A powerful hardware/software debugger used to "look inside" a computer's memory and operations while a program was running.

In the mid-to-late 1980s, was a well-known name among software developers using IBM PCs and compatibles.

Here’s a balanced and positive review for OK Periscope , depending on what you’re referring to (the song, the band, or a product). Since the most common reference is the song by , I’ll go with that. If you meant something else, let me know and I’ll adjust it.

In naval terminology, a periscope is an essential optical instrument used by submarines to observe the surface while remaining submerged. For decades, the command "OK, periscope depth" has been a staple in submarine bridge communication, signaling the crew to ascend to roughly 30 feet below the surface.