8085 microprocessor questions and answers

1. What are the various registers in 8085?

Accumulator register, Temporary register, Instruction register, Stack Pointer, Program Counter are the various registers in 8085 .

2. In 8085 name the 16 bit registers?

Stack pointer and Program counter all have 16 bits.

3. What are the various flags used in 8085?

Sign flag, Zero flag, Auxillary flag, Parity flag, Carry flag.

4. What is Stack Pointer?

Stack pointer is a special purpose 16-bit register in the Microprocessor, which holds the address of the top of the stack.

Technical Interview Questions @cdac Placements

1. Design and Gate using Mux?
2. Explain about Linking (Dynamic & Static)?
3. Write a function to insert a node in the linked list for the given position ?
4. What are the methods to find out the stability of a system?
5. How to find the stability of the system using Poles?
6. Where should we use processes & where to use thread?
7. What are the disadvantages of using array?
8. Explain the advantages of threads over processes?

Digital electronics videos by Nptel

Lecture - 1 Introduction to Basic Electronics

Cognizant[CTS]_Technical_Interview questions

What is Embedded System, OS?
What is the use of stack?

Interface 8051 with LED ckt diagram?

What about bit fields?

Difference structure and union?

Example of size of structure?

How interrupts get executed?

Why we need an os?

What is void pointer & how to use void pointer?

How we will find Dead Locks in our system?

What is segmentation?

What are the segments present on 8086?

What is average waiting time?

What is priority inversion?

What is simulator and emulator & difference b/w them?

Size of integer pointer and char pointer?

HoneyWell_interview_Questions

1.       What is Opps?

2.       How encapsulation is achieved?

3.       Explain about polymorphism, W.r.t Runtime & Compile time?

4.       What is Multiple Inheritance & Multilevel Inheritance ?

5.       What is friend function?

6.       What is operator overloading?

7.       What is diamond problem?

8.       What is object slicing?

9.       Explain about RTTI & Typeid?

10.   Explain about Copy Constructor? With syntax.

11.   What about Vtable , Vptr?

LG soft india_Interview_Technical

1.       Do you know Data Structures?

2.       What is difference b/w C & C++?

3.       What is polymorphism?

4.       What is pure virtual function?

5.       Given some elements, find the x element in that list using Binary Search?

6.       Write a program for circular Queue?

7.       Write a program for Circular Linked List?

HoneyWell_interview_Questions

1.       Explain about object slicing & object splitting?

2.       Difference b/w C complier & C++ complier?

3.       How complier knows it should call, single argument function (it does not know how many arguments you are passed away)?

4.       Explain about polymorphism (overloading & overriding)?

5.       What is name handling & regarding name handler?

6.       Explain about associates & composition?

7.       Spectrum of electromagnetic frequency ranges?

8.       What is modulation?

Cognizant[CTS]_Technical_Interview questions

1. Explain about OSI layer ,TCP/ip layers & each layer functionalities?
2. Difference between UDP & TCP with examples?
3. Write a program for prime number?
4. What is binary tree?
5. When we are downloading a video from youtube, which protocol it is using?
6. What are pre processor directives ? and diff b/w  #define & typedef ?
7. Explain about storage classes with examples?
8. Linked list  (Inserting, deleting  node)
9. Explain about argcount &argv with examples ?
10. Difference b/w malloc & calloc?

HoneyWell_interview questions

1. What is device driver?

.should be able to explain any one fo the driver programs done in the lab?

2. Difference b/w Microprocessor and micro controller?
3. Write the block diagram and Pin diagram of 8051?
4. Difference types of lock? Explain spin lock, semaphores& mutex?

.which lock is best & why?

5. different kinds of IPC Mechanisms?
6. explain about storage classes ,with examples?
7. what are the oops concept?

HoneyWell_interview_Questions

1. Explain Linux kernel?
2. What are the different types of schedulers?
3. Explain difference types of scheduling algorithms?
4. What is diff b/w the GPOS & RTOS?
5. Diff b/w structure and union?
6. What is volatile?
7. How C program is stored in RAM? What are the sections in it?
8. Is Heap memory is upward growing or downward growing?
9. Explain about your project?
10. Explain about RS232?                                                       

Cdac- R&D _interview Questions

1. Compilation steps
2. Static Linkages and Dynamic’s Linkages.
3. Booting steps in embedded systems.
4. Register windowing, why it is used?
5. SPI, it modes, how it works?
6. Difference b/w .obj files and .exe files?
7. What is shared libraries?
8. About encapsulation, virtual functions in C++?
9. Difference between C and C++?
10. Difference between arrays and linked list?                                     

HoneyWell_interview questions

1. There is a thermometer which can measure -100⁰C to 100⁰C. Test that thermometer for some values. What are those values, were would it fall?

2. What is a device driver?

3. What is ROTS, name some Rtos and difference b/w Hard Real Time OS & Soft Real Time OS?

4. What is clipper?

5. Draw the symbol of Zener diode?

6. What is flip-flop? Draw S-R flip flop?

7. What are Multivibrators, How can we make them?

8. What is Major Id – Minor Id Device Drivers?

9. What type of scheduling is done in windows?

10. What is Preemptive Scheduling?

11. Write a C-program for stack?

12. What is namespace?

13. What is function overloading?

14. What is Inline function?

15. What is header file?

16. How would static and local variables behave when Main is called recursively?

17. How Kernel works, take an example and explain?

18. Why do want to join honey well?

19. If I give you .Net & DBMS would you join ?

20. GD-Topic-Are Engineers wasting time in Management studies?

............ Submitted by Ashwin_HoneyWell_DESD_AUG_10

HoneyWell_interview questions

1. introduction your self
2. what is your rate in C,C++
3. Explain about storage classes
4. difference between break and continue
5. A=5,B=3,        C=a&bè

                  C=A||bè

                                    C=A^bè

6. He given one simple prgm tell me output

            Int i=6

If (i=5)

{ printf(“hi”)

}         

Else

{

Printf(“bye”)

}

7. Functon pointers Array of pointers
8. Difference between microprocessor and microcontroller or not how to interface ADC to microcontroller
9. what is generator, principal of generator
10. what is op-amp, Advantage of op-amp
11. design 555 timer using op-amp
12. polymophsim in C++

LG soft india_interview

• If there is array with 10,000 elements, find out whether given element is present in array or not? Write worst case and best case pr gm?
• what do you know about binary search
• 
  
• what is object oriented
• 
  
• what is difference between C and C++
• 
  
• what do you know about testing
• 
  
• what are types of testing
• 
  
• write a C prgm to search element in a given array
• 
  
• what do you know about file operation
• 
  
• what sorting algorithms you know
• 
  
• what is inheritance
• 
  
• what do you know about SQL
• 
  
• File handling operation

              .................................................Submitted by                   RajaSekhar_Febicom_DESD_AUG_10

Mind tree interview Questions

   

1. Tell me about your self
2. Explain about 
1. Function pointers
2. call backs
3. compilation process
3. how malloc works

char *ptr  (char*)(malloc(100))

free(ptr);

                  how free knows that it has to deallocate 100Bytes

6. how sizeof(x) id implemented
7. programs related to strings

1. string reverse with out temp array
2. string copy
3. concatenate string *int & return string

         eg: “hellop”10;

                return hello10 as sting