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 / 76Which function is used to copy string? strcat strcopy strcp strcpy 2 / 76What will be the value of y if x=8? Y=(x>6?4:6) 6 0 compiler error 4 3 / 76C is _____ Language? Middle Level Machine Level Low Level High Level 4 / 76Which header file is essential for using strcmp() finction? strcmp.h text.h string.h strings.h 5 / 76Which of the following symbol is valid identifier? x.1 1.x X_1 1_x 6 / 76Int len=strlen("Jamin Rai"); printf(%d",len);What would be the value of len printed? 10 8 9 Depends on compiler 7 / 76Which component is not required in a simple if else statement? false statement true statement condition counter statement 8 / 76This C function copies the contents of the source string at the end of the target string? strcat() none of the options both Strcat() & copycat() copycat() 9 / 76C Language developed at _____? AT & T's Bell Laboratories of French in 1972 Cambridge University in 1972 AT & T's Bell Laboratories of USA in 1972 Sun Microsystem in 1973 10 / 76Which of the following statement is not true? C is internationally standardized programming language C is powerful and portable programming language C is a general purpose low level programming language C is structural programming language. 11 / 76Which function is used to display a string? scanf printf gets putchar 12 / 76What is the output of expression : 7%3 2.5 2 3 1 13 / 76A string constant in C is terminated by "" " ' ' 'O' 14 / 76Which type of type specifier is used to hold integer type data? %e %c %f %d 15 / 76Which of the following is not an arithmetic operator? & + % * 16 / 76Which one is output function? scanf printf getchar gets 17 / 76What is the work of break keyword? None of these Restart execution of program Halt execution of program Exit form loop or switch statement 18 / 76The operator & is used for Logical OR Logical AND Bitwise OR Bitwise AND 19 / 76++ Operator used within loops increment the value of variable by 2 1 10 Depends on compiler 20 / 76Which loop executes at least once while do while For if 21 / 76Which among the following is an unconditional control structure? for goto do-while if-else 22 / 76Which escape character can be used to begin a new line in c? b m a n 23 / 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 24 / 76What is program? All of the options are correct A finite set of instruction to computer to perform specific task A finite set of subprograms to computer to perform specific task A finite set of functions to computer to perform specific task 25 / 76Which of the following is interpreted language? C++ Language C Language Visual Basic BASIC 26 / 76Which of the following is not a loop used in C Do while loop For loop For each loop While loop 27 / 76How long the following loop runs? for(x=1;x=3;x++) Forever One time Three times Never 28 / 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 29 / 76Which component is not required to define a simple loop? counter statement initialization break statement condition 30 / 76The continue statement cannot be used with ____ For Do while Switch While 31 / 76Which operator is used to find remainder of two integers? ! % MOD 32 / 76Which of the following statement is not true? 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. BCD code is represented in terms of 5 bits to represent a single decimal digit. ACSII is 8 bit codes to represents 256 characters or symbols 33 / 76Which of the following is format specification for printing string in printf() %d %s %f %c 34 / 76This of the following statement is not true A compiler is faster than interpreter A compiler finds errors after compilation process A compiler does not create object code A compiler is more efficient than interpreter 35 / 76Which of the following symbol is not a valid keyword else if short break auto 36 / 76The activity of removing an error in the program is called _____ Compiling Editing Debugging Entering 37 / 76If you have to make decision based on multiple choices, which of the following is best suited? All of these If If else if If else 38 / 76Which operators are known as ternary operators? <,;; ::? None of these ?: 39 / 76Which of the following language is not a type of third generation language? FORTAN C Lanugage BASIC Java 40 / 76Number of keywords present in C languages is? 34 64 32 62 41 / 76How much memory should require holding long integer data in Computer? 8 2 1 4 42 / 76C program are converted into machine language with the help of An Editor Interpreter A compiler An operating system 43 / 76Which 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 A logical error is easily detected by compiler. Meaningless instructions make the logical errors 44 / 76_____ is a picture in which the flows of computational paths are depicted. Algorithm Code Program Flowchart 45 / 76What is the maximum length of a C string? 256 characters None of these options are correct 32 characters 64 characters 46 / 76Which of the following format specifier is used for string data type? f g s d 47 / 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. 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 48 / 76A labeled statement consist of an identifier followed by : = ; , 49 / 76Every program in C has at least one function which is _________ main sum void None of these 50 / 76The operator && is an example of ____ operator. Logical Assignment Increment Rational 51 / 76Which of the following is not a type of control structure? Looping Condition Sequence Selection 52 / 76Operator % in C language is called? Division Quotient operator Modulus Percentage operator 53 / 76What c function copies the contents of one string to another? strcmp() None strcpy() strrev() 54 / 76A C string element is always stored in? None of these options Sequential memory location Alternate memory location Random access location 55 / 76The process of translating a source program into machine language is a function of: None of these Compiler Assembler Translator 56 / 76Who is the father of C programming? Von Neuman James A. Gosling Dennis Ritchie E.F. Codd 57 / 76Which of the following symbol is used to denote a pre-processor statement? ~ ; ! # 58 / 76Which type of constant is defined by using #define? character integer constant symbolic escape sequence 59 / 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 dissimilar type of data items. An array is collection of similar type of data items. 60 / 76Which of the following symbol is not a valid character set? # @ > < 61 / 76Which is the unformatted input function to accept a multiword input in c language? scanf() finds() gets() getc() 62 / 76Array elements are always store in ________ memory location Non of these Sequential Sequential and Random Random 63 / 76Which of the following operator reverse the result of expression its operators on? && || ! All of the options are correct 64 / 76Which one is input function? puts printf scanf putchar 65 / 76Which of the following is not basic data types in C language? char float string int 66 / 76Which keyword can be used for coming out of recursion? Return Break Exit Both Return and Break 67 / 76Which of the following is not a type of branching statement? Do while If else If else if Switch case 68 / 76Null character is represented by n 2 O 69 / 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 70 / 76Among unary operation which operator represents increment? -- ! ++ = 71 / 76Which pair of functions below are used for single character I/O getchar() and putchar() scanf() and printf() none of these input() and output() 72 / 76The ____ statement is used in the loops to skip a part of the loop and continue the next cycle of the loop. Continue Switch Break If 73 / 76Which of the following character is used to terminate an instruction in C Program? Semicolon Period Comma Colon 74 / 76The Expression : a+=4 means a+4=a a=4 a=4+4 a=a+4 75 / 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 helps to necessary headers files to the program Library function are defined outside header files #include and #define are commonly used preprocessors 76 / 76What is the use of sqrt() library function? To find square root of given number. To find square root of a circle. To find square of given number To find roots of equations Your score isThe average score is 57% 0% Restart quiz Post Views: 830
