Programmin Conceps and Logics | Check Your Level | MCQ April 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 / 76This C function copies the contents of the source string at the end of the target string? strcat() none of the options copycat() both Strcat() & copycat() 2 / 76Which of the following is not basic data types in C language? char string int float 3 / 76Which of the following symbol is used to denote a pre-processor statement? ; ~ # ! 4 / 76C program are converted into machine language with the help of Interpreter An operating system An Editor A compiler 5 / 76Which one is input function? puts printf scanf putchar 6 / 76Which of the following statement is not true? C is structural programming language. C is a general purpose low level programming language C is internationally standardized programming language C is powerful and portable programming language 7 / 76The operator && is an example of ____ operator. Assignment Rational Logical Increment 8 / 76Which of the following is not true? A flowchart can solve complex real-world 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. Algorithm is a finite sequence of instructions for solving a problem 9 / 76C Language developed at _____? AT & T's Bell Laboratories of USA in 1972 Sun Microsystem in 1973 AT & T's Bell Laboratories of French in 1972 Cambridge University in 1972 10 / 76Which component is not required to define a simple loop? initialization break statement condition counter statement 11 / 76Int len=strlen("Jamin Rai"); printf(%d",len);What would be the value of len printed? 9 Depends on compiler 8 10 12 / 76A C string element is always stored in? None of these options Alternate memory location Sequential memory location Random access location 13 / 76This of the following statement is not true A compiler is faster than interpreter A compiler is more efficient than interpreter A compiler does not create object code A compiler finds errors after compilation process 14 / 76What is program? A finite set of subprograms to computer to perform specific task All of the options are correct A finite set of functions to computer to perform specific task A finite set of instruction to computer to perform specific task 15 / 76Which function is used to copy string? strcat strcopy strcpy strcp 16 / 76How long the following loop runs? for(x=1;x=3;x++) One time Never Forever Three times 17 / 76Which of the following is not a type of branching statement? Switch case If else Do while If else if 18 / 76What c function copies the contents of one string to another? strcpy() strrev() strcmp() None 19 / 76Which of the following statement is correct? strcmp(s1,s2) returns a number less than 0 if s1>s2 strcmp(s1,s2) returns 1 if s1= =s2 strcmp(s1,s2) returns a number greater than 0 if s1<s2 strcmp(s1,s2) returns 0 if s1= =s2 20 / 76The process of translating a source program into machine language is a function of: Translator Compiler Assembler None of these 21 / 76Which type of constant is defined by using #define? character symbolic integer constant escape sequence 22 / 76Which operator is used to find remainder of two integers? % ! MOD 23 / 76The ____ statement is used in the loops to skip a part of the loop and continue the next cycle of the loop. Switch Continue If Break 24 / 76Which of the following language is not a type of third generation language? BASIC FORTAN Java C Lanugage 25 / 76A labeled statement consist of an identifier followed by = ; , : 26 / 76The continue statement cannot be used with ____ While Switch For Do while 27 / 76Among unary operation which operator represents increment? = -- ! ++ 28 / 76_____ is a picture in which the flows of computational paths are depicted. Program Flowchart Algorithm Code 29 / 76Which of the following symbol is not a valid keyword short break auto else if 30 / 76What is the maximum length of a C string? None of these options are correct 32 characters 64 characters 256 characters 31 / 76++ Operator used within loops increment the value of variable by Depends on compiler 10 2 1 32 / 76Which one is output function? scanf gets printf getchar 33 / 76Which of the following is interpreted language? C++ Language Visual Basic BASIC C Language 34 / 76Every program in C has at least one function which is _________ void None of these sum main 35 / 76A string in C is None of these 2-D Array of Character 1-D Array of character Both 1-D and 2-D array of character 36 / 76How much memory should require holding long integer data in Computer? 2 4 8 1 37 / 76What is the work of break keyword? Halt execution of program Restart execution of program None of these Exit form loop or switch statement 38 / 76Which of the following character is used to terminate an instruction in C Program? Comma Period Colon Semicolon 39 / 76Which is the right way to declare constant in C? const int var = 10; All of these int const var=10; int const var = 10; 40 / 76Which pair of functions below are used for single character I/O scanf() and printf() none of these input() and output() getchar() and putchar() 41 / 76Which of the following symbol is not a valid character set? @ # < > 42 / 76If you have to make decision based on multiple choices, which of the following is best suited? If else If else if If All of these 43 / 76Which header file is essential for using strcmp() finction? string.h text.h strcmp.h strings.h 44 / 76Which of the following statement is not true?? Meaningless instructions make the logical errors A run time errors occur during the running time of the software A syntax error is easy to find than logical error. A logical error is easily detected by compiler. 45 / 76Which type of type specifier is used to hold integer type data? %d %e %c %f 46 / 76The operator & is used for Bitwise OR Logical OR Logical AND Bitwise AND 47 / 76What will be the value of y if x=8? Y=(x>6?4:6) 0 4 compiler error 6 48 / 76Number of keywords present in C languages is? 32 62 34 64 49 / 76Which escape character can be used to begin a new line in c? n a b m 50 / 76The Expression : a+=4 means a=4 a+4=a a=4+4 a=a+4 51 / 76Which operators are known as ternary operators? ?: ::? <,;; None of these 52 / 76Which loop executes at least once do while while if For 53 / 76Which of the following is not an arithmetic operator? + & % * 54 / 76C is _____ Language? Middle Level Low Level Machine Level High Level 55 / 76Which component is not required in a simple if else statement? counter statement false statement true statement condition 56 / 76Which of the following is format specification for printing string in printf() %d %s %f %c 57 / 76Which keyword can be used for coming out of recursion? Break Both Return and Break Return Exit 58 / 76Array elements are always store in ________ memory location Random Non of these Sequential and Random Sequential 59 / 76What is the output of expression : 7%3 3 2 2.5 1 60 / 76Which of the following format specifier is used for string data type? s g f d 61 / 76Null character is represented by O n 2 62 / 76Which of the following statement is not true? Preprocessor directive is a special type of program that helps to execute codes before passes through compiler. #include and #define are commonly used preprocessors #include helps to necessary headers files to the program Library function are defined outside header files 63 / 76Which among the following is an unconditional control structure? for if-else goto do-while 64 / 76What is the use of sqrt() library function? To find roots of equations To find square root of a circle. To find square of given number To find square root of given number. 65 / 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. 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 66 / 76Which function is used to display a string? putchar printf scanf gets 67 / 76Which is the unformatted input function to accept a multiword input in c language? gets() scanf() finds() getc() 68 / 76Which of the following operator reverse the result of expression its operators on? && || ! All of the options are correct 69 / 76Which of the following is not a type of control structure? Selection Sequence Looping Condition 70 / 76Which of the following symbol is valid identifier? X_1 1_x 1.x x.1 71 / 76Who is the father of C programming? Von Neuman E.F. Codd James A. Gosling Dennis Ritchie 72 / 76A string constant in C is terminated by ' ' " 'O' "" 73 / 76Which statement is not true? The size of an array is static. 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. 74 / 76Operator % in C language is called? Quotient operator Division Modulus Percentage operator 75 / 76The activity of removing an error in the program is called _____ Editing Entering Compiling Debugging 76 / 76Which of the following is not a loop used in C For loop For each loop Do while loop While loop Your score isThe average score is 57% 0% Restart quiz Post Views: 391