Programming Concepts and Logics | Check Your Level | MCQ April 3, 2025April 17, 2024 by jaminrai Programming Concepts & Logics This MCQ helps to check levels of:your understanding on programming languagesunderadatnd about compiler, interpreter and Assemblerdifferent High level languagesdifferent types of errors in programmingcontrol structureProgram design toolstypes of dataI/O function, operator and many more 1 / 76 Which one is input function? putchar scanf printf puts 2 / 76 Which of the following symbol is not a valid keyword else if auto short break 3 / 76 Int len=strlen("Jamin Rai"); printf(%d",len);What would be the value of len printed? 9 10 8 Depends on compiler 4 / 76 Array elements are always store in ________ memory location Sequential Sequential and Random Random Non of these 5 / 76 Which type of constant is defined by using #define? character symbolic integer constant escape sequence 6 / 76 Which pair of functions below are used for single character I/O input() and output() scanf() and printf() none of these getchar() and putchar() 7 / 76 What is the output of expression : 7%3 2 2.5 1 3 8 / 76 A string in C is Both 1-D and 2-D array of character 1-D Array of character 2-D Array of Character None of these 9 / 76 The ____ statement is used in the loops to skip a part of the loop and continue the next cycle of the loop. Switch Break If Continue 10 / 76 What is the work of break keyword? None of these Exit form loop or switch statement Halt execution of program Restart execution of program 11 / 76 Which one is output function? scanf gets printf getchar 12 / 76 C is _____ Language? Low Level Middle Level High Level Machine Level 13 / 76 Which of the following is not a type of branching statement? Do while If else if Switch case If else 14 / 76 Which is the right way to declare constant in C? int const var = 10; int const var=10; const int var = 10; All of these 15 / 76 Which type of type specifier is used to hold integer type data? %c %e %f %d 16 / 76 Which of the following is not an arithmetic operator? & * + % 17 / 76 Which of the following statement is not true?? Meaningless instructions make the logical errors A syntax error is easy to find than logical error. A logical error is easily detected by compiler. A run time errors occur during the running time of the software 18 / 76 The Expression : a+=4 means a=4 a=a+4 a+4=a a=4+4 19 / 76 How long the following loop runs? for(x=1;x=3;x++) Three times Forever One time Never 20 / 76 C program are converted into machine language with the help of An Editor Interpreter A compiler An operating system 21 / 76 Among unary operation which operator represents increment? ! ++ = -- 22 / 76 A C string element is always stored in? Alternate memory location Random access location Sequential memory location None of these options 23 / 76 Which among the following is an unconditional control structure? for goto if-else do-while 24 / 76 The process of translating a source program into machine language is a function of: None of these Assembler Translator Compiler 25 / 76 C Language developed at _____? AT & T's Bell Laboratories of French in 1972 Cambridge University in 1972 AT & T's Bell Laboratories of USA in 1972 Sun Microsystem in 1973 26 / 76 Which header file is essential for using strcmp() finction? strings.h text.h strcmp.h string.h 27 / 76 What is the maximum length of a C string? None of these options are correct 64 characters 256 characters 32 characters 28 / 76 Which of the following is not true? Pseudo code is expressed in terms of English like structure and mathematical expression. Flowchart is a pictorial form of algorithm that describes the procedure to solve a problem A flowchart can solve complex real-world problem Algorithm is a finite sequence of instructions for solving a problem 29 / 76 A string constant in C is terminated by "" ' ' 'O' " 30 / 76 Every program in C has at least one function which is _________ main None of these void sum 31 / 76 Which of the following operator reverse the result of expression its operators on? ! || && All of the options are correct 32 / 76 The activity of removing an error in the program is called _____ Entering Debugging Editing Compiling 33 / 76 Which of the following is interpreted language? BASIC Visual Basic C Language C++ Language 34 / 76 The operator & is used for Bitwise OR Logical AND Bitwise AND Logical OR 35 / 76 Number of keywords present in C languages is? 34 62 64 32 36 / 76 Which of the following statement is not true? #include and #define are commonly used preprocessors Library function are defined outside header files #include helps to necessary headers files to the program Preprocessor directive is a special type of program that helps to execute codes before passes through compiler. 37 / 76 Which is the unformatted input function to accept a multiword input in c language? finds() getc() scanf() gets() 38 / 76 ++ Operator used within loops increment the value of variable by Depends on compiler 1 2 10 39 / 76 Which of the following is not basic data types in C language? int float string char 40 / 76 Which of the following is not a type of control structure? Condition Looping Sequence Selection 41 / 76 The continue statement cannot be used with ____ While For Do while Switch 42 / 76 Which of the following is not a loop used in C Do while loop While loop For each loop For loop 43 / 76 Which statement is not true? An array is collection of similar type of data items. The data items of array are stored in contiguous memory locations. An array is collection of dissimilar type of data items. The size of an array is static. 44 / 76 Which of the following symbol is valid identifier? 1.x 1_x X_1 x.1 45 / 76 _____ is a picture in which the flows of computational paths are depicted. Code Algorithm Flowchart Program 46 / 76 Who is the father of C programming? E.F. Codd Dennis Ritchie Von Neuman James A. Gosling 47 / 76 Which of the following character is used to terminate an instruction in C Program? Colon Period Comma Semicolon 48 / 76 What is program? A finite set of subprograms to computer to perform specific task A finite set of instruction to computer to perform specific task All of the options are correct A finite set of functions to computer to perform specific task 49 / 76 What c function copies the contents of one string to another? strcpy() None strrev() strcmp() 50 / 76 This C function copies the contents of the source string at the end of the target string? strcat() copycat() none of the options both Strcat() & copycat() 51 / 76 If you have to make decision based on multiple choices, which of the following is best suited? If else If If else if All of these 52 / 76 A labeled statement consist of an identifier followed by = , : ; 53 / 76 This of the following statement is not true A compiler is faster than interpreter A compiler does not create object code A compiler is more efficient than interpreter A compiler finds errors after compilation process 54 / 76 Which operator is used to find remainder of two integers? % ! MOD 55 / 76 Which of the following format specifier is used for string data type? f d g s 56 / 76 Which component is not required in a simple if else statement? false statement counter statement condition true statement 57 / 76 Null character is represented by O n 2 58 / 76 Which of the following statement is not true? Unicode is 16 bits codes to represent 65536 different characters, numbers, symbols,, etc. ACSII is 8 bit codes to represents 256 characters or symbols BCD code is represented in terms of 5 bits to represent a single decimal digit. EBCD is 8 bits codes to represent 256 characters or symbols in IBM mainframe 59 / 76 Which of the following symbol is not a valid character set? # @ > < 60 / 76 Which function is used to display a string? putchar gets scanf printf 61 / 76 Which keyword can be used for coming out of recursion? Exit Both Return and Break Return Break 62 / 76 What will be the value of y if x=8? Y=(x>6?4:6) 6 compiler error 4 0 63 / 76 How much memory should require holding long integer data in Computer? 4 2 8 1 64 / 76 Which operators are known as ternary operators? ?: None of these <,;; ::? 65 / 76 The operator && is an example of ____ operator. Rational Increment Assignment Logical 66 / 76 Which escape character can be used to begin a new line in c? b n a m 67 / 76 What is the use of sqrt() library function? To find square root of given number. To find roots of equations To find square root of a circle. To find square of given number 68 / 76 Which function is used to copy string? strcat strcopy strcp strcpy 69 / 76 Which loop executes at least once if do while For while 70 / 76 Which of the following statement is correct? strcmp(s1,s2) returns a number greater than 0 if s1<s2 strcmp(s1,s2) returns a number less than 0 if s1>s2 strcmp(s1,s2) returns 1 if s1= =s2 strcmp(s1,s2) returns 0 if s1= =s2 71 / 76 Which of the following symbol is used to denote a pre-processor statement? ~ # ! ; 72 / 76 Operator % in C language is called? Division Quotient operator Modulus Percentage operator 73 / 76 Which of the following statement is not true? C is structural programming language. C is powerful and portable programming language C is a general purpose low level programming language C is internationally standardized programming language 74 / 76 Which component is not required to define a simple loop? condition initialization break statement counter statement 75 / 76 Which of the following is format specification for printing string in printf() %c %f %s %d 76 / 76 Which of the following language is not a type of third generation language? FORTAN C Lanugage BASIC Java Your score isThe average score is 81% 0% Restart quiz Post Views: 1,970
