B.C.A. DEGREE EXAMINATION, NOVEMBER 2017
Fifth Semester
Computer Application
COMPUTER SYSTEM ARCHITECTURE AND DESIGN
(CBCS 2011 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 X 2 20)
Answer all questions.
1. Convert AFb3 in to binary and octal numbers.
2. What is meant by over flow?
3. Write the micro operations for ADD to AC, and LDA.
4. What is an assembler?
5. Write the three types of notations for the equation
A .
6. What is meant by implied mode of addressing?
7. Draw the hardware for signed-magnitude addition and
substraction.
8. Write the purposes of a communication link in I/O
interface.
Sub. Code
1BCA5C2
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Wk 10
9. Draw the memory hierarchical diagram in a computer
system.
10. What is meant by bootstrap loader?
Part B 5 25)
Answer all questions, choosing either or
11. Explain about the instruction cycle.
Or
Describe the computer registers available in a
digital computer.
12. Explain the subroutines with an example.
Or
Explain the Input-Output configuration with a
block diagram.
13. Describe the stack organisation.
Or
Explain the general register organisation.
14. Explain the hardware algorithm of multiplication of
fixed point numbers.
Or
Explain the interrupt cycle.
15. Explain hit ratio and miss ratio.
Or
Explain the process of writing into cache memory.
AFC-10374
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Wk 10
Part C 10 30)
Answer any three questions.
16. Explain how the basic computer registers are connected
to a common bus.
17. Describe the logic and shift operations with example.
18. Describe single accumulator organisation.
19. Describe DMA data transfer with block diagram.
20. What is meant by virtual memory? Explain the memory
table for mapping a virtual address.
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