1.2 - FUNDAMENTALS OF COMPUTER SYSTEMS AND ORGANISATION



UNIT - I


Data Representation: Number System, Binary, Octal, Hexadecimal numbers and their conversions, positive and negative numbers 1’s - 2’s complement, real numbers, character codes - ASCII, EBCIC.

Building Blocks: Gates AND, OR NOT, NAND, NOR, XOR
Boolean Algebra - Laws of Boolean algebra, Duality, Truth Tables Derivations of Boolean Expression, SOP & POS.

Arithmetic Circuits - Half Adder, Full Adder Flip - flops, Registers, Multiplexer, Decoders Microprocessor Chip.

UNIT- II

Computer system organization: Processors,cpu, organization,memory, secondary memory I/O Devices,Interconnection of units - Processor to memory, I/O - memory, Processor,I/O communications,Interrupt structure.

UNIT - III

Control Unit: Fundamental description of hardware and micro programmed control unit.

Conventional Machines: Intel Family processor instruction formats and addressing modes. Types of instructions in assembly language. Flow control.

UNIT - IV

Operating System: Need for operation system. Functions of operating systems. Types of operating systems, Batch processing Multi programming, Time sharing, On - line, Real time operating systems, Virtual memory - paging, page replacements, segmentation, Assembly Process (2 - pass assembler), Loader, Linker, compiler and Interpreter.

UNIT - V

Computer & Communications: Need for communication, Goals/Uses of Computer Network, Types of Communications(Analog Digital) Physical communication Media LAN, WAN, MAN, features and topologies.

Suggested Readings:
1.Computer Organization and Design - Pal Chaudari.
2.Computer Organization - Mano.
3.Structured Computer Organization - Tanenbaum.