiting period for assembly * adequate for performing most general applications suited for customers with special needs 3. A user plans to run multiple applications simultaneously on a computer. Which computer component is essential to accomplish this? * RAM NIC video card sound card storage device