In a few paragraphs, choose two of the topics below and explain them, as well as how they relate to each other $.$

$1.$ Discuss three$-$bit manipulation instructions and their impact on CPU hardware

$2.$ Name three special$-$purpose instructions and describe their functionality impact on programming languages

$3.$ Describe the term Instruction$-$Set Orthogonality and its pros and cons

$4.$ Describe Instruction pipelining and its purpose and impact on application execution speed

$5.$ Compare the Intel and ARM instruction set architecture and its suitability for smartphones compared to laptop computers