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Computer Organization & Assembly Language

Computer Organization & Assembly Language. Lecture # 5 By Muhammad Jafer. Quiz. Minutes (10) Total Marks (15) What are the basic components of a computer & task perform by them ? Are these basic components dependent on each, if yes then how and why ?

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Computer Organization & Assembly Language

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  1. Computer Organization & Assembly Language Lecture # 5 By Muhammad Jafer

  2. Quiz • Minutes (10) • Total Marks (15) • What are the basic components of a computer & task perform by them ? • Are these basic components dependent on each, if yes then how and why ? • Why do we need a memory model for a processor ? • Name memory models for processor?

  3. Memory reading concepts • Memory Data Register • Memory Address Register

  4. INSTRUCTION CLASSES • Three Addresses • ADD A,B,C • Two Addresses • ADD A,B • One and Half Address • ADD X31,B • One Address • ADD B • Zero Address • ADD (SP)+,(SP)

  5. Addressing modes • Immediate MODE • ADD #100,A • Direct (Absolute) MODE • ADD 1000,A • INDIRECT MODE • ADD (B),A • INDEX MODE • ADD X(B),A • OTHER MODES

  6. Chapter Review • The x86 PC Assembly Language, Design & Interfacing by Muhammad Ali Mazidi, Janice GillispieMazidi & Danny Causey • Chapter # 1 • Inside The 8088/86

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