MCA Sem 6 June 2021 Subjective Question Paper MU

Q1] MCQ based Paper: 40 marks

Currently we don't have Questions of Q1

Q2] Solve any Four out of Six: 5 marks each

A) Write a program to copy the value 55H into RAM memory locations 40H to 41H using:

i. Direct addressing mode,

ii. Register indirect addressing mode without a loop, and

iii. with a loop.

B) Explain following ARM instructions:

i. AND R1, R1, #5

ii. LDR R0, [R2]

iii. EOR R1, R0, #1

iv. MVN R2, #05

v. ADD R2, R3, R3, LSL #2

C) Differentiate between RISC and CISC design.

D) Explain 8051 Assembler directives.

E) Draw and explain the interrupt structure of 8051.

F) Explain SWI instruction in ARM7 with example.

Q3] Solve any Two: 5 marks each

A) Explain Addressing modes of 8051 with example.

B) Explain Bit Addressable I/O Programming of an ARM processor.

C) Suppose a LED is Interfaced with P0,0 of ARM. Write an embedded C language program to blink this LED with certain delay. Software generated delay may be used.

D) Explain Addressing modes of ARM7 Processor with example in each.

E) Differentiate between Microprocessor and Microcontroller.

F) Draw and explain data flow model of ARM7.