RSA Security Senior Software Engineer Interview Questions and Answers

GCD is a low-level API for managing concurrent operations, while Queue is a high-level API for managing tasks in a FIFO order.

• GCD stands for Grand Central Dispatch and is a low-level API for managing concurrent operations in iOS and macOS.

• Queues are a high-level API in GCD used for managing tasks in a FIFO (First In, First Out) order.

• GCD allows you to create and manage queues, while queues are used to execute tasks con...read more