University Of Pune Question Paper
S.E. (Ptg. Engg. & Commni. Tech.) (Semester – II) Examination, 2011
MICROPROCESSOR TECHNIQUES AND PERIPHERAL INTERFACE
(2003 Course)
Time : 3 Hours Max. Marks : 100
SECTION – I
1. a) Draw and explain the Block diagram of 8085 in detail. 10
b) Explain any four following pins of 8085 in detail. 8
TRAP ALE
RST 7.5 INTR
SID RESET
RESET OUT CLK
OR
2. a) Write short notes on : 10
1) IC 74245 2) IC 74138.
b) Differentiate between the following : 8
1) I/O Mapped I/O and Memory Mapped I/O
2) Software and Hardware interrupts.
3. a) Explain what operation will take place when the following instructions are
executed 8
PUSH
SHLD
LXI H
RST
b) Write an assembly language program to divide 8 bit number by 8 bit number
and store the result in memory. Draw flow chart. 8
OR
4. a) Draw and explain the timing diagram of MVI A, 80H. (Use graph paper). 8
b) Write a program to add the two numbers from memory location 7000 h to
2000 h. Store it at location 3000 h (Draw flowchart). 8
5. a) Draw and explain the flag register of 8085. Explain each flag in detail with
example. 8
b) Write an assembly language program to subtract two numbers, 06 and 09,
Assume suitable registers. 8
OR
6. a) What is the difference between JMP and CALL instruction ? Explain in detail
with example. 8
b) Explain the SIM and RIM instruction in detail. 8
SECTION – II
7. a) Explain I/O modes of 8255 in detail. 10
b) Draw and explain block diagram of 8155 in detail. 8
OR
8. a) Draw block diagram of 8279. Explain the interfacing with keyboard. 10
b) Draw and explain block diagram of 8259 in detail. 8
9. a) Draw and explain DMA controller chip 8257. Explain the advantages with
printing application. 8
b) Write short notes on : 8
1) Significance of SOD and SID pins
2) Asynchronous and Synchronous data transfer.
OR
10. a) Draw and explain block diagram of 8251 in detail. Explain its use in any
printing application. 8
b) Write short notes on : 8
1) RS 232C
2) RS 485.
11. a) Explain roller display using 8085. 8
b) Write short notes on : 8
1) Application of Microprocessor in printing technology
2) Stepper motor control using Microprocessor.
OR
12. a) Explain PLC in detail. State its application in printing technology. 8
b) Write short notes on : 8
1) Printer interface with 8085
2) Floppy disk controller.
—————––––––———
S.E. (Ptg. Engg. & Commni. Tech.) (Semester – II) Examination, 2011
MICROPROCESSOR TECHNIQUES AND PERIPHERAL INTERFACE
(2003 Course)
Time : 3 Hours Max. Marks : 100
SECTION – I
1. a) Draw and explain the Block diagram of 8085 in detail. 10
b) Explain any four following pins of 8085 in detail. 8
TRAP ALE
RST 7.5 INTR
SID RESET
RESET OUT CLK
OR
2. a) Write short notes on : 10
1) IC 74245 2) IC 74138.
b) Differentiate between the following : 8
1) I/O Mapped I/O and Memory Mapped I/O
2) Software and Hardware interrupts.
3. a) Explain what operation will take place when the following instructions are
executed 8
PUSH
SHLD
LXI H
RST
b) Write an assembly language program to divide 8 bit number by 8 bit number
and store the result in memory. Draw flow chart. 8
OR
4. a) Draw and explain the timing diagram of MVI A, 80H. (Use graph paper). 8
b) Write a program to add the two numbers from memory location 7000 h to
2000 h. Store it at location 3000 h (Draw flowchart). 8
5. a) Draw and explain the flag register of 8085. Explain each flag in detail with
example. 8
b) Write an assembly language program to subtract two numbers, 06 and 09,
Assume suitable registers. 8
OR
6. a) What is the difference between JMP and CALL instruction ? Explain in detail
with example. 8
b) Explain the SIM and RIM instruction in detail. 8
SECTION – II
7. a) Explain I/O modes of 8255 in detail. 10
b) Draw and explain block diagram of 8155 in detail. 8
OR
8. a) Draw block diagram of 8279. Explain the interfacing with keyboard. 10
b) Draw and explain block diagram of 8259 in detail. 8
9. a) Draw and explain DMA controller chip 8257. Explain the advantages with
printing application. 8
b) Write short notes on : 8
1) Significance of SOD and SID pins
2) Asynchronous and Synchronous data transfer.
OR
10. a) Draw and explain block diagram of 8251 in detail. Explain its use in any
printing application. 8
b) Write short notes on : 8
1) RS 232C
2) RS 485.
11. a) Explain roller display using 8085. 8
b) Write short notes on : 8
1) Application of Microprocessor in printing technology
2) Stepper motor control using Microprocessor.
OR
12. a) Explain PLC in detail. State its application in printing technology. 8
b) Write short notes on : 8
1) Printer interface with 8085
2) Floppy disk controller.
—————––––––———
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