All of the following are ways to avoid injuries when working on computers except ________.

For main memory, __________ is the number of bits read out of or written into memory at a time.

A. addressable units B. capacity C. unit of transfer D. direct unit

From the symbols of grammar given by the text, what is used to signify “x or y”?

a. x ^ y b. x % y c. x | y d. x && y