${?}_{{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{a}re\text{p}\text{r}\text{o}\text{g}\text{r}\text{a}\text{m}\text{s}\text{t}\text{h}\text{a}\text{t}\text{c}\text{o}\text{n}\text{t}\text{r}\text{o}\text{l}\text{t}\text{h}\text{e}\text{c}\text{o}\text{m}\text{p}\text{u}\text{t}\text{e}\text{r}\text{'}\text{s}\text{r}\text{e}\text{s}\text{o}\text{u}\text{r}\text{c}\text{e}\text{s}\text{.}}$

$(TCO5)$

Group $of$ answer choices

Application software

Vertical$-$market software

Operating systems

Firmware