The physical bus topology is no longer used because it required extra cable to connect all the computers and required a central device.

An adjustment handle is identified by a ________

A) green square B) yellow circle C) blue triangle D) red circle

A ____ beneath a variable name in a declaration statement indicates that the variable is not referenced within the program.

A. blue squiggly underline B. green squiggly underline C. red squiggly underline D. yellow squiggly underline