図のシステム伝達関数はどれか。
1: $\frac {1}{G\left( s\right) H\left( s\right) }$
2: $\frac {G\left( s\right) }{1-G\left( s\right) H\left( s\right) }$
3: $\frac {G\left( s\right) }{1+G\left( s\right) H\left( s\right) }$
4: $\frac {G\left( s\right) H\left( s\right) }{1-G\left( s\right) H\left( s\right) }$
5: $\frac {G\left( s\right) H\left( s\right) }{1+G\left( s\right) H\left( s\right) }$
図の出力Xはどれか。
1: $\overline {A}\cdot \overline {B}+A\cdot B $
2: $\overline {A}\cdot\ B+A\cdot\ \overline {B}$
3: $\left( A+B\right) \cdot \left( A+\overline {B}\right) $
4: $\left( A+B\right) \cdot \left( A+\overline {B}\right) $
5: $\overline {A}\cdot \left( A+B\right) +B\cdot \left( \overline {A}\cdot \overline {B}\right) $