Jawaharlal Nehru Technological University, Hyderabad M.C.A-I Semester Supplementary Examinations July 2010 COMPUTER ORGANIZATION Question paper

Code No: 31002


Time: 3hours Max.Marks:60

Answer any Five questions

All questions carry equal Marks

1. a) How K-maps are used in simplifying Boolean expressions illustrate with an example.
b) Explain the complement of a function with an example and its logic diagram.

2. a) Explain the block diagram of full adder.
b) Explain about the JK flip flop.

3. a) Explain memory hierarchy in a computer system with neat diagram.
b) How many 128x8 RAM chips are needed to provide a memory capacity of 2048 bytes?

4. Explain the architecture of INTEL 8086µp.

5. a) Explain the logical operations of 8086 µp.
b) What are flags, explain the significance of flags in microprocessors.

6. a) Explain about the process control instructions.
b) Explain about assembler directives.

7. Explain in detail about:
i) Control memory. ii) Control address register
iii) Routine iv) Conditional branching.

8. a) Explain about I/O interface.
b) Compare and contrast between isolated I/O and memory mapped I/O.