Sikkim-Manipal University of Health Medical and Technological Sciences (SMUHMTS) 2009 B.C.A Computer Application BC0046- Microprocessor - Assignment s for fall session - Question Paper

August 2009
Bachelor of Computer Application (BCA) – Semester 3
BC0046 – Microprocessor – four Credits
(Book ID: B0807)
Assignment Set – one (60 Marks)


every ques. carries 6 marks 10 x six = 60

1. Convert the hexadecimal number BB895C to octal and Decimal.
2. Write an assembly program to obtain the Biggest among 2 numbers.
3. Explain the internal architecture of 8086.
4. Find the 2’s compliment of the word in AX without using NEG instruction.
5. Explain the concept of Linking and Relocation.
6. Write a sequence of instructions using string instructions wherever necessary to check whether a byte stored in AL is current in array of 10 bytes stored in the memory. Store the number of occurrences of the byte in register AH.
7. Draw a flowchart showing a block of N bytes are input to memory using Programmed IO, using a block transfer.
8. Explain 8284A clock generator.
9. Explain Conditional branch Instructions with example
10. Explain the pin diagram of 8087 numeric Data processor.


August 2009
Bachelor of Computer Application (BCA) – Semester 3
BC0046 – Microprocessor – four Credits
(Book ID: B0807)
Assignment Set – two (60 Marks)


every ques. carries 6 marks 10 x six = 60

1. Subtract the hexadecimal number 5634 from DAB7 using two’s complement addition method.
2. Write a program to convert a 2-digit BCD number into hexadecimal.
3. Explain various Condition flags available in 8086.
4. Write an assembly program to multiply a number by 4.
5. Write a sequence of instructions to exchange 2 register contents using stack.
6. Write a code segment to obtain the square of a byte available in register AL using XLAT instruction.
7. Explain Packed and unpacked BCD arithmetic.
8. Differentiate ranging from data coupling and control coupling
9. Explain the 8288 Bus controller.
10. Write a note on Virtual memory.

Earning:   Approval pending.