Tuesday, December 29, 2020

8085 Microprocessor sample question set Gaonkar Chapter 5

 Gaonkar Chapter  5


1. IN and OUT instruction timing diagaram

2. Chip selection

8085 Microprocessor sample question set Gaonkar Chapter 4

 Gaonkar Chapter  4


1. Multiplexed Address Bus

2. Use of ALE

3. Control and status signal

4. How clock is generated in MP?

5. Demultiplexing the AD bus diagram

6. Timing diagram of differen machine cycle

7. IR regesiter function

8. Register arrays

9. Memory interfacing

10. Absolute decoding, Partial decoding


8085 Microprocessor sample question set Gaonkar Chapter 3

 Gaonkar Chapter  3


1. Instruction cycle

2. Fetch,decode,execute cycle

3. Machine cycle

4. T-states

5. Data bus, Address Bus, Control Bus

6. Unidirectional bus, Bidirectional bus

7. Memory map and address

8. Memory mapped i/o,i/o mapped i/o or isolated i/o ( comparison)

9. Buffer, tristate buffer, bidirectional buffer

10. Priority encoder


8085 Microprocessor sample question set Gaonkar Chapter 2

 Gaonkar Chapter  2


1. Different registers

2. Flag registers

3. PC and SP

4. Word size of microprocessor

5. Opcode format

6. One byte ,two byte, three byte instruction

7. How does microprocessor differentiate data and instruction code?


8085 Microprocessor sample question set Gaonkar Chapter 1

 8085 Microprocessor sample question set

Gaonkar Chapter 1


1. How does the microprocessor works?

2. Instruction set.

3. Microcontroller defination,difference with microprocessor.

4. Monitor program

Tuesday, December 15, 2020

18. WAP to display Fibonacci series (i)using recursion, (ii) using iteration

 18. WAP to display Fibonacci series 

(i)using recursion, 

(ii) using iteration




19. WAP to calculate Factorial of a number (i)using recursion, (ii) using iteration

 19. WAP to calculate Factorial of a number (i)using recursion, (ii) using iteration





20. WAP to calculate GCD of two numbers (i) with recursion (ii) without recursion.

 20. WAP to calculate GCD of two numbers (i) with recursion (ii) without recursion.





17. Given two ordered arrays of integers, write a program to merge the two-arrays to get an ordered array.

 17. Given two ordered arrays of integers, write a program to merge the two-arrays to get an ordered array.




16. Write a menu driven program to perform following operations on strings: a) Show address of each character in string b) Concatenate two strings without using strcat function. c) Concatenate two strings using strcat function. d) Compare two strings e) Calculate length of the string (use pointers) f) Convert all lowercase characters to uppercase g) Convert all uppercase characters to lowercase h) Calculate number of vowels i) Reverse the string

 16. Write a menu driven program to perform following operations on strings: 

a) Show address of each character in string 

b) Concatenate two strings without using strcat function. 

c) Concatenate two strings using strcat function. 

d) Compare two strings 

e) Calculate length of the string (use pointers) 

f) Convert all lowercase characters to uppercase 

g) Convert all uppercase characters to lowercase 

h) Calculate number of vowels 

i) Reverse the string