Makes contribution, seeing computer part misbehave (5,2)

I believe the answer is:

chips in

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'makes contribution' is the definition.
The answer and definition can be both to do with ownership as well as being verbs in their -s form.
Perhaps you can see an association between them that I don't see?

'computer part misbehave' is the wordplay.
'computer part' becomes 'chip' ('chip' is part of 'computer').
'misbehave' becomes 'sin' (I've seen this in another clue).
'chip'+'sin'='CHIPS IN'

'seeing' is the link.

Can you help me to learn more?

I've seen this clue in The Irish Times.

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