In this article we will provide solution of BEU question paper solution. Bihar engineering university Previous year solution is very important for exam. Here , we are providing BEU pyq solution of MICROPROCESSOR 2022. BEU pyq Electrical engineering solutions.
Q.1 Choose the correct option of the following (Any seven question only):
(a) How many flags does 8085 microprocessor has?
(i)4
(j) 5
(iii) 6
(iv) 3
(b) Total bit addressable area in RAM of 8051 microcontroller is?
(i) 8 bytes
(ii) 4 bytes
(iii) 16 bytes
(iv) 32 bytes
(c) Which output control signal is activated after every six oscillator periods while fetching the external program memory and almost remains high during internal program execution?
(i) ALE
(ii)PSEN
(iii) EA
(iv) All of the above
(d) What can be the oscillator period for the multiplication operation of A and B in accordance to 16-bit product especially in B:A registers?
(i) 12
(ii) 24
(iii) 36(iv) 48
(e) JNC stands for:
(i) Jump if no carry, jumps if CY = 0
(ii) Jump if carry, jumps if CY = 1
(iii) Jump if no carry, jumps if CY = 1
(iv) Jump if carry, jumps if CY =0
(f) PUSH and POP instructions are used to and respectively.
(i) Send the data from the stack, copy the data to the stack
(ii) Send the data to the stack, copy the data from the stack
All of the above
(iv) None of the above
(g) Which among the single operand instructions complements the accumulator without affecting any of the flags?
(i) CLR
(ii) SETB
(iii) CPL
(iv) All of the above
(h) The Abbreviation for ALE IS:-
(i) Address Latch Enable
(ii) Address Light External
(iii) Address Latch Eternal
(iv) None of the above
(i) The system program used to translate directly an assembly language to machine language is called
(1) Compiler
(ii) Assembler
(iii) Text editor
(iv) Debugger
(j) How many interrupts signals exist in 8085?
(i) 2
(ii) 3
(iii) 4
(iv) 5
2. (a)What is embedded system? Explain the architecture of an embedded system with neat block diagram.
(b) Explain the architecture of 8-bit microprocessor.
Q.3 (a) Explain the indexed addressing and relative addressing in 8051 micro-controller.
(b) Explain the various programming and debugging tools in 8051 micro-controller.
solution pdf is provided below
Q.4 Show the results of the following:
(i) MOV A, #35H
ANL A, OFH
(ii) MOV A,#04H ORLA, 03H
(iii) MOV A, #54H XRL A,A
(iv) CLR C MOV A,#26H RRC A
Q.5 (a) Explain the different types of buses used in microprocessor.
(b) What is Subroutine? Explain the execution of Subroutine function.
Q.6 (a) What do you mean by general purpose registers? Explain the various flags and status register in 8051.
(b) List the various operations performed by the microprocessor.
Q.7 (a) Explain in detail about the addressing modes of 8051. Use example instructions for proper explanation.
(b) Explain the PSW flags and SFR’s (Special function registers) of 8051 microcontroller and also write the type of SFR’s.
Q.8 (a) Define “OPCODE” and “OPERAND” with example. What do you understand by instruction set. Write the 3 categories of data transfer instructions.
(b) Explain serial ports of 8051 microcontroller. Also discuss about registers used in serial communications.
Q.9 Write short notes on any two of the following:
(i) Interrups
(ii) I/O Ports
(iii) Timers/Counters
BEU Microprocessor 2022 pyq solutions = Download
Also read =BEU power system 2022 question paper with solution