RSS newsreaders are also known as ________.

The MACH project shows that

a. there is a digital divide limiting access to computer systems. b. sports performance can be recorded and analyzed by software. c. there are some things computers cannot teach. d. computers can help people with interpersonal skills development.

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).