Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
시분할 시스템은 여러 사용자가 동시에 컴퓨터 자원을 사용할 수 있게 해줍니다.sibunhal siseutemeun yeoreo sayongjaga dongsi geombeo jareul sayonghal su itge haejumnida.The timesharing system allows multiple users to use computer resources simultaneously.