FYBSC IT/CS DIGITAL ELECTRONICS / DLA
MOST IMP QUESTIONS
UNIT 1
CONVERT THE FOLLOWING :
(1051.36) DECIMAL TO OCTAL
(F9A.D5) HEX TO DECIMAL
SOLVE (111000.01) - ( 100111.00)
SOLVE (1010101) / (11)
SOLVE (727) OCTAL + (234) OCTAL
CONVERT 15 DECIMAL TO RADIX 3
CONVERT THE FOLLOWING IN BCD AND ADD THEM (11)+(9)
CONVERT THE FOLLOWING IN XS3 AND SUBSTRACT THEM (11)-(9)
CONVERT 17.DA HEX TO BINARY
CONVERT 110011.011 INTO DECIMAL
FIND GRAY CODE FOR DECIMAL NO 13
FIND BINARY NUMBER FOR GRAY CODE 1111
WHAT IS 1S COMPLIMENT EXPLAIN WITH EXAMPLE
WHAT IS 2S COMPLIMENT EXPLAIN WITH EXAMPLE
WHAT IS ANALOG OR DIGITAL SIGNAL
WHAT IS ERROR DETECTION & CORRECTION CODE
WHAT IS HAMMING CODE
7 BIT PARITY OF HAMMING CODE IS RECEIVED AS 111010 WRITE ITS CORRECT CODE
UNIT 2
REDUCE THE FOLLOWING BOOLEAN EXPRESSION BELOW
WX'(W+Y) + WY(W'+X)
PROVE THE FOLLOWING
A'BC + AB'C +ABC'+ABC = AB +AC +BC
MINIMIZE THE FOLLWING USING KMAP & MINIMUM GATES
F(ABCD) = ( 2,6,8,9,10,11,14,15)
MINIMIZE THE FOLLWING USING QUINE MCCLUSEY METHOD
F(WXYZ) = ( 2,6,8,9,10,11,14,15)
EXPLAIN ALL LOGIC GATES WITH DIAGRAM & TRUTH TABLE
REALIZE XOR GATE USING NAND GATES
STATE AND PROVE D MORGANS LAW.
UNIT 3
CONVERT 4 BIT GRAY TO BINARY DRAW THE NECESSARY KMAPS ,TRUTH TABLE AND DIAGRAMS .
EXPLAIN XS3 ADDER WITH CIRCUIT DIAGRAM AND TRUTH TABLE
EXPLAIN HALF ADDER WITH CIRCUIT DIAGRAM AND TRUTH TABLE
EXPLAIN FULL ADDER WITH CIRCUIT DIAGRAM AND TRUTH TABLE
EXPLAIN HALF SUBSTRACTOR WITH CIRCUIT DIAGRAM AND TRUTH TABLE
EXPLAIN FULL SUBSTRACTOR WITH CIRCUIT DIAGRAM AND TRUTH TABLE