"Source code" refers to the lines of code that a programmer types into the computer. "Executable code" refers to the code that can run directly on your computer. This is usually obtained by compiling...
I would say yes, if it's an a doctor's office. I always use one at my office. Sometimes it is just 99211 if the patient only sees the nurse for the injection.
No. In short, binary code is the code your computer executes, it can be in many forms, ranging from bytecode, which must be interpreted, but is pre-compiled to machine code, which is directly run by...