The two players can also play online while using split screen. This game mode is normally exclusive to the Xbox 360 version of Left 4 Dead and Left 4 Dead 2, but may be accessed in the PC versions if you have a controller for the second player and modify some files.
Serial memory processing - Wikipedia. Serial memory processing is the act of attending to and processing one item at a time. This is usually contrasted against parallel memory processing, which is the act of attending to and processing all items simultaneously. https://en.wikipedia.org/wiki/Serial_memory_processing
Serialization in C# and .NET. Serialization is a process through which an object's state is transformed into some serial data format, such as XML or binary format. Object Serialization is a process through which an object's state is transformed into some serial data format, such as XML or binary format, in order to be stored for some later use. In other words, the object is dehydrated and put away until we need to use it again. Storing user preferences in an object.