I'm not 100% sure what you're asking, but I'll try to help. If you have a key signature of C major, you obviously don't have any sharps or flats. Well, if you all of a sudden see one, it is probably just an accidental. If they keep popping up, you're modulating into a new key, or the composer is tricking you by a secondary dominant passage.
When there are no flats or sharps in the key signature and or when there are no accidentals.
They are called "accidentals". This also includes naturals (which make a sharp or flat note in the key signature not sharp or flat for that measure).
There's no sharps of flats in the key signature in either C major or A minor.
Sharps and Flats
that is called the key signature.
When there are no flats or sharps in the key signature and or when there are no accidentals.
There can be a total of seven flats (or sharps) in a key signature.
It's C major if there are no flats or sharps in the key signature.no sharps and flatsThere are no sharps or flats in the key signature of C Major.
They are called "accidentals". This also includes naturals (which make a sharp or flat note in the key signature not sharp or flat for that measure).
4 sharps.
There's no sharps of flats in the key signature in either C major or A minor.
None. No key signature contains a mix of flats and sharps.
There are no sharps or flats in the key signature of C Major.
C major.
C major
A key signature, accidentals, a piece of music.
Sharps and Flats