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 / 76The operator && is an example of ____ operator. Logical Rational Assignment Increment 2 / 76Which of the following is interpreted language? BASIC C++ Language Visual Basic C Language 3 / 76A string in C is None of these 2-D Array of Character Both 1-D and 2-D array of character 1-D Array of character 4 / 76Which of the following is not a loop used in C While loop For each loop Do while loop For loop 5 / 76C Language developed at _____? Cambridge University in 1972 AT & T's Bell Laboratories of French in 1972 Sun Microsystem in 1973 AT & T's Bell Laboratories of USA in 1972 6 / 76Which of the following is not a type of branching statement? If else Do while If else if Switch case 7 / 76Which of the following is not basic data types in C language? char float int string 8 / 76Which of the following symbol is not a valid keyword else if short break auto 9 / 76Which is the right way to declare constant in C? const int var = 10; int const var=10; All of these int const var = 10; 10 / 76Which header file is essential for using strcmp() finction? strings.h string.h text.h strcmp.h 11 / 76Which function is used to display a string? putchar gets printf scanf 12 / 76Which of the following symbol is used to denote a pre-processor statement? ~ ! ; # 13 / 76What c function copies the contents of one string to another? strrev() strcmp() strcpy() None 14 / 76Which of the following character is used to terminate an instruction in C Program? Comma Period Semicolon Colon 15 / 76Who is the father of C programming? Dennis Ritchie E.F. Codd Von Neuman James A. Gosling 16 / 76A C string element is always stored in? None of these options Sequential memory location Random access location Alternate memory location 17 / 76The continue statement cannot be used with ____ Do while While Switch For 18 / 76Which 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. EBCD is 8 bits codes to represent 256 characters or symbols in IBM mainframe BCD code is represented in terms of 5 bits to represent a single decimal digit. 19 / 76The operator & is used for Bitwise OR Logical AND Bitwise AND Logical OR 20 / 76Which component is not required in a simple if else statement? counter statement true statement condition false statement 21 / 76Which one is output function? scanf gets printf getchar 22 / 76Which type of type specifier is used to hold integer type data? %c %e %d %f 23 / 76Number of keywords present in C languages is? 32 62 64 34 24 / 76A labeled statement consist of an identifier followed by = , : ; 25 / 76Which among the following is an unconditional control structure? do-while if-else for goto 26 / 76How much memory should require holding long integer data in Computer? 4 8 2 1 27 / 76Which of the following symbol is valid identifier? 1_x X_1 x.1 1.x 28 / 76Which keyword can be used for coming out of recursion? Exit Return Break Both Return and Break 29 / 76Every program in C has at least one function which is _________ sum main void None of these 30 / 76Among unary operation which operator represents increment? -- ++ ! = 31 / 76A string constant in C is terminated by ' ' 'O' " "" 32 / 76Which of the following symbol is not a valid character set? # @ > < 33 / 76The ____ statement is used in the loops to skip a part of the loop and continue the next cycle of the loop. If Break Continue Switch 34 / 76Array elements are always store in ________ memory location Sequential and Random Random Non of these Sequential 35 / 76Which is the unformatted input function to accept a multiword input in c language? getc() scanf() finds() gets() 36 / 76C is _____ Language? Machine Level Low Level Middle Level High Level 37 / 76This of the following statement is not true A compiler finds errors after compilation process A compiler does not create object code A compiler is faster than interpreter A compiler is more efficient than interpreter 38 / 76Which of the following statement is correct? strcmp(s1,s2) returns 0 if s1= =s2 strcmp(s1,s2) returns a number greater than 0 if s1<s2 strcmp(s1,s2) returns 1 if s1= =s2 strcmp(s1,s2) returns a number less than 0 if s1>s2 39 / 76How long the following loop runs? for(x=1;x=3;x++) Three times Never One time Forever 40 / 76C program are converted into machine language with the help of An operating system A compiler Interpreter An Editor 41 / 76Which of the following statement is not true?? A run time errors occur during the running time of the software A logical error is easily detected by compiler. Meaningless instructions make the logical errors A syntax error is easy to find than logical error. 42 / 76Which of the following language is not a type of third generation language? Java BASIC FORTAN C Lanugage 43 / 76Which of the following format specifier is used for string data type? g d s f 44 / 76Which component is not required to define a simple loop? counter statement condition break statement initialization 45 / 76Which of the following is not a type of control structure? Looping Selection Sequence Condition 46 / 76Which operators are known as ternary operators? None of these ?: <,;; ::? 47 / 76Which pair of functions below are used for single character I/O input() and output() getchar() and putchar() scanf() and printf() none of these 48 / 76Which 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. The size of an array is static. An array is collection of dissimilar type of data items. 49 / 76Which of the following is not true? A flowchart can solve complex real-world 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 Algorithm is a finite sequence of instructions for solving a problem 50 / 76What is the output of expression : 7%3 2.5 1 2 3 51 / 76_____ is a picture in which the flows of computational paths are depicted. Algorithm Code Program Flowchart 52 / 76What is program? 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 A finite set of instruction to computer to perform specific task 53 / 76What will be the value of y if x=8? Y=(x>6?4:6) compiler error 4 6 0 54 / 76Null character is represented by n O 2 55 / 76What is the work of break keyword? Halt execution of program None of these Exit form loop or switch statement Restart execution of program 56 / 76Int len=strlen("Jamin Rai"); printf(%d",len);What would be the value of len printed? 9 8 Depends on compiler 10 57 / 76This C function copies the contents of the source string at the end of the target string? none of the options copycat() strcat() both Strcat() & copycat() 58 / 76Which of the following statement is not true? Library function are defined outside header files #include and #define are commonly used preprocessors Preprocessor directive is a special type of program that helps to execute codes before passes through compiler. #include helps to necessary headers files to the program 59 / 76Which of the following is not an arithmetic operator? + & % * 60 / 76Which loop executes at least once if while For do while 61 / 76Which of the following is format specification for printing string in printf() %c %d %f %s 62 / 76If you have to make decision based on multiple choices, which of the following is best suited? If else All of these If If else if 63 / 76++ Operator used within loops increment the value of variable by 10 2 Depends on compiler 1 64 / 76The Expression : a+=4 means a=4+4 a+4=a a=a+4 a=4 65 / 76Operator % in C language is called? Division Quotient operator Modulus Percentage operator 66 / 76Which operator is used to find remainder of two integers? MOD ! % 67 / 76The activity of removing an error in the program is called _____ Debugging Compiling Entering Editing 68 / 76The process of translating a source program into machine language is a function of: Assembler Translator None of these Compiler 69 / 76Which escape character can be used to begin a new line in c? a b m n 70 / 76Which of the following statement is not true? C is structural programming language. C is a general purpose low level programming language C is powerful and portable programming language C is internationally standardized programming language 71 / 76What is the maximum length of a C string? 32 characters None of these options are correct 256 characters 64 characters 72 / 76Which one is input function? puts scanf putchar printf 73 / 76Which function is used to copy string? strcopy strcp strcpy strcat 74 / 76What 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 75 / 76Which of the following operator reverse the result of expression its operators on? && || All of the options are correct ! 76 / 76Which type of constant is defined by using #define? character escape sequence symbolic integer constant Your score isThe average score is 0% 0% Restart quiz Post Views: 1,413
