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97SE105 Fundamentals of Digital Computer

 

 

UNIT I

 

Number Systems:  Decimal, Binary, Octal, Hexadecimal  - Conversion from one to another - Binary Addition, Subtraction, Multiplication   and Division  - Negative Numbers  - Use   of Complements to Represent Negative Numbers  - Binary   Number Complements  - Complements in other number systems.  Codes:  BCD weighted - Excess Three - Gray - Error Detection Codes.

 

 

UNIT II

 

Basic Logic Gates  - Basic Laws of Boolean Algebra  - Simplification of Expressions - De Morgan's Theorems - Derivation of a Boolean Expression - Sum of Products - Product of Sums - The Map Method for Simplifying Expressions - Sub cubes and Covering  - Don’t Care Conditions.

 

 

UNIT III

 

Arithmetic Logic Unit: Construction of ALU  - Integer Representation - Binary Half Adder - Full Adder - Parallel Binary Adder  - Full Adder Designs - Binary Coded Decimal Adder - Basic Operations - Shift Operation - Logical Operations - Multiplexers  - Demultiplexers.

 

 

UNIT IV

 

Flip-flops - Transfer Circuits - Clocks - Flip-flop Designs  - Gated Flip-flop - Master Slave Flip-flop - Shift Register  - Binary Counters - BCD Counters - Integrated Circuits  - Counter Design - State Diagrams and State Tables - Design of a Sequential Magnitude Comparator - Mealy Machines - Programmable Arrays of Logic Cells

 

 

UNIT V

 

Memory:  Random Access Memories - Linear Select Memory Organization - Decoders - Random Access Semiconductor Memories  - Static and Dynamic Random Access Memories - Read Only Memories  - Magnetic Disk Memories.  (Chap 6)

 

Input Output Devices - Punched Tape - Tape Readers - Punched Cards   - Character Recognition  - Keyboards  - Printers   - Interconnecting   System   Components  - Interfacing   Buses   - Interfacing a keyboard  - Interfacing a Printer  - Digital to Analog Converters - Analog to Digital Converters. 

 

 

Text Book:

 

"Digital Computer Fundamentals" - Thomas C.  Bartee, Tata McGraw Hill, 1996.