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41 Cards in this Set
- Front
- Back
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What is the Text area of the CRE?
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holds the instructions/code; zeroes, ones of the code
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1 picosecond is _______ of a second
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10^-12
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Describe each Compilation Process:
1) gcc 2) cpp 3) ccomp 4) as 5) ld 6) executable |
1) compiler for the prog.c
2) it is the C preprocessor for headers 3) translator from C to equivalent program in assembly; it outputs a .s file for assembly 4) creates the oject code, the .o file; the machine code 5) linker 6) an application which is loaded into memory |
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0001
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1
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What is in the DATA area of the CRE?
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initialized static vars & global vars
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What does BSS stand for?
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Block Started by Symbol
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What does SPARC stand for?
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Scalable Processor Architecture
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2^10
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1K (kilo)
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What is in the BSS of the CRE?
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Uninitialized global and static variables (which are automatically initialized to 0)
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The Heap grows in the same/opposite direction of the stack.
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Opposite
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Does the SPARC stack frames grow from low to high memory or high to low memory?
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Low to high
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0010
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2
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1 femtosecond is _________ of a second
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10^-15
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0011
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3
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What is in the Heap of the CRE?
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Dynamically Allocated memory (objects)
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What is in the Stack of the CRE?
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Local variables and parameters
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1 Ghz speed = ___ Nanosecond(s) cycle time
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1
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1 ms is _______ of a second
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1/1000
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1 microsecond is _______ of a second
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10^-6
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1 nanosecond is ______ of a second
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10^-9
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What is 2^0 to 2^10?
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1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024
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0100
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4
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2^20
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1M (mega)
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2^30
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1G (Giga)
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2^40
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1T (tera)
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In a Big Endian architecture, the most significant bit is furthest left/right.
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left
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Give the bits associated w/ each SPARC data type:
1) byte 2) word 3) halfword 4) double 5) float 6) long double 7) long 8) quad word |
1) 8
2) 32 3) 16 4) 64 5) 32 6) 64-128 7) 32 8) 64 |
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0101
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5
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in a Little Endian architecture, the most significant bit is furthest left/right.
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right
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0000
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0
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0110
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6
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0111
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7
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1000
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8
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1001
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9
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1011
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B
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1010
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A
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1100
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C
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1101
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D
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1110
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E
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1111
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F
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What is a System Call?
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Privileged instructors to OS
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