Part of the Microprocessors glossary: CPU (central processing unit) is an older term for processor and microprocessor, the central unit in a computer containing the logic circuitry that performs the instructions of a computer's programs.art of the Microprocessors glossary: CPU (central processing unit) is an older term for processor and microprocessor, the central unit in a computer containing the logic circuitry that performs the instructions of a computer's programs.
What You Need To Know... 1  The Grade of Padding you select must MATCH the Grade of Carpet you select. 2  Typical Cost for a 6 to 8-pound density Rebond pad is about $3.50 - $5.50 per square yard or about 39 to 45 cents per square foot.
You can always do it yourself with a bottle of protector and a carpet brush. Protectors cost about $8 for a 17-ounce can to up to $80 for a gallon. A gallon can cover up to about 1,500 square feet, depending on which brand you use and how heavily you apply it. Keep in mind that not all carpets require protector.