Indroduction To Microprocessor Question Paper of 3rd Semester BCA Download Previous Years Question Paper 7

Roll No.

Total No. of Questions : 07

BCA (Sem.–3rd)

INTRODUCTION TO MICROPROCESSOR

Subject Code : BC-305

Paper ID : [B0213]

Time : 3 Hrs.      

INSTRUCTION TO CANDIDATES :

1. Section-A is compulsory.

2. Attempt any Four questions form Section-B.

SECTION-A

Q.1. Write briefly:

a) Discus four applications of Microprocessor.

b) What is various status flags provided in 8085?

c) Draw a diagram of fetch cycle in 8085.

d) List limitations of 8-bit microprocessor?

e) How pipelining is achieved in Intel 8086?

f) What is the operation performed by the instruction CB W of 8086? Give an example for its use.

g) Differentiate memory mapped and program controlled I/O

h) What is the necessity of using chips like 8087 along with 8086 microprocessor?

i) What is the importance of arithmetic coprocessor?

j) Why DMA aces is faster method than other methods?

SECTION – B

Q.2. Draw the pin diagram of Intel 8085. Explain the requirement of program counter and stack pointer in the architecture of Intel 8085.

Q.3. Discus in detail about the interrupts system in Intel 8086. Explain the interrupt pointer.

Q.4.   (a) Discus the operation of 8284A clock generator.

          (b) Discus the operational command words in 8257 interrupt controller.

Q.5. Discus the concept of memory paging in Intel 8086.

Q.6. What is the use of DMA controller? Explain its operation with neat block diagram.

Q.7. Discus the concept of RISC and CISC processors.