Jo mere questions ka correct answer denga use mein 50 thanks dunga please don't spamc) which of the following is not managed by operating systema) memory usage b) I/O management c) security

Jo mere questions ka correct answer denga use mein 50 thanks dunga p

1.	Jo mere questions ka correct answer denga use mein 50 thanks dunga please don't spamc) which of the following is not managed by operating systema) memory usage b) I/O management c) security
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