Programming Concepts and Logics | Check Your Level | MCQ April 3, 2025April 17, 2024 by jaminrai Programming Concepts & LogicsThis 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 / 76Which function is used to display a string? gets scanf putchar printf 2 / 76What is program? A finite set of subprograms to computer to perform specific task 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 3 / 76What is the work of break keyword? Restart execution of program Exit form loop or switch statement Halt execution of program None of these 4 / 76How long the following loop runs? for(x=1;x=3;x++) Forever One time Never Three times 5 / 76Which of the following is not an arithmetic operator? * % + & 6 / 76Which of the following is not a type of control structure? Selection Condition Looping Sequence 7 / 76The process of translating a source program into machine language is a function of: None of these Compiler Translator Assembler 8 / 76Which keyword can be used for coming out of recursion? Both Return and Break Return Exit Break 9 / 76Which of the following statement is correct? strcmp(s1,s2) returns 1 if s1= =s2 strcmp(s1,s2) returns a number less than 0 if s1>s2 strcmp(s1,s2) returns a number greater than 0 if s1<s2 strcmp(s1,s2) returns 0 if s1= =s2 10 / 76Which pair of functions below are used for single character I/O getchar() and putchar() input() and output() scanf() and printf() none of these 11 / 76Operator % in C language is called? Modulus Quotient operator Percentage operator Division 12 / 76What is the use of sqrt() library function? To find square root of a circle. To find square of given number To find roots of equations To find square root of given number. 13 / 76Array elements are always store in ________ memory location Random Non of these Sequential and Random Sequential 14 / 76Which operator is used to find remainder of two integers? MOD ! % 15 / 76Which of the following is format specification for printing string in printf() %s %d %c %f 16 / 76The Expression : a+=4 means a=4 a=4+4 a=a+4 a+4=a 17 / 76Which 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 18 / 76A C string element is always stored in? None of these options Sequential memory location Random access location Alternate memory location 19 / 76A labeled statement consist of an identifier followed by ; : = , 20 / 76_____ is a picture in which the flows of computational paths are depicted. Program Flowchart Code Algorithm 21 / 76Which of the following statement is not true? 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 Unicode is 16 bits codes to represent 65536 different characters, numbers, symbols,, etc. ACSII is 8 bit codes to represents 256 characters or symbols 22 / 76Which of the following is not basic data types in C language? int float char string 23 / 76What is the output of expression : 7%3 2.5 2 3 1 24 / 76What c function copies the contents of one string to another? strcpy() None strcmp() strrev() 25 / 76A string in C is Both 1-D and 2-D array of character 2-D Array of Character 1-D Array of character None of these 26 / 76How much memory should require holding long integer data in Computer? 8 1 4 2 27 / 76The operator & is used for Logical OR Logical AND Bitwise AND Bitwise OR 28 / 76What will be the value of y if x=8? Y=(x>6?4:6) compiler error 4 6 0 29 / 76Null character is represented by O 2 n 30 / 76C is _____ Language? Middle Level Machine Level Low Level High Level 31 / 76This of the following statement is not true A compiler does not create object code A compiler is more efficient than interpreter A compiler finds errors after compilation process A compiler is faster than interpreter 32 / 76Which of the following symbol is used to denote a pre-processor statement? # ! ; ~ 33 / 76Which loop executes at least once if For do while while 34 / 76Which of the following is not a loop used in C For each loop Do while loop For loop While loop 35 / 76Which is the right way to declare constant in C? const int var = 10; int const var = 10; int const var=10; All of these 36 / 76Which of the following statement is not true? #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. Library function are defined outside header files 37 / 76Which of the following symbol is valid identifier? 1.x 1_x x.1 X_1 38 / 76Which of the following is interpreted language? Visual Basic C Language BASIC C++ Language 39 / 76C program are converted into machine language with the help of An Editor An operating system A compiler Interpreter 40 / 76Which among the following is an unconditional control structure? if-else do-while goto for 41 / 76The activity of removing an error in the program is called _____ Debugging Compiling Entering Editing 42 / 76Which header file is essential for using strcmp() finction? text.h string.h strings.h strcmp.h 43 / 76Which of the following format specifier is used for string data type? g s d f 44 / 76Who is the father of C programming? Von Neuman Dennis Ritchie E.F. Codd James A. Gosling 45 / 76Which type of type specifier is used to hold integer type data? %d %f %c %e 46 / 76The continue statement cannot be used with ____ Do while For Switch While 47 / 76Which statement is not true? An array is collection of similar type of data items. An array is collection of dissimilar type of data items. The size of an array is static. The data items of array are stored in contiguous memory locations. 48 / 76This C function copies the contents of the source string at the end of the target string? none of the options both Strcat() & copycat() strcat() copycat() 49 / 76What is the maximum length of a C string? 32 characters 64 characters None of these options are correct 256 characters 50 / 76Which type of constant is defined by using #define? symbolic integer constant character escape sequence 51 / 76Every program in C has at least one function which is _________ None of these sum void main 52 / 76If you have to make decision based on multiple choices, which of the following is best suited? All of these If else If else if If 53 / 76Which one is input function? putchar printf scanf puts 54 / 76Which of the following is not true? Flowchart is a pictorial form of algorithm that describes the procedure to solve a problem Pseudo code is expressed in terms of English like structure and mathematical expression. A flowchart can solve complex real-world problem Algorithm is a finite sequence of instructions for solving a problem 55 / 76Which of the following statement is not true?? A logical error is easily detected by compiler. A syntax error is easy to find than logical error. A run time errors occur during the running time of the software Meaningless instructions make the logical errors 56 / 76Which of the following operator reverse the result of expression its operators on? || && All of the options are correct ! 57 / 76Which component is not required to define a simple loop? break statement condition counter statement initialization 58 / 76Which of the following symbol is not a valid keyword auto break short else if 59 / 76Which escape character can be used to begin a new line in c? a n b m 60 / 76Among unary operation which operator represents increment? ++ ! = -- 61 / 76Which of the following character is used to terminate an instruction in C Program? Period Colon Semicolon Comma 62 / 76Which is the unformatted input function to accept a multiword input in c language? scanf() finds() getc() gets() 63 / 76Int len=strlen("Jamin Rai"); printf(%d",len);What would be the value of len printed? 8 9 Depends on compiler 10 64 / 76Which of the following symbol is not a valid character set? < # @ > 65 / 76Which of the following language is not a type of third generation language? C Lanugage Java FORTAN BASIC 66 / 76Which function is used to copy string? strcopy strcp strcpy strcat 67 / 76++ Operator used within loops increment the value of variable by 1 10 Depends on compiler 2 68 / 76The ____ statement is used in the loops to skip a part of the loop and continue the next cycle of the loop. Continue Break If Switch 69 / 76Which of the following is not a type of branching statement? Switch case If else if If else Do while 70 / 76Number of keywords present in C languages is? 32 64 62 34 71 / 76Which operators are known as ternary operators? None of these <,;; ::? ?: 72 / 76Which one is output function? getchar printf gets scanf 73 / 76Which component is not required in a simple if else statement? counter statement true statement condition false statement 74 / 76A string constant in C is terminated by 'O' " ' ' "" 75 / 76The operator && is an example of ____ operator. Assignment Logical Rational Increment 76 / 76C Language developed at _____? AT & T's Bell Laboratories of French in 1972 Sun Microsystem in 1973 Cambridge University in 1972 AT & T's Bell Laboratories of USA in 1972 Your score isThe average score is 0% 0% Restart quiz Post Views: 1,604
