2022 question paper
MICROPROCESSORS
24 questions
Q1a. How many flags does 8085 microprocessor has? (i) 4 (ii) 5 (iii) 6 (iv) 320222m
Module 1: Fundamentals of Microprocessors
View this question on its own page →How many flags does 8085 microprocessor has?
(i) 4
(ii) 5
(iii) 6
(iv) 3Q1b. Total bit addressable area in RAM of 8051 microcontroller is ____? (i) 8 bytes (ii) 4 bytes (iii) 16 bytes (iv) 32 bytes20222m
Module 2: The 8051 Architecture
View this question on its own page →Total bit addressable area in RAM of 8051 microcontroller is ____?
(i) 8 bytes
(ii) 4 bytes
(iii) 16 bytes
(iv) 32 bytesQ1d. 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) 4820222m
Module 3: Instruction Set and Programming
View this question on its own page →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) 48Q1e. 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=020222m
Module 3: Instruction Set and Programming
View this question on its own page →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=0Q1f. 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 (iii) All of the above (iv) None of the above20222m
Module 3: Instruction Set and Programming
View this question on its own page →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
(iii) All of the above
(iv) None of the aboveQ1h. The Abbreviation for ALE is: (i) Address Latch Enable (ii) Address Light External (iii) Address Latch Eternal (iv) None of the above20222m
Module 2: The 8051 Architecture
View this question on its own page →The Abbreviation for ALE is:
(i) Address Latch Enable
(ii) Address Light External
(iii) Address Latch Eternal
(iv) None of the aboveQ1i. The system program used to translate directly an assembly language to machine language is called: (i) Compiler (ii) Assembler (iii) Text editor (iv) Debugger20222m
Module 3: Instruction Set and Programming
View this question on its own page →The system program used to translate directly an assembly language to machine language is called:
(i) Compiler
(ii) Assembler
(iii) Text editor
(iv) DebuggerQ1j. How many interrupts signals exist in 8085? (i) 2 (ii) 3 (iii) 4 (iv) 520222m
Module 1: Fundamentals of Microprocessors
View this question on its own page →How many interrupts signals exist in 8085?
(i) 2
(ii) 3
(iii) 4
(iv) 5Q2a. What is embedded system? Explain the architecture of an embedded system with neat block diagram.20227m
Module 1: Fundamentals of Microprocessors
View this question on its own page →What is embedded system? Explain the architecture of an embedded system with neat block diagram.
Q2b. Explain the architecture of 8-bit microprocessor.20227m
Module 1: Fundamentals of Microprocessors
View this question on its own page →Explain the architecture of 8-bit microprocessor.
Q3a. Explain the indexed addressing and relative addressing in 8051 micro-controller.20227m
Module 3: Instruction Set and Programming
View this question on its own page →Explain the indexed addressing and relative addressing in 8051 micro-controller.
Q3b. Explain the various programming and debugging tools in 8051 micro-controller.20227m
Module 3: Instruction Set and Programming
View this question on its own page →Explain the various programming and debugging tools in 8051 micro-controller.
Q4. Show the results of the following: (i) ``assembly MOV A, #35H ANL A, 0FH ` (ii) `assembly MOV A, #04H ORL A, 03H ` (iii) `assembly MOV A, #54H XRL A, A ` (iv) `assembly CLR C MOV A, #26H RRC A ``202214m
Module 3: Instruction Set and Programming
View this question on its own page →Show the results of the following:
(i)
MOV A, #35H ANL A, 0FH(ii)
MOV A, #04H ORL A, 03H(iii)
MOV A, #54H XRL A, A(iv)
CLR C MOV A, #26H RRC AQ5a. Explain the different types of buses used in microprocessor.20227m
Module 1: Fundamentals of Microprocessors
View this question on its own page →Explain the different types of buses used in microprocessor.
Q5b. What is Subroutine? Explain the execution of Subroutine function.20227m
Module 3: Instruction Set and Programming
View this question on its own page →What is Subroutine? Explain the execution of Subroutine function.
Q6a. What do you mean by general purpose registers? Explain the various flags and status register in 8051.20227m
Module 2: The 8051 Architecture
View this question on its own page →What do you mean by general purpose registers? Explain the various flags and status register in 8051.
Q6b. List the various operations performed by the microprocessor.20227m
Module 1: Fundamentals of Microprocessors
View this question on its own page →List the various operations performed by the microprocessor.
Q7a. Explain in detail about the addressing modes of 8051. Use example instructions for proper explanation.20227m
Module 3: Instruction Set and Programming
View this question on its own page →Explain in detail about the addressing modes of 8051. Use example instructions for proper explanation.
Q7b. Explain the PSW flags and SFR's (Special function registers) of 8051 microcontroller and also write the type of SFR's.20227m
Module 2: The 8051 Architecture
View this question on its own page →Explain the PSW flags and SFR's (Special function registers) of 8051 microcontroller and also write the type of SFR's.
Q8a. Define "OPCODE" and "OPERAND" with example. What do you understand by instruction set. Write the 3 categories of data transfer instructions.20227m
Module 3: Instruction Set and Programming
View this question on its own page →Define "OPCODE" and "OPERAND" with example. What do you understand by instruction set. Write the 3 categories of data transfer instructions.
Q8b. Explain serial ports of 8051 microcontroller. Also discuss about registers used in serial communications.20227m
Module 5: External Communication Interface
View this question on its own page →Explain serial ports of 8051 microcontroller. Also discuss about registers used in serial communications.
Q9a. Write short notes on: Interrupts20227m
Module 2: The 8051 Architecture
View this question on its own page →Write short notes on: Interrupts
Q9b. Write short notes on: I/O Ports20227m
Q9c. Write short notes on: Timers/Counters20227m
Module 4: Memory and I/O Interfacing
View this question on its own page →Write short notes on: Timers/Counters