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6CS4_CAO_Unit-2.pdf

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6CS4_CAO_Unit-2.pdf

  1. 1. COMPUTER ARCHITECTURE & ORGANIZATION (6CS4-04) Unit-2 ProgrammingTheBasicComputer -Dr.MonicaLamba
  2. 2. Contents • Introduction • Machine Language • Assembly Language • Assembler • Program loops • Programming Arithmetic and logic operations • Subroutines • I-O Programming. • Micro programmed Control: Control Memory • Address sequencing • Micro program Example, design of control Unit
  3. 3. Programming the Basic Computers
  4. 4. Program Machine Independent Machine Dependent
  5. 5. Instruction Set • In basic Computer we have 25 instructions • Out of which 7 are memory reference instructions(MRI) • 18 are register reference instruction and input/output reference instructions. • These 18 instructions are called non- memory reference instruction.
  6. 6. Microprogram Example 1.Computer Configuration •Instruction Format • Microinstruction Format •Microoperation • Conditional Field •Branch Field •Symbolic Microinstruction • Fetch Routine •Symbolic Microprogram •Execution of program •Binary Microprogram
  7. 7. DESIGN OF CONTROL UNIT
  8. 8. Thank You

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