A single ROM is used to design a combinational circuit described by a truth table. What is the number of address lines in the ROM?
A. Number of input variables in the truth table
B. Number of output variables in the truth table
C. Number of input plus output variables in the truth-table
D. Number of lines in the truth-table
Answer: Option A
Related Questions on Digital Electronics
In which of the following base systems is 123 not a valid number?
A. Base 10
B. Base 16
C. Base 8
D. Base 3

Join The Discussion