Madras University (UnOM) 2009-2nd Sem B.Sc Computer Science , esterSubject: Digital Electronics & Microprocessor code: SAE2B - Question Paper

2-MARKS:
1) Mention the advantages of binary number system
2) Draw the 3 variable k-map
3) elaborate universal gates
4) Mention various kinds of shift registers
5) What is the role of a multiplexer
6) elaborate the components of a micro computer
7) Mention 2 applications of counters
8) elaborate addressing modes
9) Specify the role of assembler
10) elaborate subroutines
11) What is the BCD equivalent of decimal number 25
12) What is meant by interfacing

5-MARKS:
13) discuss the implementation of EX-OR function using NAND gate alone
14) discuss the half adder circuit with a diagram
15) describe the terms sequential and combinational logic.Give example for every
16) discuss the operation of D-flip flop
17) Compare microprocessors and micro computers.
18) What is a status register? Mentiom various status bits
19) discuss the need for interfacing of I/O divices.

10-MARKS:
20) discuss different basic logic gates with truth table
21) discuss the design of full adder circuit
22) discuss different 8085 addressing mode with examples
23) Write an assembly language program to implement 16-bit division
24) Write short notes on:
a) Vectored Interrupts
b) Binary to ASCII conversion

Earning:   Approval pending.