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 display a string? printf gets scanf putchar 2 / 76Which of the following symbol is used to denote a pre-processor statement? ; # ~ ! 3 / 76This of the following statement is not true A compiler does not create object code A compiler is faster than interpreter A compiler finds errors after compilation process A compiler is more efficient than interpreter 4 / 76What is the work of break keyword? None of these Halt execution of program Exit form loop or switch statement Restart execution of program 5 / 76Which among the following is an unconditional control structure? if-else do-while goto for 6 / 76Which type of type specifier is used to hold integer type data? %d %f %c %e 7 / 76_____ is a picture in which the flows of computational paths are depicted. Flowchart Program Code Algorithm 8 / 76What is the use of sqrt() library function? To find roots of equations To find square root of given number. To find square root of a circle. To find square of given number 9 / 76Which of the following statement is correct? strcmp(s1,s2) returns a number less than 0 if s1>s2 strcmp(s1,s2) returns 0 if s1= =s2 strcmp(s1,s2) returns 1 if s1= =s2 strcmp(s1,s2) returns a number greater than 0 if s1<s2 10 / 76The activity of removing an error in the program is called _____ Editing Entering Debugging Compiling 11 / 76Which of the following operator reverse the result of expression its operators on? All of the options are correct ! && || 12 / 76C is _____ Language? Machine Level Middle Level Low Level High Level 13 / 76Among unary operation which operator represents increment? ++ = ! -- 14 / 76Which pair of functions below are used for single character I/O scanf() and printf() getchar() and putchar() input() and output() none of these 15 / 76Which header file is essential for using strcmp() finction? strcmp.h strings.h text.h string.h 16 / 76The process of translating a source program into machine language is a function of: Compiler Translator Assembler None of these 17 / 76A labeled statement consist of an identifier followed by ; : = , 18 / 76Number of keywords present in C languages is? 34 62 64 32 19 / 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 20 / 76C program are converted into machine language with the help of A compiler An operating system An Editor Interpreter 21 / 76A C string element is always stored in? Sequential memory location None of these options Random access location Alternate memory location 22 / 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 23 / 76Null character is represented by n 2 O 24 / 76C Language developed at _____? Cambridge University in 1972 AT & T's Bell Laboratories of French in 1972 Sun Microsystem in 1973 AT & T's Bell Laboratories of USA in 1972 25 / 76Which escape character can be used to begin a new line in c? a n b m 26 / 76Which of the following symbol is valid identifier? X_1 1.x 1_x x.1 27 / 76Which of the following symbol is not a valid character set? # @ < > 28 / 76Which one is input function? puts putchar scanf printf 29 / 76Array elements are always store in ________ memory location Sequential and Random Random Non of these Sequential 30 / 76Which of the following is not an arithmetic operator? % + & * 31 / 76Which of the following is interpreted language? BASIC C++ Language Visual Basic C Language 32 / 76What c function copies the contents of one string to another? strcmp() None strcpy() strrev() 33 / 76What is the maximum length of a C string? 64 characters 32 characters None of these options are correct 256 characters 34 / 76Operator % in C language is called? Division Quotient operator Percentage operator Modulus 35 / 76The continue statement cannot be used with ____ Switch For Do while While 36 / 76Which of the following character is used to terminate an instruction in C Program? Period Semicolon Comma Colon 37 / 76Which of the following is not a type of branching statement? If else If else if Switch case Do while 38 / 76How long the following loop runs? for(x=1;x=3;x++) Never Forever One time Three times 39 / 76Which of the following statement is not true? Unicode is 16 bits codes to represent 65536 different characters, numbers, symbols,, etc. 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. ACSII is 8 bit codes to represents 256 characters or symbols 40 / 76Which keyword can be used for coming out of recursion? Break Both Return and Break Exit Return 41 / 76Which of the following format specifier is used for string data type? s g d f 42 / 76What will be the value of y if x=8? Y=(x>6?4:6) 4 compiler error 6 0 43 / 76If you have to make decision based on multiple choices, which of the following is best suited? If If else If else if All of these 44 / 76Which type of constant is defined by using #define? symbolic character integer constant escape sequence 45 / 76Which loop executes at least once while do while if For 46 / 76Which function is used to copy string? strcpy strcat strcp strcopy 47 / 76Which of the following language is not a type of third generation language? BASIC Java C Lanugage FORTAN 48 / 76Which of the following is not a type of control structure? Sequence Condition Looping Selection 49 / 76The operator && is an example of ____ operator. Logical Increment Rational Assignment 50 / 76Which operators are known as ternary operators? ::? None of these <,;; ?: 51 / 76A string in C is Both 1-D and 2-D array of character 2-D Array of Character None of these 1-D Array of character 52 / 76Which statement is not true? An array is collection of similar 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 dissimilar type of data items. 53 / 76How much memory should require holding long integer data in Computer? 2 4 8 1 54 / 76Which one is output function? gets getchar printf scanf 55 / 76++ Operator used within loops increment the value of variable by Depends on compiler 10 2 1 56 / 76Who is the father of C programming? Dennis Ritchie Von Neuman E.F. Codd James A. Gosling 57 / 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 structural programming language. C is powerful and portable programming language 58 / 76The operator & is used for Bitwise AND Logical AND Bitwise OR Logical OR 59 / 76Which of the following is not basic data types in C language? string int float char 60 / 76Which component is not required to define a simple loop? break statement counter statement initialization condition 61 / 76What is program? A finite set of functions to computer to perform specific task All of the options are correct A finite set of subprograms to computer to perform specific task A finite set of instruction to computer to perform specific task 62 / 76Which of the following symbol is not a valid keyword short break else if auto 63 / 76This C function copies the contents of the source string at the end of the target string? copycat() none of the options both Strcat() & copycat() strcat() 64 / 76Every program in C has at least one function which is _________ void main None of these sum 65 / 76A string constant in C is terminated by " 'O' "" ' ' 66 / 76What is the output of expression : 7%3 2 3 1 2.5 67 / 76Which of the following is not true? Flowchart is a pictorial form of algorithm that describes the procedure to solve a problem 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. 68 / 76Which operator is used to find remainder of two integers? MOD % ! 69 / 76The Expression : a+=4 means a=a+4 a+4=a a=4 a=4+4 70 / 76Which of the following is format specification for printing string in printf() %c %s %f %d 71 / 76Which is the unformatted input function to accept a multiword input in c language? getc() gets() scanf() finds() 72 / 76Which is the right way to declare constant in C? const int var = 10; int const var=10; All of these int const var = 10; 73 / 76Which component is not required in a simple if else statement? true statement condition false statement counter statement 74 / 76Which of the following is not a loop used in C For each loop While loop Do while loop For loop 75 / 76Int len=strlen("Jamin Rai"); printf(%d",len);What would be the value of len printed? 8 10 Depends on compiler 9 76 / 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 Your score isThe average score is 62% 0% Restart quiz Post Views: 120
