Bachelor in Computer Application Part-II
Paper-XI (Introduction to Computer Organization)
Time: 3.00 Hrs. Full Marks: 80
Answer any five questions. All questions carry equal marks.
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1. Convert the following:
(1010010)2 to
(662)8 to Decimal number.
(9101)10 to its Binary equivalent.
(11000100110)8 to Hexadecimal equivalent.
2. Simplify the following Boolean function using Sum-of-Product form, by Karnaugh's map:
Σ 11, 12, 13). Also draw the circuit diagram for it.
3. What are multiplexers? Discuss 8x1 Multiplexer with its truth table and diagram. How
multiplexers are different from decoders? Explain.
4. Write a program in 8086 assembly language to add two numbers. Also draw an appropriate
flow chart for your program.
5. What are Flip-flops? Describe the S-R flip-flop and J-K flip-flop with the help of a logic
diagram.
6. Discuss various flags in 8086 microprocessor with the help of examples.
7. Simplify the following Boolean expression using K-map and also draw the logical circuit for
the simplified Boolean expression:
xyzw
8. What is ALU? Depict the structure of an ALU with the help of a diagram and explain its
working.
9. Explain the following:
Adders
D flip-flop
Don't care condition
10. Differentiate between the following:
SRAM and DRAM
Magnetic tape and Magnetic disk