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MODEL TEST PAPER

MICROPROCESSOR AND MICROCONTROLLER

Unit – 1

1. a) Explain various types of buses.

b) What are encoders, buffers and latches.

OR

a) Explain logical diagram of 8085 in detail.

b) Differentiate between interpreter, compiler and assembler.

Unit – 2

2. a) Explain 8085 pin diagram in detail.

.

OR

a) Describe the various interrupts of 8085 in brief.

b) Explain CISC and RISC architecture.

Unit – 3

3. a) Explain various addressing modes with suitable example.

OR

a) Describe various instruction sets with proper examples of 8085.

Unit – 4

4. a) Explain the pin configuration of 8259.

OR

a) Draw pin diagram of 8279 and 8255.

Unit – 5

5. a) Explain pin configuration of 8051.

OR

a) Describe Timers and Interrupts of 8051along with various bit format of TCON,

TMOD and IE registers?

ALL THE BEST