Punjab Technical University 2006-3rd Sem B.C.A Computer Application - INTRODUCTION TO MICROPROCESSOR - Question Paper

INTRODUCTION TO MICROPROCESSOR
BCA -305 , third Semester (2096)

Time: three hrs Max Marks:75

Note: Candidates are needed to attempt any 9 ques. from part B and part A will be compulsory.
Section A
1.
i. Give the block diagram of a microcomputer and differentiate ranging from the terms microprocessor and microcomputer.
ii. What is the difference ranging from SSI, MSI, LSI & VLSI?
iii. Give the list of Microprocessor-Initiated operations of 8085.
iv. How Risc architecture is various from Cisc?
v. Write instructions to store the contents of register B (32 H) in the memory location 8000 H using the opcodes:MOV, STAX and STA.
vi. What is the difference ranging from CPU working in real mode and protected mode?
vii. Give the block diagram of 8086 memory banks.
viii. How you will use and Interrupt to produce a real time clock in 8086.
ix. Explain the use of double indexed addressing mode of 8086.
x. Give 2 examples of logic control instructions in 8086.
xi. Give 2 examples of branch instructions in 8085.
xii. In what situation nonmaskable interrupt will be generated by 8086?
xiii. Explain the use of 8259A chip.
xiv. Why DMA access is faster method other than methods?
xv. What is the necessity of using chips like 8087 along with 8086 microprocessor?
(2x15)
Section B
2. Explain different kinds of data formats that the 8087 is designed to work with.
3. Draw and discuss the block diagram showing how a DMA Controller operates in a microcomputer system.
4. What are the steps involved in initializing an 8259A chip?
5. Discuss in brief about important 5 kinds of interrupts in 8086.
6. Explain in detail about arithmetic and program control instructions of 8086.
7. Draw the pin diagram of 8086 microprocessor.
8. Explain the working of 8086 in protected mode in detail.
9. How demand-paged virtual memory is useful in memory management of 8086 microprocessor?
10. Explain the Bus organization of 8085 in detail.
11. Write a short note on Instruction timings and operation status in 8085 microprocessor.
12. Explain in detail about Data Transfer Insructions of 8085.
13. The memory map of a 4096 byte memory chip starts at the location 2000H. Specify the address of the last location on the chip and the number of pages in the chip considering 8085 microprocessor.
(5x9)

Earning:   Approval pending.