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Dr.A.P.J.Abdul Kalam University BCA VI SEM Microprocessor & Assembly Language Programming [BCA603T] Aug-Sep 2020 Question Paper

Dr.A.P.J.Abdul Kalam University Old Question Papers

Bachelor of Computer Application

Sixth Semester Main Examination, Aug-Sep 2020

Microprocessor & Assembly Language Programming [BCA603T]

Time: 3:00 Hrs Max Marks 50

Note : Attempt all questions. All questions carry equal marks.

Q.1 (a) Describe Architecture of 8085.

(b) How to organize CPU.


(a) Write various addressing modes.

(b) Write about Microprocessor.

Q.2 (a) Describe assembly language.

(b) Write about instruction & data follow?


(a) What do you mean by instruction of 8085?

(b) What do you mean by programming?

Q.3 (a) Write about memory ruler facing.

(b) What do you mean by address space partitioning?


(a) Write interfacing techniques with various I/O Devices.

(b) Discuss in brief about latches.

Q.4 (a) What is interfacing device.

(b) What is programmable peripheral 8155 & 8255?


(a) Write short note on buffer.

(b) Describe keyboard controller 8279.

Q.5 (a) Describe Microcontroller.

(b) List the 8085 Flags.


(a) Differentiate between Microprocessor and Microcontroller in detail.

(b) Write application of microcontroller.

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