Computer Organization and Architecture


  • To impact the basic idea of Memory, system organization and Architecture of Computer.

Course Outcomes

  • Basic structure of a digital computer
  • Be familiar with the history and development of modern computers,
  • Arithmetic operations of binary number system
  • The organization of the Control unit, Arithmetic and Logical unit, Memory unit and the I/O unit.
  • Be familiar with the basic knowledge the design of digital logic circuits and apply to computer organization.
  • Students will understand the uses for cache memory.
  • Students will understand a wide variety of memory technologies both internal and external.


Module I (13 hours)

Basic structure of computer hardware and software – addressing methods – computer arithmetic –  number representations –  fast  adders  –  fast  multiplication –  integer division –  floating point numbers and operations.

Module II (13 hours)

The  processing  unit   –    instruction  execution   cycle   –    sequencing of  control  signals   – hardwired  control  –   microprogrammed  control  –   control  signals  –   micro  instructions  – microprogram sequencing –  branch address modification  – prefetching of micro instructions.

Module III (13 hours)

Memory organization –  Semiconductor RAM memories –  internal organization –  Bipolar and  MOS devices  –   Dynamic memories –   multiple memory  modules and  interleaving – cache memories-mapping functions –  replacement  algorithms  –  virtual  memory  –  address translation  – page tables –  memory management units –  Secondary memory –  disk drives – organization and operations.

Module IV (13 hours)

Input-output  organizations-accessing I/O  devices-direct  memory  access  (DMA)  – interrupts- interrupt  handling-handling multiple devices-device identification -vectored interrupts  – interrupt nesting – Daisy chaining – I/O interfaces – serial and parallel standards – buses – scheduling- bus arbitration-bus standards.  Introduction to parallel organizations  – multiple processor organization- symmetric   multiprocessors  -cache  coherence  – non  uniform  memory  access  vector computation – introduction to CISC and RISC architectures – comparisons


Text Books

  1. Hamacher C.V, Computer Organisation, McGraw Hill.
  2. Morris Mano, Computer system architecture, Pearson.
  3. John P Hayes, Computer Architecture and Organization McGraw Hill.


Reference Books

  1. William Stallings, Computer Architecture and Organization, Pearson.
  2. Patterson D. A & Hennessy J. L, Computer Organization & Design, Morgan Kaufman.
Course Information
  • Course Id:EC14 501
  • Credit:4
  • Room:301, 305
  • Days:All Week Days
  • Timings:Based on College Timetable

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