on Important C interview questions with answers
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- C Interview Questions and Answers What is C language? The C programming language is a standardized programming language developed in the early 1970s by Ken Thompson and Dennis Ritchie for use on the UNIX operating system. It has since spread to many other operating systems, and is one of the most widely used programming languages.
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Home » C PROGRAMMING Interview Questions » 300+ TOP C Programming Interview Questions and Answers pdf C Introduction:- C is a general-purpose computer programming language developed between 1969 and 1973 by Dennis Ritchie at the Bell Telephone Laboratories for use with the Unix operating system.
Learning C Language is the first important step that a science student take in the journey of their education. C language comprises of several small programs to even much large programs which can be learn easily. C language has been told as an easy language of learning and the programming concept in the world of computers. Different questions based on C programming are the hot topics and most asked questions that every interviewer asked during the recruitment of any organisation. Lets have a look over C interview questions with answers that has been asked in the various technical interviews-C Language roleC Interview questions with answers1. What is a pointer?
A pointer is a special variable, which stores the memory address. The ‘ampersand' denoted by ‘&' and the ‘dereferencing' factor denoted by ‘*' are the necessities of pointers. Ampersand in front of a variable gets its address and asterisk in front of a pointer gets its value.
2. What is null pointer?
Null pointer is a pointer which cannot point to anywhere in the program, but uninitialised pointer can point to anywhere in the users program. In C, if the pointer tried to access 0th location, operating system kills the running program because operating system does not allow to access 0
3. Define function pointer?
4. What is volatile variable?
5. Difference between global and static variable?
6. What are the files automatically opened when C file is executed?
7. Compare between array and pointer.
8. Define function prototype?
9. Where the function pointers can be used?
10 What do you mean by #include?
In C, the hash function # tells the compiler that a statement should be sent to the C preprocessor. The include looks after the new files and replace the contents of those files. and stdio.h will be valid only for the printf, scanf functions.
Please give your valuable feedback. Any type of suggestion will be highly appreciated
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About the Author: saarika Singh
I am an Educationist at oureducation.in. I have overall 6 years of experience in the Education Industry. I guide people for the choice of thr Right Career Path as per their Interests. I write many articles, blogs to make people aware of any kind of education they are looking For.Tell us Your Queries, Suggestions and Feedback
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ReplyAnonymoussays:at ReplyAnonymoussays:at ReplyNanndhinisays:atBE(ECE)
ReplyNanndhinisays:atBE(ECE)
ReplyNanndhinisays:atBE(ECE)
ReplyNanndhinisays:at ReplyAzhahesansays:atBE computer science
ReplyRia Roy says:atDifferentiate between mallow and calloc function
ReplyTARA KUMRIsays:atI Want basic interview questions of c, c++,java. I am a fresher candidate. So i have no idea about that.
ReplySindhu Kumarisays:atguide me the questions which will be asked in tcs written
Replyveerasays:ati want detailed explained of pointers in c language
can you send it to my above mentioned mail
i want detailed explained of pointers in c language
can you send it to my above mentioned gmail
Dr Mahalingam college of engineering and technology
ReplySHAIK KALESHAsays:atB.TECH ( COMPUTER SCIENCE ENGINEERING ),PASSOUT : 2015 , PERCENTAGE : 67
Replyshaik.chandhinisays:ati have complited my B.tech i am learning .net course …. but i have no complite knoledge in c . i have know little bit basic about c …my query is whenever i attend an interview on .net that time interviewer asks about c quesions are not .
ReplyAvinash Hari Patilsays:atI am last year engineering student, But I cant decide which is best field for my future as per knowledge
ReplyRAVI BHARTIsays:athow i prepare myself for technical interviews round
ReplyAratrika Senguptasays:atWhen dreaming for Software companies, C is one of the necessity to have a grip on. Thus this questions if not totally but will help you know the type mostly seeked by the interviewers.
ReplyAnjali Dreamgirlsays:atThese are basic interview questions which are being asked so practice this.
ReplyArpita Sardarsays:atI think it will be helpful for those people who want to take preperation for an interview that is mainly based on C Language…
Reply« COOLEST JOBS IN INDIADBMS Interview Questions with Answers »
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Best Books for IAS MainsTop IAS Coaching in MumbaiTop IAS Coaching in TelanganaAbout us
OurEducation is an Established trademark in Rating, Ranking and Reviewing Top 10 Education Institutes, Schools, Test Series, Courses, Coaching Institutes, and Colleges.Popular Posts
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C# is a programming language that has been rapidly growing and is being intensively used. It can be used for a number of operating systems such as Windows, iOS, Android, etc. C# is a simple, modern and object-oriented language. Some of the particular syntax used in C# are semicolons, curly brackets, variables (two variables are assigned with the help of an equal sign) and square brackets.
It has a number of advantages and is very user-friendly which makes it one of the most used programming languages in the IT firms. Thus, a number of multinational companies these days are looking for individuals to help them grow in their organization. Thus, such companies ask a diverse range of C# interview questions to not only freshers but also experienced individuals wishing to display their talent and knowledge in the field of C# programming. Here are some important C# interview questions that will not only give you a basic idea of the field but also help to clear interview on advanced c# questions.
Download C# Interview Questions PDFBelow are the list of Best C# Interview Questions and Answers
4. What is volatile variable?
5. Difference between global and static variable?
6. What are the files automatically opened when C file is executed?
7. Compare between array and pointer.
8. Define function prototype?
9. Where the function pointers can be used?
10 What do you mean by #include?
In C, the hash function # tells the compiler that a statement should be sent to the C preprocessor. The include looks after the new files and replace the contents of those files. and stdio.h will be valid only for the printf, scanf functions.
Please give your valuable feedback. Any type of suggestion will be highly appreciated
Download C interview questions and answers in pdf Interview Question and Answers on C
Related Post
C Aptitude Questions and Answers with pdf
Interview Questions and Answers on C
C, C++ Aptitude Question Papers
C Aptitude Questions Papers
About the Author: saarika Singh
I am an Educationist at oureducation.in. I have overall 6 years of experience in the Education Industry. I guide people for the choice of thr Right Career Path as per their Interests. I write many articles, blogs to make people aware of any kind of education they are looking For.Tell us Your Queries, Suggestions and Feedback
nansays:atsddd
ReplyAnonymoussays:at ReplyAnonymoussays:at ReplyNanndhinisays:atBE(ECE)
ReplyNanndhinisays:atBE(ECE)
ReplyNanndhinisays:atBE(ECE)
ReplyNanndhinisays:at ReplyAzhahesansays:atBE computer science
ReplyRia Roy says:atDifferentiate between mallow and calloc function
ReplyTARA KUMRIsays:atI Want basic interview questions of c, c++,java. I am a fresher candidate. So i have no idea about that.
ReplySindhu Kumarisays:atguide me the questions which will be asked in tcs written
Replyveerasays:ati want detailed explained of pointers in c language
can you send it to my above mentioned mail
i want detailed explained of pointers in c language
can you send it to my above mentioned gmail
Dr Mahalingam college of engineering and technology
ReplySHAIK KALESHAsays:atB.TECH ( COMPUTER SCIENCE ENGINEERING ),PASSOUT : 2015 , PERCENTAGE : 67
Replyshaik.chandhinisays:ati have complited my B.tech i am learning .net course …. but i have no complite knoledge in c . i have know little bit basic about c …my query is whenever i attend an interview on .net that time interviewer asks about c quesions are not .
ReplyAvinash Hari Patilsays:atI am last year engineering student, But I cant decide which is best field for my future as per knowledge
ReplyRAVI BHARTIsays:athow i prepare myself for technical interviews round
ReplyAratrika Senguptasays:atWhen dreaming for Software companies, C is one of the necessity to have a grip on. Thus this questions if not totally but will help you know the type mostly seeked by the interviewers.
ReplyAnjali Dreamgirlsays:atThese are basic interview questions which are being asked so practice this.
ReplyArpita Sardarsays:atI think it will be helpful for those people who want to take preperation for an interview that is mainly based on C Language…
Reply« COOLEST JOBS IN INDIADBMS Interview Questions with Answers »
Must Read
Best IAS Coaching in Delhi- Best IAS Coaching in Hyderabad Best IAS Coaching in AllahabadBest IAS Coaching in Bangalore Top IAS Coaching in ChennaiBest IAS Coaching in KolkataBest IAS Coaching in PatnaIAS PDF NotesC Interview Questions And Answers For Experienced Pdf Format
Best Books for IAS MainsTop IAS Coaching in MumbaiTop IAS Coaching in TelanganaAbout us
OurEducation is an Established trademark in Rating, Ranking and Reviewing Top 10 Education Institutes, Schools, Test Series, Courses, Coaching Institutes, and Colleges.Popular Posts
Top IAS Coaching in DelhiTop IAS Coaching in KolkataTop IAS Coaching Institutes in HyderabadTop IAS Coaching Institutes in BangaloreTop IAS Coaching in IndoreBest IAS Coaching Institutes in CoimbatoreBest IAS Coaching in VijayawadaTop IAS Coaching Institutes in AllahabadBest IAS Coaching in ChandigarhBest IAS Coaching Institutes in MumbaiBest PCS Coaching in ChandigarhBest IAS Coaching in BhopalBest IAS Coaching in SuratArticles on UPSC Exam Preparation
IAS Preparationwhen to Start IAS Exam preparationHow to Prepare for the UPSC CSE ExamUPSC Exam SyllabusTips and Tricks to Crack the IAS ExaminationQuick Links
Best Coaching Institutes Colleges RankAbout UsAdvertisement PolicyDisclaimerContact UsSitemap© 2020 Our Education | Best Coaching Institutes Colleges Rank | Best Coaching Institutes Colleges Rank
C# is a programming language that has been rapidly growing and is being intensively used. It can be used for a number of operating systems such as Windows, iOS, Android, etc. C# is a simple, modern and object-oriented language. Some of the particular syntax used in C# are semicolons, curly brackets, variables (two variables are assigned with the help of an equal sign) and square brackets.
It has a number of advantages and is very user-friendly which makes it one of the most used programming languages in the IT firms. Thus, a number of multinational companies these days are looking for individuals to help them grow in their organization. Thus, such companies ask a diverse range of C# interview questions to not only freshers but also experienced individuals wishing to display their talent and knowledge in the field of C# programming. Here are some important C# interview questions that will not only give you a basic idea of the field but also help to clear interview on advanced c# questions.
Download C# Interview Questions PDFBelow are the list of Best C# Interview Questions and Answers
1) What is C#?
C# is a programming language which is object-oriented developed by Microsoft. C# is designed and fabricated for a Common Language Infrastructure that constitutes an executable code and runtime, which allows the usage of different high – end languages for different platforms and design.
2) Define a class and an object.
A class is an example of properties and techniques that utilize and characterize a continuous substance. It can represent information that unites each illustration into a single component. An Object is a sub-occurrence of a Class. In fact, it is only a square of memory assigned that can be put away as Variables, Array or a Collection.
3) List the fundamental OOP concepts.
The fundamentals of an OOP concept are:
- Encapsulation: The internal portrayal of the object is concealed from the predators view from the definition of the object. Only the information that is required can be retrieved whereas the rest of the data is kept hidden.
- Abstraction: It is a procedure of distinguishing the basic conduct and information of an object and disregarding the insignificant details.
- Inheritance: It is the ability to make new classes from a different class. It is carried out by retrieving, altering and broadening the conduct of the objects in the parent class.
- Polymorphism: It implies one name with numerous structures. It is accomplished by having numerous techniques with a similar name with dissimilar usage.
4) Enlist the different types of classes in C#.
The four types of classes in C# are:
- Partial class: Allows its associates to be separated or shared with different.cs documents. It is indicated by the keyword 'Partial'.
- Sealed class: It is a class, which cannot be acquired. To get to the member from a fixed class, we have to make the object of the class. It is indicated by the keyword 'Sealed'.
- Abstract class: It is a class where the object cannot be instantiated. This class can be acquired; however, it should have at least one technique. It is indicated by the keyword 'conceptual'.
- Static class: It is a class, which does not permit legacy. The members of the class are additionally static. It is indicated by the keyword 'static'. This keyword advises the compiler to check for any unplanned instances in the static class.
5) List the steps in code compilation in C#.
The four steps involved in code compilation in C# are:
- Compilation of the source code by a C# compiler into the code.
- Compilation of the newly generated code into the assemblies.
- Loading of the common language runtime.
- Execution of the assembly by the common language runtime.
6) Explain the process of Abstraction with an example
Abstraction is the process that is used to highlight an important feature of the class that can hide the irrelevant information.
For example – A driver of a car ought to know the details of the car such as its brand name, color, gear, brake, etc. However, the information that is not of importance to him are details of the car such as the exhaust system, internal engine, etc. Thus, the process of abstraction helps in identification and extraction of the information that is relevant to the user and not needed from the outside world. A number of parameters such as with the usage of 'private' keyword can help in hiding internal information.
7) Explain the process of Polymorphism with an example.
Polymorphism is the process when the same method is applied using different implementation techniques. Polymorphism is of two types: Latest ios images for gns3.
Compile time polymorphism: when an operator is overloaded.
Runtime polymorphism: when an operator is overridden Gx simulator software download.
For example – If a particular class has Void Add (), then polymorphism can be accomplished by the overload technique, then the Void Add() becomes Void Add(int a, int b) and Void Add(int add).
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8) Describe the process of 'exception handling implementation' in C#
Exception handling can be implemented in C# using the following keywords:
- try
- catch
- finally
- throw
9) Give some examples of commonly used I/O classes
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Some examples of I/O classes are:
- File: used in manipulating a file
- StreamWriter: used for writing different characters into a stream
- StreamReader: used for reading characters off a stream
- StringWriter: used for reading from a string buffer
- StringReader: used for writing into a string buffer
- Path: used for execution of different operations that are related to a path data
10) What are some characteristics of an array?
Some characteristics of an array class are Length, IsFixedSize, IsReadOnly.
11) Write a code using Regular expression
12) List some of the basic string operation
Some of the basic string operations are:
- concatenate
- modify
- compare
- search
13) What is a generic class?
A generic class is utilized to generate classes or objects that do not have a precise type of data. However, the data type can be assigned anytime while using the program.
14) Enlist some of the properties of a thread class.
Some of the properties of a thread class are:
- IsAlive
- Name
- Priority
- IsBackground
- ThreadState
15) List the different stages of a thread.
The different stages of a thread are:
- Unstarted
- Running
- WaitSleepJoin
- Suspended
- Aborted
- Stopped
16) Explain the different types of delegates used in C#.
Different types of delegates used in C# are:
- Single Delegate: a delegate that can utilize only a single method
- Multicast Delegate: a delegate that can utilize multiple methods
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Got a Questions? Share with usFeatures of C#
- Simple
- Modern
- Object Oriented
- Type Safe
- Scalable
- Updatable
- Portability
- Metaprogramming
- Memory access
- Compatibility with other programming languages
Pros of C#
- It is an object-oriented language
- Has high productivity
- It is very versatile
- It is one of the most powerful programming languages
Cons of C#
- Not easy for newcomers to use
- It is a case-sensitive language
- Less efficient in comparison to C+ and C++
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