Important RGPV Question
EC-501,Microprocessor and its Applications
V Sem, EC
UNIT 1
Q.1) Draw and explain the architecture of 8086 microprocessor. Mention the task performed by BIU and EU. (RGPV May 2023)
Q.2) Explain minimum mode of 8086 microprocessor Draw and discuss the timing diagram of memory read cycle in minimum mode for 8086 microprocessor. (RGPV May 2023)
Q.3) Describe the flag register of 8086 microprocessor. (RGPV May 2023)
Q.4) Draw and explain the block diagram of 0808/0809 ADC. How is A/D converter interfaced with 8086. Explain in detail. (RGPV May 2023)
Q.5) What are the advantages of memory segmentation? Explain with example, how physical address is formed in 8086? (RGPV Nov 2023)
Q.6) Draw the timing diagram for the execution of the following instructions: LXI H, 5000H; MVI A, FFH. (RGPV Nov 2023)
Q.7) Why is the 8086 memory organized in to two banks of even and odd address? Explain. (RGPV Nov 2023)
Q.8) Compare and contrast between RISC and CISC processors. (RGPV May 2024)
Q.9) Discuss the salient features of 80286 and 80386 microprocessors. (RGPV May 2024)
Q.10) Explain the register organization of 8086 microprocessor. (RGPV May 2024)
Q.11) Draw and discuss the read machine cycle timing diagram of 8086 in minimum mode. (RGPV May 2024)
UNIT 2
Q.1) What do you mean by addressing modes? Explain the addressing modes of 8086 microprocessor with example. (RGPV May 2023)
Q.2) Write an assembly language program for 8086 microprocessor to add two 16-bit numbers. (RGPV May 2023)
Q.3) Write an assembly language program for 8086 microprocessor to find the largest number in an array of 10 numbers. (RGPV May 2023)
Q.4) Discuss the different interrupts of 8086 micro processor. (RGPV May 2023)
Q.5) What do you mean by absolute and partial decoding? Interface 32 KB of RAM with 8086 microprocessors. (RGPV May 2023)
Q.6) What are the advantages of memory segmentation? Explain with example, how physical address is formed in 8086? (RGPV Nov 2023)
Q.7) Draw the timing diagram for the execution of the following instructions: LXI H, 5000H; MVI A, FFH. (RGPV Nov 2023)
Q.8) Why is the 8086 memory organized in to two banks of even and odd address? Explain. (RGPV Nov 2023)
Q.9) Give an overview of microprocessor 8086 instruction set. (RGPV May 2024)
Q.10) Explain various addressing modes of 8086 in detail. Also give suitable examples. (RGPV May 2024)
UNIT 3
Q.1) Draw and explain the block diagram of 8255 (Programmable Peripheral Interface) IC in detail. (RGPV May 2023)
Q.2) How to generate square wave using programmable parallel interface chip in BSR mode? Explain. (RGPV Nov 2023)
Q.3) How will you interface DAC chip to 8086 microprocessor and explain how it will read converted data? (RGPV Nov 2023)
Q.4) Describe the working of 8255 interfacing chip in BSR and I/O mode. (RGPV May 2024)
Q.5) Explain the ADC interfacing with 8086 microprocessor. (RGPV May 2024)
UNIT 4
Q.1) Draw and explain the block diagram of 8259A (Priority Interrupt Controller) IC in detail. (RGPV May 2023)
Q.2) Explain the mode-1 operation of programmable parallel interface chip when its port is working as a output port. (RGPV Nov 2023)
Q.3) Explain the functional block diagram of programmable timer chip. (RGPV Nov 2023)
Q.4) With functional block diagram, explain the operation and programming of 8253 in details. (RGPV Nov 2023)
Q.5) What do you mean by addressing modes? Explain addressing modes available in 8051 microcontroller. (RGPV Nov 2023)
Q.6) Write short notes on any two of the following: (RGPV Nov 2023)
a) Salient features of Pentium processor
b) USART
c) 8257 DMA controller
d) Interrupts
Q.7) Draw and discuss the functional block diagram of 8254 Programmable interval timer. (RGPV May 2024)
Q.8) What is DMA? Explain the working of DMA controller 8257. (RGPV May 2024)
Q.9) List the major components of the 8259A programmable interrupt controller and explain their functions. (RGPV May 2024)
Q.10) With the help of block diagram explain the working of 8251 USART. (RGPV May 2024)
Q.11) Explain the interrupts structure of 8051. (RGPV May 2024)
UNIT 5
Q.1) Explain the architecture of 8051 micro-controller with neat and clean diagram. (RGPV May 2023)
Q.2) Describe the hardware and software interrupts of 8051 microcontroller. (RGPV May 2023)
Q.3) Explain in detail about the SFR’s in 8051 microcontroller. (RGPV May 2023)
Q.4) Write short notes of any two: (RGPV May 2023)
a) Block diagram of 8254 (Programmable Interval Timer) IC
b) Rotate and swap instruction of 8051 microcontroller.
c) PSW register of 8051 microcontroller.
Q.5) If an 8051 microcontroller has on-chip and off-chip ROM, how are they accessed? Which pins/signals are used in accessing external program memory? Write the names of special function registers used in 8051 serial communication. Discuss the function of each in brief. (RGPV Nov 2023)
Q.6) Draw the pin diagram of 8051 microcontroller and explain the functions of each pin. (RGPV May 2024)
Q.7) What is an embedded system? Give the classification of embedded systems. (RGPV May 2024)
Q.8) What are the special functions registers of microcontroller 8051? (RGPV May 2024)
— Best of Luck for Exam —
