A new class of objects can be created quickly and conveniently by ________—the new class absorbs the characteristics of an existing one, possibly customizing them and adding unique characteristics of its own.

Match the following terms to their meanings:

I. word size II. clock speed III. ROM IV. RAM V. central processing unit A. measured in hertz B. the amount of data that the processor can work with at one time C. consists of computer chips mounted inside of the computer case D. millions of microscopic parts connected to form integrated circuits E. contains the instructions used by the computer at startup

In a __________ number system, each number is represented by a string of digits in which each digit position i has an associated weight ri, where r is the radix of the number system.

Fill in the blank(s) with the appropriate word(s).