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 / 76Int len=strlen("Jamin Rai"); printf(%d",len);What would be the value of len printed? 8 9 10 Depends on compiler 2 / 76Which statement is not true? The size of an array is static. 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. 3 / 76Among unary operation which operator represents increment? ! ++ -- = 4 / 76What is the output of expression : 7%3 2.5 3 2 1 5 / 76What is the maximum length of a C string? 32 characters 64 characters None of these options are correct 256 characters 6 / 76If you have to make decision based on multiple choices, which of the following is best suited? If If else if If else All of these 7 / 76Which keyword can be used for coming out of recursion? Exit Both Return and Break Break Return 8 / 76Which of the following symbol is not a valid keyword auto break else if short 9 / 76Which of the following symbol is valid identifier? 1.x X_1 1_x x.1 10 / 76Which of the following is not a loop used in C For each loop For loop Do while loop While loop 11 / 76++ Operator used within loops increment the value of variable by 1 10 Depends on compiler 2 12 / 76Which is the right way to declare constant in C? int const var = 10; int const var=10; All of these const int var = 10; 13 / 76Which is the unformatted input function to accept a multiword input in c language? getc() finds() gets() scanf() 14 / 76The operator & is used for Bitwise AND Logical AND Bitwise OR Logical OR 15 / 76_____ is a picture in which the flows of computational paths are depicted. Program Code Algorithm Flowchart 16 / 76How much memory should require holding long integer data in Computer? 4 2 1 8 17 / 76Which of the following statement is not true? #include helps to necessary headers files to the program Library function are defined outside header files Preprocessor directive is a special type of program that helps to execute codes before passes through compiler. #include and #define are commonly used preprocessors 18 / 76This of the following statement is not true A compiler finds errors after compilation process A compiler is more efficient than interpreter A compiler does not create object code A compiler is faster than interpreter 19 / 76Operator % in C language is called? Quotient operator Percentage operator Modulus Division 20 / 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() 21 / 76What c function copies the contents of one string to another? strcpy() None strrev() strcmp() 22 / 76Which of the following is not an arithmetic operator? * % & + 23 / 76Which one is input function? putchar puts scanf printf 24 / 76Which of the following statement is not true?? Meaningless instructions make the logical errors 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 25 / 76The continue statement cannot be used with ____ For While Do while Switch 26 / 76A string constant in C is terminated by ' ' "" " 'O' 27 / 76Which of the following symbol is not a valid character set? # @ > < 28 / 76C program are converted into machine language with the help of An Editor Interpreter A compiler An operating system 29 / 76The Expression : a+=4 means a=4+4 a=a+4 a+4=a a=4 30 / 76Which of the following is not a type of branching statement? Switch case Do while If else if If else 31 / 76A C string element is always stored in? Alternate memory location None of these options Random access location Sequential memory location 32 / 76Which one is output function? scanf printf gets getchar 33 / 76Which component is not required to define a simple loop? counter statement break statement condition initialization 34 / 76Which pair of functions below are used for single character I/O getchar() and putchar() input() and output() scanf() and printf() none of these 35 / 76Array elements are always store in ________ memory location Non of these Sequential and Random Sequential Random 36 / 76Which of the following format specifier is used for string data type? s d g f 37 / 76What is the use of sqrt() library function? To find roots of equations To find square of given number To find square root of a circle. To find square root of given number. 38 / 76The activity of removing an error in the program is called _____ Compiling Debugging Editing Entering 39 / 76Which of the following character is used to terminate an instruction in C Program? Comma Period Colon Semicolon 40 / 76The operator && is an example of ____ operator. Increment Assignment Logical Rational 41 / 76Which operators are known as ternary operators? <,;; ::? ?: None of these 42 / 76Which of the following is format specification for printing string in printf() %s %d %f %c 43 / 76Which of the following statement is correct? 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 strcmp(s1,s2) returns a number less than 0 if s1>s2 44 / 76Which function is used to copy string? strcpy strcat strcopy strcp 45 / 76Who is the father of C programming? E.F. Codd Von Neuman James A. Gosling Dennis Ritchie 46 / 76Which of the following statement is not true? C is powerful and portable programming language C is internationally standardized programming language C is structural programming language. C is a general purpose low level programming language 47 / 76A string in C is 2-D Array of Character None of these 1-D Array of character Both 1-D and 2-D array of character 48 / 76Which of the following is interpreted language? BASIC C Language C++ Language Visual Basic 49 / 76Which type of constant is defined by using #define? character escape sequence symbolic integer constant 50 / 76Which header file is essential for using strcmp() finction? strcmp.h string.h strings.h text.h 51 / 76Which escape character can be used to begin a new line in c? b m a n 52 / 76Which function is used to display a string? gets scanf printf putchar 53 / 76Which loop executes at least once if do while For while 54 / 76A labeled statement consist of an identifier followed by , ; = : 55 / 76The ____ statement is used in the loops to skip a part of the loop and continue the next cycle of the loop. If Switch Continue Break 56 / 76The process of translating a source program into machine language is a function of: None of these Compiler Translator Assembler 57 / 76Which among the following is an unconditional control structure? if-else do-while for goto 58 / 76How long the following loop runs? for(x=1;x=3;x++) One time Three times Never Forever 59 / 76Which of the following is not a type of control structure? Sequence Selection Condition Looping 60 / 76Which of the following symbol is used to denote a pre-processor statement? ; ! # ~ 61 / 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 62 / 76What is the work of break keyword? None of these Exit form loop or switch statement Restart execution of program Halt execution of program 63 / 76Which of the following is not basic data types in C language? string float int char 64 / 76Which of the following operator reverse the result of expression its operators on? && All of the options are correct ! || 65 / 76Which type of type specifier is used to hold integer type data? %d %f %c %e 66 / 76Which of the following language is not a type of third generation language? Java C Lanugage FORTAN BASIC 67 / 76Number of keywords present in C languages is? 32 62 64 34 68 / 76Which operator is used to find remainder of two integers? % MOD ! 69 / 76What is program? A finite set of functions to computer to perform specific task 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 70 / 76Null character is represented by 2 O n 71 / 76Which component is not required in a simple if else statement? condition true statement counter statement false statement 72 / 76C is _____ Language? Machine Level High Level Middle Level Low Level 73 / 76Every program in C has at least one function which is _________ sum main None of these void 74 / 76What will be the value of y if x=8? Y=(x>6?4:6) 4 0 6 compiler error 75 / 76Which of the following is not true? A flowchart can solve complex real-world problem Algorithm is a finite sequence of instructions for solving a 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 76 / 76C 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 Your score isThe average score is 57% 0% Restart quiz Post Views: 1,115
