Correct Answer - Option 4 : A variable in its complemented or uncomplemented form
- A variable is a symbol that may take on the value 0 or 1.
- A literal is the use of a variable or its complement in an expression.
- A term is an expression formed by literals and operations at one level.
For example, the following function:
F1 = xy + xy'z + x'yz
Has 3 variables (x,y,z),
8 literals (x,y,x,y',z,x',y,z), and
4 terms (xy, xy'z, x'yz, and the OR term that combines the first level AND terms).