Hour 22. Grand Central Dispatch: Using Queues and Threading
What You’ll Learn in This Hour
• Exploring the Grand Central Dispatch mechanism with blocks
• Using a queue
• Using a concurrent queue
Getting Started with Concurrency
Concurrency refers to the ability of a computer to run more than one task at the same time. Because all processor operations are carried out by the computer’s processor, the capabilities of the processor come into play with concurrency.
By the Way: Running Multiple Tasks at the Same Time—What It Doesn’t Mean
When talking about concurrency, people are referring to processor tasks. A program can send a request to a printer to print a page, and the computer can continue processing other tasks while the printer chugs away. ...
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