100 multiple choice questions in c programming

In C programming, linked lists are created using pointers. On the other hand, C can directly access memory structures similar to assembly language routines. How would you place this character as part of the output on the screen? For example: stdio.h is a header file that contains definition and prototypes of commands like printf and scanf. You can then use it as PI in the program, instead of having to write 3.1415 each time you need it. Difference between DELETE, DROP and TRUNCATE, Python Program for Sum the digits of a given number, How to find index of a given element in a Vector in C++. You can do this by using %% in the printf statement. For example, you can assigned a constant named PI and give it a value 3.1415  . }, A. hello helloworld C Programming Questions and Answers has been designed with a special intention of helping students and professionals preparing for various Certification Exams and Job Interviews.This section provides a useful collection of sample Interview Questions and Multiple Choice Questions (MCQs) and their answers with appropriate explanations. This unstructured approach to coding is usually attributed to lack of experience on the part of the programmer. FALSE. This is also known as postfix increment. One thing to note is that you cannot pass the entire array to a function. Source codes in C are saved with .C file extension. D. Run time error. Storing data in a stack is also referred to as a PUSH, while data retrieval is referred to as a POP. 49) Why is C language being considered a middle level language? Before a program can be written, an algorithm has to be created first. return 0; You just need to include the entire function prototype into the parameter field of the other function where it is to be used. 16) Compare and contrast compilers from interpreters. This also means that not all codes may be executed, and there are alternative flows within. You can use atof to convert to a floating point value, atoi to convert to an integer value, and atol to convert to a long integer value.

When the user presses the enter key to end the input, the entire line of characters is stored to a string variable. Comments begin with /* and ended by */ characters.

How to set input type date in dd-mm-yyyy format using HTML ? Each element is assigned a number from 0 to number of elements-1. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. }, A. For example: anyNum = rand() will generate any integer number beginning from 0, assuming that anyNum is a variable of type integer. Preprocessor directives are placed at the beginning of every C program. #include 17) How do you declare a variable that will hold string values? Will give Segmentation fault 9) Differentiate Source Codes from Object Codes, Source codes are codes that were written by the programmer. scanf("%d",i); A. Explanation: A C program can have same function name and same variable name. Flowcharts are made of symbols, with each symbol in the form of different shapes.

A semicolon acts as a delimiter, so that the compiler knows where each statement ends, and can proceed to divide the statement into smaller elements for syntax checking. 34) What are comments and how do you insert it in a C program? 1) How do you construct an increment statement or decrement statement in C? 100) What is the use of a semicolon (;) at the end of every program statement? In this structure, data is stored and accessed using FIFO format, or First-In-First-Out. %s Find best course Find best course B. hello5 For example, you can write printf("10%%") to have the output appear as 10% on the screen. It maybe a command that was misspelled or a command that must was entered in lowercase mode but was instead entered with an upper case character. ;] -- 4 timed tests, each offering 25 challenging multiple-choice questions. Yes, you don't have to write a separate assignment statement after the variable declaration, unless you plan to change it later on. You can write it in code as: 38) What does the format %10.2 mean when included in a printf statement? A newline escape sequence can be placed before the actual output expression or after. There is no single command or function in C that can check if a number is odd or even. 97) What are the advantages and disadvantages of a heap?

However, computers would not be able to understand source codes. 72) What are global variables and how do you declare them? In using functions in a C program, formal parameters contain the values that were passed by the calling function. A flowchart provides a visual representation of the step by step procedure towards solving a given problem. Dynamic data structure provides a means for storing data more efficiently into memory. 44) What will be the outcome of the following conditional statement if the value of variable s is 10? Write Interview 82) What is the difference between text files and binary files? 55) Not all reserved words are written in lowercase. What is the output of this program? When using getch(), the key that was pressed will not appear on the screen, and is automatically captured and assigned to a variable. While curly brackets are mainly used to group several lines of codes, it will still work without error if you used it for a single line. Get this from a library!

}, A. letsfindcourse 15 3 A Computer Science portal for geeks. 2) What is the difference between Call by Value and Call by Reference? printf ( "%d" , printf ( "hello" ) ); A. Syntex Error 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. There are 3 main control structures in programming: Sequence, Selection and Repetition. Pointers contain the address of a variable, which in turn may contain a value or even an address to another memory. It has to do with the parsing process and compilation of the code. int main() Char can store individual character values. Comment on the given statment: Mac OS uses a UNIX... Who is a Software Developer? 56) What is the difference between the expression "++a"  and "a++"? During program compilation, errors that are found will stop the program from executing completely. Spaghetti programing makes a program complex and analyzing the codes difficult, and so must be avoided as much as possible. printf("hello\b\b\bworld\n"); 94) How do you search data in a data file using random access method? The number after the decimal point sets the number of decimal places, in this case, it's 2 decimal spaces. Comments are a great way to put some remarks or description in a program. 39) What are logical errors and how does it differ from syntax errors? The switch statement is best used when dealing with selections based on a single variable or expression.

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