Access organizes tables as a grid of columns and rows

In Excel, optional arguments in functions are surrounded by ________

A) { } B) | | C) ( ) D) [ ]

Digital coding techniques such as binary with eight-zero substitution (B8ZS) are becoming more popular because they are designed to

a. provide error-free signaling. b. operate at higher data rates. c. eliminate bipolar violations. d. maintain ones density standards.