Computer Organization

Exam 1

• Assembly language vs. high-level languages
• Assembly language vs. machine language
• MIPS instructions
  • add
  • addi
  • sub
  • lw
  • sw
  • sll
  • beq
  • bne
  • slt
  • j
  • jal
  • jr
• How to translate simple C code into MIPS assembly language
  • Simple expressions
  • Accessing array elements
  • If and if-else statements
  • While loops
• Immediate operands
• Zero ($zero) register
• Conditional vs. unconditional branches
• Use of the set on less than (slt) instruction
• Functions, parameter passing, return values
• Jump and link (jal) and the $ra register
• How functions use the stack
• MIPS instructions formats (R-type, I-type, J-type)
• How to translate MIPS assembly language code into machine language (not binary)
• Role of compiler, assembler and linker in program translation