C objective questions with answers pdf

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+ Multiple Choice Questions & Answers in C with explanations Anyone preparing for aptitude test in C (both objective type test and C coding written test). The first chapter deals with the fundamental concepts of C language. The second chapter deals with the simple C questions and Answers. Sixth chapter deals. Mobile Testing Interview Questions · Objective C Interview Questions . Top C Programming Interview Questions & Answers . In C programming, source codes are saved with the file extension. .. Download PDF.

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C Programming questions and answers with explanation for interview, All students, freshers can download C Programming quiz questions with answers as PDF Where can I get C Programming Interview Questions and Answers ( objective. C Multiple Choice Questions and answers pdf, C Multiple Choice Questions and answers with explanation, Objective Questions and Answers for C Language 1. C Programming questions and answers with explanation for interview, competitive examination and entrance test. Applicants can learn the competitive and technical C Multiple Choice Questions from this article. Our C Online test covers all the topics that are related to the C.

Text files contain data that can easily be understood by humans. Click Here 1. The outcome will be TRUE. Yes, it is possible to pass an entire structure to a function in a call by method style. Compound statements can also be executed within a loop. Work same as printf B. This method helps maintain consistency and uniformity in terms of argument type.

Which of the following structure declaration will throw an error? Which keyword can be used for coming out of recursion? Which keyword is used to come out of a loop only for that iteration? C Programming questions and answers with explanation for interview, competitive examination and entrance test. Fully solved examples with detailed answer description, explanation are given and it would be easy to understand. Applicants can learn the competitive and technical C Multiple Choice Questions from this article.

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The provided C Programming Questions and Answers are useful for both freshers and experienced candidates. This C Quiz is designed to give an overview of the C programming Language.

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From this section, the students can know the topics which are covered in the C Online Test. For all the C Questions the applicants can find the four alternatives. Read the questions and need to choose one option among all. So, the contenders can see the C Multiple Choice Questions from all those topics with the help of this post. Hence, the candidates can check all the topics and practice the C Mock Test.

Postulates who are very eager to crack an interview regarding C Language can check this post. For all the C Questions we have also arranged the answers along with the explanation. C programs are converted into machine language with the help of A. An Editor B. A compiler C.

An operating system D. None of the above Answer: A C variable cannot start with A.

An alphabet B. A number C. A special symbol other than underscore D. Which of the following is allowed in a C Arithmetic instruction A. Which of the following shows the correct hierarchy of arithmetic operations in C A. What is an array? None of the above. Keywords have some predefine meanings and these meanings cannot be changed. What is right way to Initialization array? Constants have unknown values that may be change during the execution of a program D.

An array is not a collection of variables that are of the same data type. Random C.

C Multiple Choice Questions and Answers

An array is a collection of variables that are of the dissimilar data type. The basic element recognized by the compiler C. Work same as printf B. What is C Tokens? Sequential and Random D. In switch statement. The largest individual units of program D. The smallest individual units of c program B. Bitwise operators can operate upon? Sequential B. Constants have fixed values that do not change during the execution of a program B.

Constants have fixed values that change during the execution of a program C. Which operators are known as Ternary Operator? An array is a collection of variables that are of the same data type. What is constant? Keywords have some predefine meanings and these meanings can be changed. Keywords have some unknown meanings and these meanings cannot be changed.

Which is the right way to declare constant in C? What is Keywords? All the above Answer: All of the above Answer: A function is usually designed to perform a specific task. Which one of the following is not a linear data structure? FIFO Answer: A for loop can never be used in place of a while loop. Recursive functions are executed in a? Strings B. Dqueue D. To represent hierarchical relationship between elements.

Priority B. Halt execution of program B. Function is the fundamental modular unit. Restart execution of program C. It has a name and it is reusable D. The body of a while loop is executed at least once. The body of a do. Lists D. What is function? Reserved words are words that are part of the standard C language library. This means that reserved words have special meaning and therefore cannot be used for purposes other than what it is originally intended for.

Examples of reserved words are int, void, and return. A linked list is composed of nodes that are connected with another. In C programming, linked lists are created using pointers.

C Programming Questions and Answers

Using linked lists is one efficient way of utilizing memory for storage. In C programming, there is a data structure known as queue.

A queue represents a line wherein the first data that was stored will be the first one that is accessible as well. Binary trees are actually an extension of the concept of linked lists. A binary tree has two pointers, a left one and a right one. Each side can further branch to form additional nodes, which each node having two pointers as well. All reserved words must be written in lowercase; otherwise the C compiler would interpret this as unidentified and invalid.

In the first expression, the increment would happen first on variable a, and the resulting value will be the one to be used. This is also known as a prefix increment. In the second expression, the current value of variable a would the one to be used in an operation, before the value of a itself is incremented. This is also known as postfix increment. C language is a case sensitive language. An endless loop can mean two things. One is that it was designed to loop continuously until the condition within the loop is met, after which a break function would cause the program to step out of the loop.

Another idea of an endless loop is when an incorrect loop condition was written, causing the loop to run erroneously forever. Endless loops are oftentimes referred to as infinite loops.

A flowchart provides a visual representation of the step by step procedure towards solving a given problem. Flowcharts are made of symbols, with each symbol in the form of different shapes. The word void is a reserved word in C language. You cannot use reserved words as a user-defined variable. Assuming that INT is a variable of type float, this statement is valid.

C Multiple Choice Questions and Answers

One may think that INT is a reserved word and must not be used for other purposes. However, recall that reserved words are express in lowercase, so the C compiler will not interpret this as a reserved word. When you create and use functions that need to perform an action on some given values, you need to pass these given values to that function. The values that are being passed into the called function are referred to as actual arguments.

This is used to insert a new line when displaying data in the output screen. A newline escape sequence can be placed before the actual output expression or after. It is the process of transferring data to an alternative output source other than the display screen. Output redirection allows a program to have its output saved to a file.

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These are errors that occur while the program is being executed. One common instance wherein run-time errors can happen is when you are trying to divide a number by zero. When run-time errors occur, program execution will pause, showing which program line caused the error. These 2 functions basically perform the same action, which is to get the absolute value of the given value.

C Programming MCQ - Multiple Choice Question and Answer

Abs is used for integer values, while fabs is used for floating type numbers. In using functions in a C program, formal parameters contain the values that were passed by the calling function. The values are substituted in these formal parameters and used in whatever operations as indicated within the main body of the called function. Control structures take charge at which instructions are to be performed in a program. This means that program flow may not necessarily move from one statement to the next one, but rather some alternative portions may need to be pass into or bypassed from, depending on the outcome of the conditional statements.

The switch statement is best used when dealing with selections based on a single variable or expression. However, switch statements can only evaluate integer and character data types. Global variables are variables that can be accessed and manipulated anywhere in the program. To make a variable global, place the variable declaration on the upper portion of the program, just after the preprocessor directives section.

Enumerated types allow the programmer to use more meaningful words as values to a variable. Each item in the enumerated type variable is actually associated with a numeric code. It is used to convert any letter to its upper case mode. Note that this function will only convert a single character, and not an entire string. Yes, that is allowed in C programming. You just need to include the entire function prototype into the parameter field of the other function where it is to be used.

Multidimensional arrays are capable of storing data in a two or more dimensional structure. For example, you can use a 2 dimensional array to store the current position of pieces in a chess game, or position of players in a tic-tac-toe program.

The strcat function. It takes two parameters, the source string and the string value to be appended to the source string. Both functions will accept a character input value from the user. When using getch , the key that was pressed will not appear on the screen, and is automatically captured and assigned to a variable. When using getche , the key that was pressed by the user will appear on the screen, while at the same time being assigned to a variable. Yes, they both do the exact same thing, which is to accept the next key pressed by the user and assign it to variable named letter.

Structure types are primarily used to store records. A record is made up of related fields. This makes it easier to organize a group of related data. Previous data that was stored on that file will be erased. Text files contain data that can easily be understood by humans. It includes letters, numbers and other characters. On the other hand, binary files contain 1s and 0s that only computers can interpret. Yes, it is possible to create a customized header file.

Just include in it the function prototypes that you want to use in your program, and use the include directive followed by the name of your header file. Dynamic data structure provides a means for storing data more efficiently into memory. Using dynamic memory allocation, your program will access memory spaces as needed. This is in contrast to static data structure, wherein the programmer has to indicate a fix number of memory space to be used in the program.

The basic data types are int, char, and float. Int is used to declare variables that will be storing integer values. Float is used to store real numbers. Char can store individual character values. A C program begins with the preprocessor directives, in which the programmer would specify which header file and what constants if any to be used.