BSc Sem VI 2014 2015 2015 Physics 2 Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q2 What are buffers? Why do we need bidirectional buffer? Explain working of IC - bidirectional buffer giving its logic diagram anda
   • (b) Attempt any ONE : Multiplexer? State its uses. Implement the followirig equation
2. Q2 What is ROM? State uses of ROM. Explain in brief the EPROM + (a) Attempt any ONE : 8 What is flag? Describe in brief the flag of 8085 microprocessor
3. Q2 What is an interrupt? State different of interrupt in reference with 8085. Describe in brief the TRAP interrupt,
   • (b) Attempt any ONE : 7 L_Write the instructions to: Load 00H in the accumulator
   • b. Decrement the of HT, pair Make Program to jump to C200H if Zero flag is set Add the contents cf DE to register pair, & Do not Perform any operation
4. Q2 Eroups of 8085 from data transfer an assembly langua numbers and store tWo 8-bit
   • Q.P. Code: 14490 series of ten bytes is stored in the memory starting from C100H. Write an assembly language program to arrange the series in ascending order Attempt any ONE : Sixteen data bytes are stored in consecutive memory locations starting from C100H. Write an assembly language program to count how of them are odd numbers. Store the result at memory location
5. Q2 List the operation modes of 8255 PPI. What is a control word? What is the purpose of contro] word written to control register What is the size of ports in 8255?
   • a) Attempt any ONE Give the general format of switch- case Explain with example how it works
6. Q2 Write a program in C++ that accepts a digit number X and finds the sum of the digits in it. If is other than a three digit integer, the program. display the message "input
   • b) Attempt any ONE : 7 Compare the for- loop and while-loop in C++ programming / Write programs to the odd integers between 1 and 50 using the while-loop with example the function declaration and the ttempt any THREE 6
   • i) Distinguish between low level language and high language between RAR and RRC instructions of 8085, Define the terms: instruction, opcode and operand White a note on general purpose registers in reference to 8085 Spot the errors in the following statements and write them Write a short note on break statement

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