chapter 4

the components of the systems unit..system unit is the case that contains electronic component of the computer used to process data.in this chapter, i learn about components of the system unit.the common components inside the system unit are processor, memory, adapter cards, ports, drive bays and power supply.then, i learn about how memory stores data, instructions, and information.a also get some information about sequence of operations that occur when a computer executes as instructions.not to forget, the comparison of various personal computer processors on the market today.and the last subtopic is how to clean a system unit..now, a have more information about system unit that is a very important components of a computer.