What does the cryptic crossword clue "Records creating chads - chads CPU nerd sorted out (7,5)" mean?

The wordplay uses an anagram. anagram of CHADS + CPU + NERD = PUNCHEDCARDS The answer is PUNCHEDCARDS.

Records creating chads - chads CPU nerd sorted out (7,5)

Daily Mail Cryptic #16337 | 10 Down | 2020-06-15 flower