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      Tata Consultancy Services

      Fait partie de Tata Group

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      IOS Developer : entretien chez Tata Consultancy Services

      Question d’entretien chez Tata Consultancy Services

      Entretien pour IOS Developer

      what's GCD?

      Réponses aux questions d'entretien

      Utilisateur anonyme

      24 mars 2020

      Tell the interviewer how and when I use it.

      Utilisateur anonyme

      16 mai 2020

      GCD is grand central dispatch is used for low level API Managing concurrent operations. this concept is used to improve the performance of the app.GCD performing multiple operations at a time and it the most useful API for multitasking with sync and async programming in iOS.

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