THIRD
SEMESTER COMPUTER SCIENCE SYLLABUS
DIPLOMA COMPUTER SCIENCE DIGITAL COMPUTER
PRINCIPLES REVISION-06 SYLLABUS
UNIT-1
1.UNDERSTAND THE VARIOUS NUMBER SYSTEMS
*Explain binary,octal ,decimal and Hexadecimal number systems
*Convert decimal nos.to binary,octal and Hexadecimal and vice versa
*Convert binary to octal,binary to hexadecimal,octal to binary,octal
to Hexadecimal,hexadecimal to binary,Hexadecimal to octal
*Perform binary addiction,substraction,multiplication and division
*Perform octal and hexadecimal arithmetic
*Write 1’s complement and 2’s complement for a binary number
*Perform binary subtraction using 1’s and 2’s complement
2.UNDERSTAND BINARY CODES
*Discuss the BCD,gray,ASCII,EBCDIC,Excess 3.2421,84-21,biquinary,card code
*State the concept of parity bit for error detection
*Explain the odd and even parity methods
*Explain Hamming code method of single bit error correction
*Define Beolean function
*State the postulates of Boolean algebra
*State the basic theorems in Boolean algebra
*State and prove De-Morgan’s Law
*State the need of truth tables
*Draw the truth tables for functions
*Explain the sum of product and product of sum forms
*Simplify equations using K maps up to 4 variables
*State the don’t care condition
*Develop simplified logic circuits for a given problem
UNIT-2
1.UNDERSTAND COMBINATION CIRCUITS AND LOGIC
FAMILIES
*Define combination circuits
*Explain basic gates AND,OR,NOT with truth tables
*Realize functions using basic gates
*Explain NAND,NOR and XOR gates with truth tables
*Develop AND,OR gates using NAND NOR gates
*Realize the functions using NAND,NOR and XOR gates
*Design BCD to excess-3 code converter
*Design BCD to seven-segment code converter
*Design half adder and full adder(AND-OR,NAND-NAND)
*Explain 3 bit and 4 bit magnitude comparator.
*Define decoder and encoder
*Design 3-8 line decoder using AND gates
*Design 8-3 line encoder using OR gates
*Define multiplexer/Demultiplexer
*Draw the block diagram of a multiplexer
*Construct logic for 8-to-1 line MUX
*List the applications of multiplexer
*Draw block diagram of Demultiplexer
*Construct logic circuit of 1-to-8 line de-multiplexer
*Implement combinational circuit for 8 input logic function using MUX
UNIT-3
1.UNDERSTAND SEQUENTIAL CIRCUITS
*Define sequential circuits
*State the use of clock in sequential circuits
*Distinguish between combinational and sequential circuits
*State the basic principle of flip flops
*Illustrate how flip flop acts as a memory device(using NAND & NOR
gates)
*Draw the block diagram and truth table of RS and D latches
*Draw the block diagram and truth table of JK and T Flip Flop
*Define edge triggering
*Discuss about preset and clear inputs
*Discuss the Race around condition
*State the need of master-slave flip flops
*Describe briefly the working of master-slave JK flip-flops
*List the different types of registers
*Draw the block diagram of Serial in serial out shift register and explain
*Draw the block diagram of serial in parallel out shift register and
explain
*Understand binary counters
*List the different types of counters
*Differentiate between synchronous and asynchronous counters
*Draw the circuit diagram of an asynchronous ripple counter and explain
with the wave forms and state table
*Define modulo-n counter
*Design modulo-n counters using T Flip flop and JK flip flops
*Design up-down counters
UNIT-4
1.UNDERSTAND D TO A AND A TO D CONVERTERS
AND MORE LOGIC CIRCUITS
*Define accuracy
*Define resolution
*Calculate accuracy and resolution for DAC
*Draw the block diagram of simple binary weighted DAC
*Explain simple binary weighted DAC
*Explain briefly R-2R ladder type network for DAC
*Define ADC
*Define & calculate resolution for ADC
*Theory and block diagram of counter-ramp type ADC
*Draw the block diagram of successive approximation ADC
*Explain briefly successive approximation ADC
*List the advantages and disadvantages of SA-ADC
*Draw the block diagram of linear Ramp ADC(single slop
type)
*Explain briefly linear ramp ADC(single slop type)
*List the advantages and disadvantages of linear ramp ADC(single slop
types)
*Draw the block diagram of Flash converter
*Explain briefly flash converter
*List the advantages and disadvantages of Flash converter
UNIT-5
*Define RAM and ROM
*Draw the block diagram of RAM
*State the steps to read and write operations in RAM
*Explain static RAM with a neat circuit diagram
*Draw logic diagram and symbol of static RAM bit slice model
*State the advantages of DRAM
*Draw logic diagram and symbol of DRAM bit slice mosel
*Draw the block diagram of ROM
*Explain ROM design using diodes
*Explain internal logic of 32 x 8 ROM
*Using a circuit diagram explain ROM programming using decoder
*Design Combinational circuit implementation using ROM
*Define programmable Logic Array
*Design PLA with 3 input and 2 output