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.
Choosing the right size rug pad. A rug pad should be slightly smaller in size than the actual size of the rug. If the rug pad is slightly smaller than the rug, then the edges of the rug will taper to the floor.