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 operators are known as ternary operators? ::? ?: None of these <,;; 2 / 76How long the following loop runs? for(x=1;x=3;x++) One time Never Three times Forever 3 / 76Which of the following statement is not true? 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. Unicode is 16 bits codes to represent 65536 different characters, numbers, symbols,, etc. ACSII is 8 bit codes to represents 256 characters or symbols 4 / 76Who is the father of C programming? Von Neuman Dennis Ritchie James A. Gosling E.F. Codd 5 / 76Which function is used to display a string? printf scanf gets putchar 6 / 76Which is the unformatted input function to accept a multiword input in c language? gets() scanf() finds() getc() 7 / 76Which of the following format specifier is used for string data type? s g d f 8 / 76Which of the following is not a type of control structure? Looping Condition Selection Sequence 9 / 76Which operator is used to find remainder of two integers? ! % MOD 10 / 76Which of the following statement is not true? #include and #define are commonly used preprocessors #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. 11 / 76Which of the following is not a loop used in C While loop For each loop For loop Do while loop 12 / 76Which component is not required to define a simple loop? break statement counter statement initialization condition 13 / 76Which of the following statement is correct? 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 strcmp(s1,s2) returns a number greater than 0 if s1<s2 14 / 76Which of the following statement is not true?? A logical error is easily detected by compiler. Meaningless instructions make the logical errors A syntax error is easy to find than logical error. A run time errors occur during the running time of the software 15 / 76Which among the following is an unconditional control structure? if-else goto for do-while 16 / 76Which of the following symbol is not a valid keyword short else if break auto 17 / 76Which type of constant is defined by using #define? integer constant escape sequence character symbolic 18 / 76Which type of type specifier is used to hold integer type data? %f %e %c %d 19 / 76The ____ statement is used in the loops to skip a part of the loop and continue the next cycle of the loop. If Switch Break Continue 20 / 76Which function is used to copy string? strcopy strcpy strcp strcat 21 / 76How much memory should require holding long integer data in Computer? 2 1 4 8 22 / 76_____ is a picture in which the flows of computational paths are depicted. Flowchart Code Program Algorithm 23 / 76The process of translating a source program into machine language is a function of: Assembler Translator Compiler None of these 24 / 76The operator & is used for Logical AND Bitwise AND Logical OR Bitwise OR 25 / 76Which one is output function? printf scanf gets getchar 26 / 76++ Operator used within loops increment the value of variable by Depends on compiler 2 10 1 27 / 76Which of the following symbol is valid identifier? x.1 1.x 1_x X_1 28 / 76A string constant in C is terminated by "" ' ' 'O' " 29 / 76What is the maximum length of a C string? 256 characters 64 characters 32 characters None of these options are correct 30 / 76C program are converted into machine language with the help of Interpreter An operating system A compiler An Editor 31 / 76Which of the following is interpreted language? Visual Basic BASIC C++ Language C Language 32 / 76Which of the following character is used to terminate an instruction in C Program? Semicolon Colon Period Comma 33 / 76Which statement is not true? An array is collection of dissimilar type of data items. 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. 34 / 76Which of the following is not basic data types in C language? char float string int 35 / 76What will be the value of y if x=8? Y=(x>6?4:6) 6 compiler error 4 0 36 / 76Which of the following symbol is used to denote a pre-processor statement? ! ~ # ; 37 / 76A C string element is always stored in? Sequential memory location None of these options Alternate memory location Random access location 38 / 76The activity of removing an error in the program is called _____ Compiling Editing Debugging Entering 39 / 76What c function copies the contents of one string to another? strcmp() strcpy() None strrev() 40 / 76What is the use of sqrt() library function? To find square root of a circle. To find roots of equations To find square of given number To find square root of given number. 41 / 76Which of the following is not a type of branching statement? Do while Switch case If else If else if 42 / 76The Expression : a+=4 means a=a+4 a=4+4 a=4 a+4=a 43 / 76Which header file is essential for using strcmp() finction? text.h strcmp.h string.h strings.h 44 / 76Which of the following symbol is not a valid character set? > < # @ 45 / 76What is the output of expression : 7%3 2.5 2 1 3 46 / 76Among unary operation which operator represents increment? ++ ! -- = 47 / 76Array elements are always store in ________ memory location Non of these Sequential Sequential and Random Random 48 / 76Int len=strlen("Jamin Rai"); printf(%d",len);What would be the value of len printed? 9 10 8 Depends on compiler 49 / 76Number of keywords present in C languages is? 64 32 62 34 50 / 76What is the work of break keyword? Exit form loop or switch statement Restart execution of program Halt execution of program None of these 51 / 76Null character is represented by O 2 n 52 / 76Which escape character can be used to begin a new line in c? n a b m 53 / 76A string in C is None of these Both 1-D and 2-D array of character 2-D Array of Character 1-D Array of character 54 / 76The continue statement cannot be used with ____ Do while For While Switch 55 / 76A labeled statement consist of an identifier followed by = , ; : 56 / 76Every program in C has at least one function which is _________ sum void None of these main 57 / 76Which of the following is not true? 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 A flowchart can solve complex real-world problem Pseudo code is expressed in terms of English like structure and mathematical expression. 58 / 76Which one is input function? putchar scanf puts printf 59 / 76Operator % in C language is called? Modulus Division Quotient operator Percentage operator 60 / 76Which loop executes at least once while do while if For 61 / 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. 62 / 76This of the following statement is not true A compiler is faster than interpreter A compiler does not create object code A compiler is more efficient than interpreter A compiler finds errors after compilation process 63 / 76Which of the following operator reverse the result of expression its operators on? ! && || All of the options are correct 64 / 76C is _____ Language? Machine Level Low Level Middle Level High Level 65 / 76Which pair of functions below are used for single character I/O input() and output() none of these getchar() and putchar() scanf() and printf() 66 / 76Which is the right way to declare constant in C? All of these int const var=10; const int var = 10; int const var = 10; 67 / 76Which component is not required in a simple if else statement? true statement condition false statement counter statement 68 / 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 69 / 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() 70 / 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 71 / 76Which of the following language is not a type of third generation language? C Lanugage Java BASIC FORTAN 72 / 76What is program? All of the options are correct A finite set of instruction to computer to perform specific task A finite set of functions to computer to perform specific task A finite set of subprograms to computer to perform specific task 73 / 76Which of the following is format specification for printing string in printf() %f %d %s %c 74 / 76The operator && is an example of ____ operator. Increment Logical Rational Assignment 75 / 76Which keyword can be used for coming out of recursion? Both Return and Break Exit Break Return 76 / 76Which of the following is not an arithmetic operator? & + * % Your score isThe average score is 57% 0% Restart quiz Post Views: 1,012
