With effect from the academic year 2015-2016
BIT 254
COMPUTER ORGANIZATION & MICROPROCESSORS
|
Instruction |
4 |
Periods per week |
|
Duration of University Examination |
3 |
Hours |
|
University Examination |
75 |
Marks |
|
Sessional |
25 |
Marks |
Course Objectives:
- 1.To provide in depth knowledge to the students about the design and organization of a digital computer, operation of various functional units, instruction set design and factors that influence the performance of a computer.
- 2.To enable the students with the understanding of basic computer architecture with instruction set and programming of 8085 in particular.
- 3.To learn the functionality and interfacing of various peripheral devices.
UNIT-I
Basic Structure of Computers: Computer Types, Functional Units, Basic Operational Concepts, Bus Structures, Software, Performance, Multiprocessors and Multicomputers, Historical perspective.
Input/Output Organization: Accessing I/O devices, Interrupts, Processor examples, Direct memory access, Buses, Interface circuits, Standard I/O interfaces.
UNIT-II
The Memory System: Basic concepts, Semi conductor RAM memories, Read-Only memories, Speed, Size and Cost, Cache memories, Performance considerations, Virtual Memories, Memory management requirements, Secondary Storage.
UNIT-III
8085 Architecture: Introduction to microprocessors and microcontrollers, 8085 Processor Architecture, Internal operations, Instructions and timings. Programming the 8085 - Introduction to 8085 instructions, Addressing modes and Programming techniques with Additional instructions.
UNIT-IV
Stacks and subroutines, interfacing peripherals - Basic interfacing concepts, Interfacing output displays, Interfacing input keyboards. Interrupts - 8085 Interrupts, Programmable Interrupt Controller (8259A). Direct Memory Access (DMA) - DMA Controller (Intel 8257), Interfacing 8085 with Digital to Analog and Analog to Digital converters.
UNIT-V
Programmable peripheral interface (Intel 8255A), Programmable communication interface (Intel 8251), Programmable. Interval timer (Intel 8253 and 8254), Programmable Keyboard /Display controller (Intel 8279). Serial and parallel bus standards RS 232 C, IEEE 488.
Suggested Reading:
- 1.Carl Hamacher, Zvonko Vranesic, Safwat Zaky, Computer Organization, 5th Edition, McGraw Hill, 2002.
- 2.Ramesh S Gaonkar, Microprocessor Architecture, Programming, and Applications with the 8085, 5/E Prentice Hall, 2002.
- 3.Pal Chouduri, Computer Organization and Design, Prentice Hall of India, 1994.
- 4.M. M. Mano, Computer System Architecture, 3rd Edition, Prentice Hall,