GATE ECE 2003 | Question: 19

Question

Without any additional circuitry, an $8: 1 \; \mathrm{MUX}$ can be used to obtain

• A. some but not all Boolean functions of $3$ variables
• B. all functions of $3$ variables but none of $4$ variables
• C. all functions of $3$ variables and some but not all of $4$ variables
• D. all functions of $4$ variables