High level languages are easier to operate and often do not require knowing of processor architecture (registers, memory management and so on). But programs written in low level languages (different...
ADA, FORTRAN, COBOL, C, C++, P/L-1, Java, just to name a few.
Ada.
Assembly and Pascal.
A few of the High-level programs are Ada, ALgol, BASIC, COBOL, C, C++, FORTRAN, LISP, Pascal and also Prolog. I hope this helps you out!