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 / 76Who is the father of C programming? E.F. Codd James A. Gosling Von Neuman Dennis Ritchie 2 / 76The operator && is an example of ____ operator. Assignment Logical Rational Increment 3 / 76Which of the following is not a type of control structure? Condition Selection Looping Sequence 4 / 76Which of the following is not true? Algorithm is a finite sequence of instructions for solving a problem 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 5 / 76A labeled statement consist of an identifier followed by : , = ; 6 / 76Which one is input function? printf scanf putchar puts 7 / 76Which of the following character is used to terminate an instruction in C Program? Colon Comma Semicolon Period 8 / 76Which of the following symbol is not a valid character set? > @ < # 9 / 76Which of the following symbol is valid identifier? 1.x X_1 x.1 1_x 10 / 76A C string element is always stored in? None of these options Alternate memory location Random access location Sequential memory location 11 / 76What is the use of sqrt() library function? To find square of given number To find square root of given number. To find roots of equations To find square root of a circle. 12 / 76What is the work of break keyword? None of these Halt execution of program Exit form loop or switch statement Restart execution of program 13 / 76Which is the unformatted input function to accept a multiword input in c language? scanf() getc() gets() finds() 14 / 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 15 / 76_____ is a picture in which the flows of computational paths are depicted. Flowchart Code Algorithm Program 16 / 76Which statement is not true? An array is collection of dissimilar 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 similar type of data items. 17 / 76Which of the following format specifier is used for string data type? f s g d 18 / 76Array elements are always store in ________ memory location Non of these Sequential Random Sequential and Random 19 / 76Which escape character can be used to begin a new line in c? m b a n 20 / 76How long the following loop runs? for(x=1;x=3;x++) Forever Three times Never One time 21 / 76Which component is not required to define a simple loop? break statement counter statement condition initialization 22 / 76Which loop executes at least once For while do while if 23 / 76C program are converted into machine language with the help of An Editor A compiler An operating system Interpreter 24 / 76The process of translating a source program into machine language is a function of: None of these Translator Assembler Compiler 25 / 76What is the output of expression : 7%3 2.5 3 2 1 26 / 76Which of the following statement is not true?? A syntax error is easy to find than logical error. A logical error is easily detected by compiler. A run time errors occur during the running time of the software Meaningless instructions make the logical errors 27 / 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 28 / 76The Expression : a+=4 means a=4+4 a+4=a a=a+4 a=4 29 / 76Which of the following is interpreted language? C Language Visual Basic BASIC C++ Language 30 / 76Operator % in C language is called? Modulus Quotient operator Percentage operator Division 31 / 76Null character is represented by O n 2 32 / 76Which of the following is not a loop used in C For each loop For loop Do while loop While loop 33 / 76Which of the following symbol is used to denote a pre-processor statement? ! ~ # ; 34 / 76If 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 35 / 76Which of the following language is not a type of third generation language? FORTAN C Lanugage BASIC Java 36 / 76Every program in C has at least one function which is _________ void None of these sum main 37 / 76Which pair of functions below are used for single character I/O none of these scanf() and printf() input() and output() getchar() and putchar() 38 / 76The operator & is used for Bitwise AND Logical OR Logical AND Bitwise OR 39 / 76Which operator is used to find remainder of two integers? ! % MOD 40 / 76What is the maximum length of a C string? None of these options are correct 32 characters 256 characters 64 characters 41 / 76What is program? A finite set of subprograms to computer to perform specific task A finite set of instruction to computer to perform specific task A finite set of functions to computer to perform specific task All of the options are correct 42 / 76This C function copies the contents of the source string at the end of the target string? both Strcat() & copycat() strcat() none of the options copycat() 43 / 76Which type of type specifier is used to hold integer type data? %c %e %f %d 44 / 76C is _____ Language? High Level Middle Level Low Level Machine Level 45 / 76Which of the following symbol is not a valid keyword else if short break auto 46 / 76Which type of constant is defined by using #define? escape sequence integer constant symbolic character 47 / 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 powerful and portable programming language C is structural programming language. 48 / 76Int len=strlen("Jamin Rai"); printf(%d",len);What would be the value of len printed? 9 10 8 Depends on compiler 49 / 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 50 / 76How much memory should require holding long integer data in Computer? 2 8 4 1 51 / 76Which 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 1 if s1= =s2 strcmp(s1,s2) returns 0 if s1= =s2 52 / 76Which of the following is format specification for printing string in printf() %d %c %f %s 53 / 76C Language developed at _____? Sun Microsystem in 1973 AT & T's Bell Laboratories of USA in 1972 AT & T's Bell Laboratories of French in 1972 Cambridge University in 1972 54 / 76Which of the following statement is not true? 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 ACSII is 8 bit codes to represents 256 characters or symbols 55 / 76The continue statement cannot be used with ____ For Switch While Do while 56 / 76Which one is output function? scanf printf gets getchar 57 / 76Which function is used to copy string? strcp strcopy strcpy strcat 58 / 76The activity of removing an error in the program is called _____ Compiling Debugging Entering Editing 59 / 76What will be the value of y if x=8? Y=(x>6?4:6) 6 compiler error 0 4 60 / 76Which among the following is an unconditional control structure? goto if-else for do-while 61 / 76Among unary operation which operator represents increment? ++ ! = -- 62 / 76++ Operator used within loops increment the value of variable by 2 Depends on compiler 10 1 63 / 76Which of the following is not a type of branching statement? If else if Switch case Do while If else 64 / 76Which component is not required in a simple if else statement? condition false statement counter statement true statement 65 / 76What c function copies the contents of one string to another? strrev() strcpy() strcmp() None 66 / 76Which function is used to display a string? scanf gets putchar printf 67 / 76Which of the following statement is not true? #include helps to necessary headers files to the program #include and #define are commonly used preprocessors Library function are defined outside header files Preprocessor directive is a special type of program that helps to execute codes before passes through compiler. 68 / 76Number of keywords present in C languages is? 32 62 64 34 69 / 76Which of the following is not basic data types in C language? int string char float 70 / 76Which header file is essential for using strcmp() finction? string.h text.h strings.h strcmp.h 71 / 76Which of the following operator reverse the result of expression its operators on? || All of the options are correct ! && 72 / 76A string constant in C is terminated by ' ' 'O' " "" 73 / 76Which of the following is not an arithmetic operator? % * & + 74 / 76Which operators are known as ternary operators? None of these ?: <,;; ::? 75 / 76Which keyword can be used for coming out of recursion? Return Break Exit Both Return and Break 76 / 76A string in C is 1-D Array of character 2-D Array of Character Both 1-D and 2-D array of character None of these Your score isThe average score is 57% 0% Restart quiz Post Views: 999