How many binary Boolean instructions suffice to evaluate any n-variable Boolean function decomposed recursively?

Analyze the how many binary boolean instructions suffice to evaluate any n-variable boolean function decomposed recursively?.

Examples
Input: "test_input_1"
Output: "output_1"
Hints

How many binary Boolean instructions suffice to evaluate any n-variable Boolean function decomposed recursively?

Analyze the how many binary boolean instructions suffice to evaluate any n-variable boolean function decomposed recursively?.