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Instruction:

Raspberry Pi 4 Model B, the completely upgrad, re-engineer model of the Pi family. It has more powerful processor, faster networking, supports dual 4K output, and provides different choice of RAM.

• The first-generation Raspberry Pi Model B was release in February 2012, followed by the simpler and cheaper Model A.
• In 2014, the Foundation released a board with an improved design, Raspberry Pi Model B+. These first-generation boards feature ARM11 processors, are approximately credit-card sized, and represent the standard mainline form factor. Improved A+ and B models were release within a year. A “Compute Module” was released in April 2014 for embedded applications.