Programming Concepts and Logics | Check Your Level | MCQ April 3, 2025April 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 of the following statement is not true? ACSII is 8 bit codes to represents 256 characters or symbols 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. 2 / 76A string constant in C is terminated by ' ' 'O' "" " 3 / 76The activity of removing an error in the program is called _____ Debugging Editing Entering Compiling 4 / 76Which of the following is interpreted language? C Language Visual Basic C++ Language BASIC 5 / 76What is the use of sqrt() library function? To find roots of equations To find square of given number To find square root of given number. To find square root of a circle. 6 / 76C Language developed at _____? Sun Microsystem in 1973 AT & T's Bell Laboratories of French in 1972 AT & T's Bell Laboratories of USA in 1972 Cambridge University in 1972 7 / 76What will be the value of y if x=8? Y=(x>6?4:6) compiler error 6 0 4 8 / 76Which one is input function? putchar scanf puts printf 9 / 76Which statement is not true? An array is collection of similar type of data items. 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. 10 / 76Which of the following is not a type of branching statement? If else if Switch case If else Do while 11 / 76Among unary operation which operator represents increment? = ++ -- ! 12 / 76Which of the following symbol is used to denote a pre-processor statement? ; ~ ! # 13 / 76Which of the following language is not a type of third generation language? C Lanugage FORTAN BASIC Java 14 / 76Which of the following symbol is valid identifier? 1.x 1_x x.1 X_1 15 / 76Which one is output function? scanf printf gets getchar 16 / 76Which of the following is not an arithmetic operator? & * + % 17 / 76If you have to make decision based on multiple choices, which of the following is best suited? If else All of these If else if If 18 / 76Int len=strlen("Jamin Rai"); printf(%d",len);What would be the value of len printed? 9 10 8 Depends on compiler 19 / 76Which of the following is not a type of control structure? Looping Condition Selection Sequence 20 / 76What is the output of expression : 7%3 2 1 3 2.5 21 / 76Who is the father of C programming? Dennis Ritchie Von Neuman E.F. Codd James A. Gosling 22 / 76Which component is not required in a simple if else statement? false statement condition counter statement true statement 23 / 76The process of translating a source program into machine language is a function of: Translator Assembler None of these Compiler 24 / 76Which of the following statement is not true? C is internationally standardized programming language C is a general purpose low level programming language C is structural programming language. C is powerful and portable programming language 25 / 76Which of the following is format specification for printing string in printf() %c %f %d %s 26 / 76This of the following statement is not true A compiler finds errors after compilation process A compiler is faster than interpreter A compiler does not create object code A compiler is more efficient than interpreter 27 / 76The continue statement cannot be used with ____ While Do while Switch For 28 / 76Which among the following is an unconditional control structure? for if-else goto do-while 29 / 76The operator & is used for Logical AND Bitwise OR Bitwise AND Logical OR 30 / 76Which component is not required to define a simple loop? break statement counter statement initialization condition 31 / 76What is the work of break keyword? None of these Restart execution of program Halt execution of program Exit form loop or switch statement 32 / 76How much memory should require holding long integer data in Computer? 1 4 2 8 33 / 76Null character is represented by O 2 n 34 / 76Which of the following is not a loop used in C For each loop Do while loop For loop While loop 35 / 76Which of the following operator reverse the result of expression its operators on? || ! All of the options are correct && 36 / 76Array elements are always store in ________ memory location Non of these Random Sequential Sequential and Random 37 / 76Which type of constant is defined by using #define? symbolic character escape sequence integer constant 38 / 76This C function copies the contents of the source string at the end of the target string? strcat() copycat() none of the options both Strcat() & copycat() 39 / 76Which type of type specifier is used to hold integer type data? %e %d %c %f 40 / 76Operator % in C language is called? Modulus Percentage operator Quotient operator Division 41 / 76Which of the following character is used to terminate an instruction in C Program? Semicolon Comma Period Colon 42 / 76Which pair of functions below are used for single character I/O scanf() and printf() getchar() and putchar() none of these input() and output() 43 / 76Which is the unformatted input function to accept a multiword input in c language? getc() finds() gets() scanf() 44 / 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 Pseudo code is expressed in terms of English like structure and mathematical expression. A flowchart can solve complex real-world problem 45 / 76Every program in C has at least one function which is _________ main None of these void sum 46 / 76Which loop executes at least once For while if do while 47 / 76Which of the following symbol is not a valid keyword else if short break auto 48 / 76What is the maximum length of a C string? 256 characters None of these options are correct 64 characters 32 characters 49 / 76Which of the following statement is correct? strcmp(s1,s2) returns 0 if s1= =s2 strcmp(s1,s2) returns a number greater than 0 if s1<s2 strcmp(s1,s2) returns a number less than 0 if s1>s2 strcmp(s1,s2) returns 1 if s1= =s2 50 / 76C is _____ Language? High Level Middle Level Machine Level Low Level 51 / 76Which header file is essential for using strcmp() finction? string.h text.h strcmp.h strings.h 52 / 76++ Operator used within loops increment the value of variable by 2 Depends on compiler 10 1 53 / 76Which operators are known as ternary operators? ::? <,;; ?: None of these 54 / 76Which escape character can be used to begin a new line in c? m a b n 55 / 76How long the following loop runs? for(x=1;x=3;x++) One time Never Three times Forever 56 / 76_____ is a picture in which the flows of computational paths are depicted. Code Flowchart Program Algorithm 57 / 76C program are converted into machine language with the help of An operating system Interpreter An Editor A compiler 58 / 76Which function is used to display a string? scanf putchar gets printf 59 / 76Which of the following statement is not true? #include helps to necessary headers files to the program #include and #define are commonly used preprocessors Preprocessor directive is a special type of program that helps to execute codes before passes through compiler. Library function are defined outside header files 60 / 76Which of the following format specifier is used for string data type? s d g f 61 / 76Which function is used to copy string? strcpy strcat strcopy strcp 62 / 76A labeled statement consist of an identifier followed by = : , ; 63 / 76Which of the following is not basic data types in C language? int float char string 64 / 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 Meaningless instructions make the logical errors A logical error is easily detected by compiler. 65 / 76Number of keywords present in C languages is? 34 32 64 62 66 / 76What c function copies the contents of one string to another? strcpy() strcmp() None strrev() 67 / 76A C string element is always stored in? Sequential memory location Random access location None of these options Alternate memory location 68 / 76Which is the right way to declare constant in C? All of these int const var=10; int const var = 10; const int var = 10; 69 / 76The operator && is an example of ____ operator. Rational Logical Assignment Increment 70 / 76A string in C is 1-D Array of character Both 1-D and 2-D array of character None of these 2-D Array of Character 71 / 76Which operator is used to find remainder of two integers? MOD ! % 72 / 76The ____ statement is used in the loops to skip a part of the loop and continue the next cycle of the loop. Switch If Continue Break 73 / 76The Expression : a+=4 means a+4=a a=a+4 a=4 a=4+4 74 / 76Which of the following symbol is not a valid character set? > < # @ 75 / 76Which keyword can be used for coming out of recursion? Both Return and Break Break Return Exit 76 / 76What is program? A finite set of subprograms to computer to perform specific task 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 Your score isThe average score is 0% 0% Restart quiz Post Views: 1,193
