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That program might not support MS-DOS..
Yes, if it is a DOS program.
1. How much memory is found in the DOS transient program area
It can't be run in DOS mode because it relies on Windows-specific APIs. DOS mode is running the program in either DOS, or in a DOS box under Windows. Basically, it is saying that it can't run on DOS because it is not a DOS program.
Dos.
A Casio FX-88OP is a scientific calculator. To program this, simply run the program in the true MS-DOS mode. Do not use an MS-DOS prompt.
Technically there is no differences between Windows and DOS. DOS is an acronym for Disk Operating System which every computer has to have to operate.
If this question is about TurboC for DOS, then no.
MS DOS. It is an operating System.
A Terminate Stay Resident (TSR) program is a DOS program that stays in memory following its execution. This allows installation of drivers in DOS.
Maybe it does execute, but in a temporary MS-DOS window, which is closed when program's terminated. Run your program from a separate MS-DOS window (Start/Run: CMD.EXE)
DOS is a program, so it's software. Hardware is the physical machine parts.