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X86 Interview Questions

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Stack is a portion of RAM used for saving the content of Program Counter and general purpose registers.

LIFO stacks, also known as "push down" stacks, are the conceptually simplest way of saving information in a temporary storage location for such common computer operations as mathematical expression evaluation and recursive subroutine calling. 

Flag is a flip-flop used to store the information about the status of a processor and the status of the instruction executed most recently

A software or hardware mark that signals a particular condition or status. A flag is like a switch that can be either on or off. The flag is said to be set when it is turned on. 

All x86 processors have pipelined structure. 

Compiler is used to translate the high-level language program into machine code at a time. It doesn?t require special instruction to store in a memory, it stores automatically. The Execution time is less compared to Interpreter.

A compiler is a program that translates a source program written in some high-level programming language (such as Java) into machine code for some computer architecture (such as the Intel Pentium architecture). 

RAM: Read / Write memory, High Speed, Volatile Memory. ROM: Read only memory, Low Speed, Non Voliate Memory. 

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