Fighter Jets Vs Drones: Will UAVs Take The Lead In Combat?

Recent technological advancements have enabled the design of unmanned aerial vehicles (UAVs), or drones, that are controlled from ground stations through highly sophisticated computers and software. From small photography drones to large utility vehicles and military counterparts, the future seems to be for UAVs. For military applications, are UAVs a direct replacement for fighter aircraft, given that their combat capabilities are at par?