From: aminer68@gmail.com   
      
   Hello,   
      
      
   What about x86 vs ARM processors ?   
      
   x86 is a CISC architecture and ARM is a RISC architecture.   
      
   The CISC approach attempts to minimize the number of instructions per program,   
   sacrificing the number of cycles per instruction. RISC does the opposite,   
   reducing the cycles per instruction at the cost of the number of instructions   
   per program.   
      
   The RISC ISA emphasizes software over hardware. The RISC instruction set   
   requires one to write more efficient software (e.g., compilers or code) with   
   fewer instructions. CISC ISAs use more transistors in the hardware   
   to implement more instructions and more complex instructions as well.   
      
   CISC simplify the software by needing hardware structure to be more complex.   
      
   Programming CISC-based computers is easier than in other designs because there   
   is a single instruction for both simple and complex tasks.   
      
   Programming in RISC is more difficult and time-consuming than in the other   
   design, because most of the complex instructions are simulated using simple   
   instructions.RISC   
      
      
   Thank you,   
   Amine Moulay Ramdane.   
      
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