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 type of type specifier is used to hold integer type data? %d %e %c %f 2 / 76 What is the use of sqrt() library function? To find square of given number To find roots of equations To find square root of a circle. To find square root of given number. 3 / 76 The continue statement cannot be used with ____ While Switch For Do while 4 / 76 Array elements are always store in ________ memory location Non of these Random Sequential Sequential and Random 5 / 76 Which of the following is interpreted language? C Language C++ Language BASIC Visual Basic 6 / 76 The Expression : a+=4 means a=4 a=4+4 a=a+4 a+4=a 7 / 76 This C function copies the contents of the source string at the end of the target string? copycat() both Strcat() & copycat() none of the options strcat() 8 / 76 Which of the following statement is not true? C is powerful and portable programming language C is a general purpose low level programming language C is internationally standardized programming language C is structural programming language. 9 / 76 Which function is used to display a string? scanf gets putchar printf 10 / 76 Null character is represented by 2 n O 11 / 76 Which of the following is format specification for printing string in printf() %d %f %c %s 12 / 76 A labeled statement consist of an identifier followed by : = , ; 13 / 76 A string constant in C is terminated by " 'O' "" ' ' 14 / 76 The operator & is used for Logical OR Logical AND Bitwise OR Bitwise AND 15 / 76 Number of keywords present in C languages is? 34 64 62 32 16 / 76 Which of the following statement is not true?? 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 A logical error is easily detected by compiler. 17 / 76 ++ Operator used within loops increment the value of variable by 1 10 Depends on compiler 2 18 / 76 Which pair of functions below are used for single character I/O getchar() and putchar() input() and output() none of these scanf() and printf() 19 / 76 What c function copies the contents of one string to another? strrev() None strcpy() strcmp() 20 / 76 Which component is not required in a simple if else statement? false statement condition true statement counter statement 21 / 76 A C string element is always stored in? Alternate memory location Sequential memory location Random access location None of these options 22 / 76 Which of the following symbol is not a valid keyword auto break else if short 23 / 76 Which header file is essential for using strcmp() finction? strcmp.h strings.h text.h string.h 24 / 76 Which of the following symbol is used to denote a pre-processor statement? ~ # ; ! 25 / 76 Which one is input function? printf scanf puts putchar 26 / 76 Which of the following is not a loop used in C For loop Do while loop For each loop While loop 27 / 76 Which operators are known as ternary operators? <,;; ?: ::? None of these 28 / 76 Which of the following is not true? Algorithm is a finite sequence of instructions for solving a problem 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 29 / 76 Which of the following language is not a type of third generation language? Java C Lanugage FORTAN BASIC 30 / 76 C Language developed at _____? AT & T's Bell Laboratories of USA in 1972 Sun Microsystem in 1973 Cambridge University in 1972 AT & T's Bell Laboratories of French in 1972 31 / 76 Every program in C has at least one function which is _________ void None of these sum main 32 / 76 Which component is not required to define a simple loop? condition initialization break statement counter statement 33 / 76 How much memory should require holding long integer data in Computer? 8 4 2 1 34 / 76 Which is the unformatted input function to accept a multiword input in c language? scanf() getc() gets() finds() 35 / 76 Which of the following is not an arithmetic operator? & + % * 36 / 76 Which of the following is not basic data types in C language? char float int string 37 / 76 Which function is used to copy string? strcpy strcopy strcp strcat 38 / 76 _____ is a picture in which the flows of computational paths are depicted. Code Program Flowchart Algorithm 39 / 76 Which operator is used to find remainder of two integers? % ! MOD 40 / 76 What will be the value of y if x=8? Y=(x>6?4:6) 0 6 compiler error 4 41 / 76 Which keyword can be used for coming out of recursion? Break Return Both Return and Break Exit 42 / 76 Which of the following character is used to terminate an instruction in C Program? Comma Period Colon Semicolon 43 / 76 Which is the right way to declare constant in C? const int var = 10; All of these int const var=10; int const var = 10; 44 / 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 45 / 76 Which of the following operator reverse the result of expression its operators on? All of the options are correct || ! && 46 / 76 Which statement is not true? The data items of array are stored in contiguous memory locations. 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. 47 / 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 48 / 76 Which escape character can be used to begin a new line in c? m a n b 49 / 76 Which of the following statement is not true? ACSII is 8 bit codes to represents 256 characters or symbols Unicode is 16 bits codes to represent 65536 different characters, numbers, symbols,, etc. 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 50 / 76 What is the maximum length of a C string? 256 characters None of these options are correct 64 characters 32 characters 51 / 76 The process of translating a source program into machine language is a function of: Compiler Translator Assembler None of these 52 / 76 Which of the following format specifier is used for string data type? f d s g 53 / 76 Which loop executes at least once For if do while while 54 / 76 Operator % in C language is called? Modulus Quotient operator Division Percentage operator 55 / 76 Which of the following statement is correct? 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 strcmp(s1,s2) returns 1 if s1= =s2 56 / 76 The operator && is an example of ____ operator. Increment Assignment Logical Rational 57 / 76 Which one is output function? gets printf scanf getchar 58 / 76 Int len=strlen("Jamin Rai"); printf(%d",len);What would be the value of len printed? 9 Depends on compiler 8 10 59 / 76 C program are converted into machine language with the help of An operating system An Editor Interpreter A compiler 60 / 76 Which of the following symbol is valid identifier? x.1 X_1 1.x 1_x 61 / 76 Who is the father of C programming? Von Neuman Dennis Ritchie E.F. Codd James A. Gosling 62 / 76 Which type of constant is defined by using #define? integer constant symbolic escape sequence character 63 / 76 Which among the following is an unconditional control structure? for goto do-while if-else 64 / 76 What is the output of expression : 7%3 3 1 2 2.5 65 / 76 Among unary operation which operator represents increment? = ++ ! -- 66 / 76 What is program? A finite set of instruction to computer to perform specific task All of the options are correct A finite set of subprograms to computer to perform specific task A finite set of functions to computer to perform specific task 67 / 76 The ____ 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 68 / 76 Which of the following is not a type of control structure? Condition Selection Sequence Looping 69 / 76 How long the following loop runs? for(x=1;x=3;x++) Forever Three times One time Never 70 / 76 C is _____ Language? Low Level Middle Level High Level Machine Level 71 / 76 Which of the following symbol is not a valid character set? < > @ # 72 / 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. 73 / 76 Which of the following is not a type of branching statement? If else Do while If else if Switch case 74 / 76 This 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 75 / 76 What is the work of break keyword? Exit form loop or switch statement Halt execution of program Restart execution of program None of these 76 / 76 The activity of removing an error in the program is called _____ Entering Debugging Compiling Editing Your score isThe average score is 81% 0% Restart quiz Post Views: 1,939
