Files with posc file extension is related to the Pentagon 1024 a home computer from Soviet Union.
POSC file extension - Pentagon 1024 overscan
What is posc file? How to open posc files?
File type specification:
The posc file extension is associated with the Pentagon 1024, a clone of 8-bit ZX Spectrum computer with Zilog Z80 processor, developed in Soviet Union.
The posc file stores some kind of data used by Pentagon 1024 computer.
This posc file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.