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Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGINEERING SEMESTER IV • EXAMINATION SUMMER- 2017
Subject Code: 341101 Date: 03- 05 -2017
Subject Name: Microprocessor Assembly Language Programming
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. Each question carry equal marks (14 marks)
Q.1 Explain BUS structure of 8085 μp. 07
8085μp
Draw Explain the block diagram of 8085μp. 07
8085
Q.2 Explain instruction format of 8085 with example. 07
8085μp
Give classification of 8085 instruction based on its operation with
example.
07
8085μp


OR
Give classification of 8085μp instruction based on word size with example. 07
8085μp


Q.3 Explain different addressing modes of 8085μp instructions. 07
8085
Explain the Demultiplexing of AD0 to AD7 with diagram. 07
AD0 AD7
OR
Q.3 Draw timing diagram for MVI A,FFH instruction. 07
MVI FFH
Generate control signals.( M EM R M EM W IO R IO W 07
M EM R M EM W IO R IO W
Q.4 1. Define following terms
Instruction, T-State
2. Explain function of HOLD and HLDA pins in brief.
04
03


HOLD HLDA


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Write a program to multiply two 8 bit data whose answer may exceed 8bit.
07



OR
Q.4

1.Explain following instruction with detail.
DAA XRA
2.If Starting address of memory of 1KB (1024x8) is 7000H, and then what is
Ending address of that memory Chip?
04
03



DAA XRA
1KB (1024x8) 7000H




Write a program to transfer 5 data bytes from 5000H to 7000H.
07

7000H

Q.5

Write Short Note on RISC Processor.
07


RISC


Explain different types of memory.
07



OR
Q.5

Draw and Explain block diagram of Pentium processor.
07





Draw memory mapping structure for 512x8 Memory by using 256x8 chips with starting and ending address.
07

512 X 8 256X 8