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 What is the maximum length of a C string? 32 characters 64 characters 256 characters None of these options are correct 2 / 76 Which component is not required to define a simple loop? initialization condition break statement counter statement 3 / 76 Which type of type specifier is used to hold integer type data? %c %d %f %e 4 / 76 Which function is used to copy string? strcp strcpy strcat strcopy 5 / 76 Operator % in C language is called? Percentage operator Quotient operator Division Modulus 6 / 76 Which of the following character is used to terminate an instruction in C Program? Comma Colon Semicolon Period 7 / 76 The ____ statement is used in the loops to skip a part of the loop and continue the next cycle of the loop. Break Switch If Continue 8 / 76 Which of the following format specifier is used for string data type? f g d s 9 / 76 Which of the following symbol is not a valid keyword break else if short auto 10 / 76 Which one is input function? putchar scanf puts printf 11 / 76 Which one is output function? getchar printf gets scanf 12 / 76 Every program in C has at least one function which is _________ main void None of these sum 13 / 76 Which of the following is interpreted language? BASIC Visual Basic C Language C++ Language 14 / 76 Which of the following is not a type of control structure? Looping Sequence Selection Condition 15 / 76 How much memory should require holding long integer data in Computer? 8 1 2 4 16 / 76 Which of the following statement is not true? Library function are defined outside header files #include helps to necessary headers files to the program #include and #define are commonly used preprocessors Preprocessor directive is a special type of program that helps to execute codes before passes through compiler. 17 / 76 Which function is used to display a string? putchar printf scanf gets 18 / 76 If you have to make decision based on multiple choices, which of the following is best suited? All of these If else If If else if 19 / 76 Which pair of functions below are used for single character I/O scanf() and printf() none of these input() and output() getchar() and putchar() 20 / 76 Which type of constant is defined by using #define? escape sequence symbolic character integer constant 21 / 76 What c function copies the contents of one string to another? strrev() None strcmp() strcpy() 22 / 76 This of the following statement is not true A compiler is more efficient than interpreter A compiler is faster than interpreter A compiler does not create object code A compiler finds errors after compilation process 23 / 76 What will be the value of y if x=8? Y=(x>6?4:6) 4 0 6 compiler error 24 / 76 C program are converted into machine language with the help of A compiler An Editor Interpreter An operating system 25 / 76 A string constant in C is terminated by "" 'O' ' ' " 26 / 76 Which operators are known as ternary operators? <,;; ::? ?: None of these 27 / 76 Which of the following statement is not true? EBCD is 8 bits codes to represent 256 characters or symbols in IBM mainframe 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. 28 / 76 Which of the following operator reverse the result of expression its operators on? || All of the options are correct ! && 29 / 76 Which of the following statement is correct? strcmp(s1,s2) returns 1 if s1= =s2 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 0 if s1= =s2 30 / 76 Which statement is not true? An array is collection of similar type of data items. The size of an array is static. An array is collection of dissimilar type of data items. The data items of array are stored in contiguous memory locations. 31 / 76 Which operator is used to find remainder of two integers? ! MOD % 32 / 76 The activity of removing an error in the program is called _____ Entering Compiling Editing Debugging 33 / 76 The operator & is used for Logical AND Bitwise OR Bitwise AND Logical OR 34 / 76 Which of the following is not a loop used in C For each loop While loop For loop Do while loop 35 / 76 What is the use of sqrt() library function? To find square root of a circle. To find square root of given number. To find roots of equations To find square of given number 36 / 76 Number of keywords present in C languages is? 64 34 62 32 37 / 76 Which of the following statement is not true?? Meaningless instructions make the logical errors A logical error is easily detected by compiler. A run time errors occur during the running time of the software A syntax error is easy to find than logical error. 38 / 76 ++ Operator used within loops increment the value of variable by Depends on compiler 10 1 2 39 / 76 Which header file is essential for using strcmp() finction? strcmp.h text.h string.h strings.h 40 / 76 Which of the following symbol is valid identifier? 1_x X_1 1.x x.1 41 / 76 Which is the right way to declare constant in C? const int var = 10; int const var=10; All of these int const var = 10; 42 / 76 The continue statement cannot be used with ____ Do while For Switch While 43 / 76 Which component is not required in a simple if else statement? true statement condition false statement counter statement 44 / 76 Which of the following statement is not true? C is a general purpose low level programming language C is internationally standardized programming language C is structural programming language. C is powerful and portable programming language 45 / 76 Which of the following is not basic data types in C language? char float string int 46 / 76 Which of the following symbol is used to denote a pre-processor statement? ! ; ~ # 47 / 76 How long the following loop runs? for(x=1;x=3;x++) Three times One time Never Forever 48 / 76 Which keyword can be used for coming out of recursion? Exit Both Return and Break Return Break 49 / 76 Which of the following is not true? Algorithm is a finite sequence of instructions for solving a problem 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 50 / 76 A C string element is always stored in? Random access location None of these options Sequential memory location Alternate memory location 51 / 76 Which of the following symbol is not a valid character set? @ # < > 52 / 76 Which of the following is not a type of branching statement? Switch case If else Do while If else if 53 / 76 Int len=strlen("Jamin Rai"); printf(%d",len);What would be the value of len printed? 8 Depends on compiler 9 10 54 / 76 The operator && is an example of ____ operator. Assignment Increment Rational Logical 55 / 76 What is the work of break keyword? Restart execution of program None of these Halt execution of program Exit form loop or switch statement 56 / 76 C Language developed at _____? AT & T's Bell Laboratories of USA in 1972 AT & T's Bell Laboratories of French in 1972 Cambridge University in 1972 Sun Microsystem in 1973 57 / 76 What is the output of expression : 7%3 1 2 3 2.5 58 / 76 Which of the following is not an arithmetic operator? * & + % 59 / 76 Among unary operation which operator represents increment? -- ++ = ! 60 / 76 Which is the unformatted input function to accept a multiword input in c language? scanf() getc() gets() finds() 61 / 76 Null character is represented by n 2 O 62 / 76 Which loop executes at least once do while For while if 63 / 76 This C function copies the contents of the source string at the end of the target string? both Strcat() & copycat() copycat() strcat() none of the options 64 / 76 What is program? All of the options are correct A finite set of instruction to computer to perform specific task A finite set of functions to computer to perform specific task A finite set of subprograms to computer to perform specific task 65 / 76 Which of the following language is not a type of third generation language? Java FORTAN C Lanugage BASIC 66 / 76 A labeled statement consist of an identifier followed by = : ; , 67 / 76 C is _____ Language? High Level Machine Level Low Level Middle Level 68 / 76 Which among the following is an unconditional control structure? goto if-else do-while for 69 / 76 _____ is a picture in which the flows of computational paths are depicted. Flowchart Algorithm Program Code 70 / 76 The process of translating a source program into machine language is a function of: None of these Translator Assembler Compiler 71 / 76 Which of the following is format specification for printing string in printf() %c %d %f %s 72 / 76 A string in C is 1-D Array of character None of these 2-D Array of Character Both 1-D and 2-D array of character 73 / 76 The Expression : a+=4 means a=4+4 a=4 a=a+4 a+4=a 74 / 76 Who is the father of C programming? E.F. Codd Von Neuman Dennis Ritchie James A. Gosling 75 / 76 Array elements are always store in ________ memory location Non of these Sequential Random Sequential and Random 76 / 76 Which escape character can be used to begin a new line in c? m b a n Your score isThe average score is 81% 0% Restart quiz Post Views: 1,870
