FAA requirements are 40 hours to get your private license, but it typically takes around 60-80 hours, and the most commonly quoted approximate price I've always heard is about $10,000 for everything: ground school, flight training, materials, etc.
C++ is used today in any field that requires performance, like Gaming for instance. C++ is also very reliable and is the prime choice for embedded systems, which must be reliable to work and not cause exceptions. C++ can be used to create virtual...
The compiled C++ program image consists of CPU machine code, which may run on a physical CPU, or on a virtual/emulated one. In normal usage, C++ programs run on physical hardware. A typical (hosted) C++ program requires an operating system for startup and uses it for I/O and other system calls. A freestanding C++ program (OS kernel, bootloader, etc) does not even need an OS to run.