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5 Cards in this Set
- Front
- Back
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List the 4 steps that convert a source file into a machine executable
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1) source program (.c) goes into preprocessor (cpp)
-> .i file, a modified text source file, is created 2) .i file goes to the compiler (cc1), which translates it to assembly -> .s file, a text assembly file, is created 3) .s file goes to the assembler (as), which translates it to binary -> .o file, binary relocatable object file, is created 4) .o files stick around and can be used by the linker (ld) -> .o files get loaded together into executable object programs |
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What is the main motivation for the memory hierarchy?
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What is the main motivation for virtual memory?
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How many bits in: char, short, int, long int, long long int, char*, float, double Which data types have different sizes at 32- and 64-bit architectures? |
32 64 char 1 1 short int 2 2 int 4 4 long int 4 8 <-- different long long int 8 8 char * 4 8 <-- different float 4 4 double 8 8 |
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What is the difference between arithmetic and logical right shifts? Why are there two kinds? |
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