Digital Electronics Question Bank

PART-B:
1. i)Convert ABC Binary to Hexadecimal ? (2)
ii) Convert (329.678)10 to an equivalent number in base 6 having a conversion error
less than .001. (4)
iii) Design a parity generator to generate an odd parity bit for a 4-bit word. Use
EXOR and EX-NOR gates. (8)
2. a. Explain logic operations with NAND Gates? (8)
b. Explain Multilevel NAND Gates? (8)
3. a. Explain Implementation of NOR Gates ? (8)
b. Explain AND- OR Invert Implementation (8)
4. a. Explain BCD Code with Examples (6)
b. Explain Excess 3 Code with Examples? (6)
c. Convert the number (28) Decimal to Excess 3 Code (4)
5. a. List out the Procedure for converting Binary to Gray Code (4)
b. Convert the number (1011) binary to gray? (4)
c. Explain 7 - Bit ASCII Code? (8)
6. Convert the number (111111) binary to decimal? (2)
7. Convert the number (83) octal to Decimal? (2)
8. Convert the number (34891) Decimal to octal? (2)
9. Convert the number (6725) octal to binary? (2)
10. Convert the number (1011010101) binary to octal? (2)
11. Convert the number (4608) decimal to Hexadecimal? (2)