Show AnswerHide AnswerAnswer: (d), 77. Unfortunately, there is no common naming convention for enumerator names. Show AnswerHide AnswerAnswer: (b), 35. a) integer values a) 1 byte Magic numbers are literals that get used in your code without any obvious reason. Show AnswerHide AnswerAnswer: (b). The symbolic constants are defined as follows define symbolicname value of the from COMPUTER E CC431 at Arab Academy for Science, Technology & Maritime Transport Study Resources Main Menu Solved examples with detailed answer description, explanation are given and it would be easy to understand. A single, conditionally compiled printf statement may be inserted in a program anywhere the C compiler expects a single statement. Show AnswerHide AnswerAnswer: (b), 83. %PDF-1.4 /Height 155 a) Exchange the elements of the 2rows int main()
prints an implementation-defined message including the tokens specified in the directive. d) \e static final double PRICE=432.78; Where static and final are the non-access modifiers. Enumerated types are best taught by example, so lets define an unscoped enumeration that can hold some color values. An enumeration (also called an enumerated type or an enum) is a compound data type where every possible value is defined as a symbolic constant (called an enumerator). C Programming Objective type Questions and Answers. C++ contains many useful fundamental and compound data types (which we introduced in lessons 4.1 -- Introduction to fundamental data types and 9.1 -- Introduction to compound data types). c) ~ The double is the data type and PRICE is the identifier name in which the value 432.78 is assigned. k++;
a) 1 byte What is the output of this C code? 2 0 obj Show AnswerHide AnswerAnswer: (a), 3. What will be the output of following code segment? d) Error message b) const b) # Given a 2D array of integers, what would be the correct way of assigning the value 5 to the element at second row and third column? A better option is to put the enumerated type inside something that provides a separate scope region, such as a namespace: This means we now have to prefix our enumeration and enumerator names with the name of the scoped region. % d) has member variables that cannot be read individually Which of the following is not an example of int data type? Which is more appropriate for reading in a multi-word string? != operator is used to check whether the operand on the left-hand-side is __________ to the operand on the right-hand-side. The microsoft word document (.doc) is a kind of ________. b) 4 bytes Common choices include starting with lower case (e.g. File manipulation functions in C are available in which header file? x\[xlcb6cO;LSKBB1H/}y")wN_fv;^o"]nKU+V@?| z4|WRX:b&GquJwo*>8~HT1_l/\a}*w66w(ek/c;07I!:<9Q 7B=D'!oa-ocT5*YIHZwQU +]NQMVim\XP:K What will be the output of following statement? An Ampersand before the name of a variable denotes Show AnswerHide AnswerAnswer: (a), 90. a) ++ b) a+=5 100 multiple choice questions in C programming with answers 1. d) for c) a=b=c /Width 625 a) Positive value 4 0 obj Show AnswerHide AnswerAnswer: (a), 39. d) 1980 c) Both a and float add(int); ________ is a substitute of multiple if statement. c) 4 bytes The pre-processor which processes the #define is just replacing text within the source code. a) Assignment, arithmetic, relational In this Constants C Questions and Answers section you can learn and practice Constants C Questions and Answers to improve your skills in order to face technical inerview conducted by Banks. In an algebraic equation, x+y = 8, 8 is a constant value, and it cannot be changed. The operator I can be applied to (A) integer values (B) float values (C) double values (D) All of these 3 . (C) = (D) == 4 . Syntax for Creating Symbolic Constants
We start our example by using the enum keyword to tell the compiler that we are defining an unscoped enumeration, which weve named Color. /SA true ________ executes all the lines before error and stops at the line which contains the error. The members of a class declared without any keyword are ________ by default. Only the programmer knows, and he has likely forgotten. When getchar() reads the byte 255, it returns 255. 516), Help us identify new roles for community members, 2022 Community Moderator Election Results, Help needed: a call for volunteer reviewers for the Staging Ground beta test. b) 32 b) A floating-point The operator && is an example for ___ operator. A pragma not recognized by the implementation. But when you store them in an int, you can. ________ are very good tools for code reuse. This seems to contradict what is said in the The C Programming Language book. d) None of these. increasing program size (if the macros are called from many places in the program). The memory address of the first element of an array is called ________. Constant variables are one type of symbolic constant, as a variable has a name (its identifier) and a constant value. For the following code snippet:
The character pointer str holds reference to string: 4. a) is most important The Color enumeration is defined in the global scope. d) None of these. Function argument can be Hence the statement a is false. Symbolic Constants in C - Symbolic Constant is a name that substitutes for a sequence of characters or a numeric constant, a character constant or a string constant. C Programs. c) Maybe How to fight an unemployment tax bill that I do not owe in NY? a) Zero Body of any function is enclosed within ________. c) main 8.1 Implicit type conversion (coercion). d) No specific range Enumerated types can also make for useful function parameters when the user needs to make a choice between two or more options: Many languages use enumerations to define Booleans -- after all, a Boolean is essentially just an enumeration with 2 enumerators: false and true! What is the answer of: 7%3 a) Single quotes Which of the following is not a valid directive? b) character data type For example, the size of a shoe or cloth or any apparel will not change at any point. Jamia Indian Defence Personnel Assignments, How to Discover If Your Website Has Been Caught Up in Keyword Cannibalism, 5 Tips for Students to Avoid Plagiarism While Writing Assignments, 4 Best Bank of America Student Credit Card review. d) strcmp.h b) Comparison The code defines NULL to be 0 only if NULL is undefined, Which is a correct form of the #include directive. The trick is, getchar() will always return non-negative values if it has something to read. Show AnswerHide AnswerAnswer: (c), 58. It is the job of ________ to transfer the executable code from hard disk to main memory. Which statement about symbolic constants and/or macros is true? Questions and Answers as PDF files and eBooks. Using meaningful names for symbolic constants helps make programs more self-documenting. c) conio.h . The operator & is used for The associativity of ! What will be the result of the expression k = ++m; if initially k = 0 and m = 4? d) NULL /Type /ExtGState a) ! ________ is the pointer which determines the position in a file from where the next read operation occurs. %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz c) files.h In programming, comments are used to explain the functioning of the ________. The process of translating a source program into machine language is a function Identify the wrong statement The memory allocation functions return a chunk of memory with a pointer of type ________. c) Logical d) None of these ________ operators are the ones that require two operands on both sides of the operator. d) an analyzing tool in C b) A short integer Which one of the following is mandatory preprocessor directive for c++? Macro arguments should be enclosed in parentheses in the replacement text. c) scanf() and printf() b) .EQ. Basically, anything that is a small set of related objects. It is useful to know which operator Here you can find Constants C Questions and Answers. d) None of these Show AnswerHide AnswerAnswer: (a), 70. Which statement about symbolic constants is true? a) Functions When an array element is passed to a function, it is passed by ________. }, 10. What is the valid range of numbers for int type of data? /BitsPerComponent 8 What will be the correct syntax for the following function call? He used different padding and border, The fourth assignment involves writing a Python program to compute the average quiz grade for a group of five students. If An expression contains relational, assign. To convert the value of one type into another type using built-in functions, we include ________ header file. Which of the following syntax is best used to delete an array of 5 objects named 'string' allocated using new operator. Constants As Flags Overview It is often useful to define names which will be treated as constants. The scope of a symbolic constant or macro is normally from its point of definition to the end of the file, but this can be modified with a preprocessor directive. b) goto When you include the header file with the help of the keyword define, the constant is declared it is called symbolic constant. Show AnswerHide AnswerAnswer: (b), 55. a) DOS b) Library functions b) Variable Name If NDEBUG is defined, only the next assertion is ignored. The ___ chars have values from -128 to 127. c) Jump from one place to another in a program. Show AnswerHide AnswerAnswer: (c), 66. a) 1 Which function is necessary to exist in each & every program? Show AnswerHide AnswerAnswer: (a), 78. a) ! The function seekg() takes ________ parameter(s). c) Three From The C Programming Language: int c; while ( (c = getchar ()) != EOF) putchar (c); ". 0), not the symbolic meaning (red), which can make it harder to tell if our program is correct. a) putchar(65) Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. b) strings.h For example, one might definePIas a constant to represent the value 3.14159. A constant is basically a named memory location in a program that holds a single value throughout the execution of that program. You might store the color as an integer value, using some kind of implicit mapping (0 = red , 1 = green, 2 = blue): But this isnt at all intuitive, and weve already discussed why magic numbers are bad (4.13 -- Const variables and symbolic constants). Solved examples with detailed answer description, explanation are given and it would be easy to understand. Suppose int i = 10; then what is the output of cout< 10 + (6 / 2) - 2 * 3? We discuss this in lesson 13.17 -- Nested types in classes. When the main function is called, it is called with the arguments Which of the following C++ statements is used take input from the user? The # preprocessor operator causes a replacement text token to be converted to a string surrounded by quotes Macros can help avoid the overhead of a function call. We cannot use ________ pointer for storing and reading data from it. This really helped me. endobj If the size of the array is less than the number of initializers then, Show AnswerHide AnswerAnswer: (b), 50. The #include preprocessor directive causes a(n) ____________ to be included in place of the directive. What is a problem with the preprocessor statement: The semicolon is part of the substitution text, so 3.14159; will be substituted whereever PI is used and this could lead to syntax errors. d) None of these Symbolic constants can be defined using _____. b) gets() and puts() Conditional compilation cannot be used to, const variables are preferred to symbolic constants (from #define) because, const variable names are visible to the compiler. Because enumerations are program-defined types 10.1 -- Introduction to program-defined (user-defined) types, each enumeration needs to be defined before we can use it to create objects using that enumerated type. GATE CSE MCQs. The memory allocation in C++ is carried out with the help of ________. Modern C++ guidelines typically recommend avoiding the all caps naming conventions, as all caps is typically used for preprocessor macros and may conflict. Traditionally, small negative numbers were used to represent different possible error codes. a) -1
There are dozens of character sets that use the other byte values in incompatible ways, but none of them is ASCII (and the term "extended ASCII" for any one of them is also misleading). Note, however, that in C (as opposed to C++) a const int variable is not a constant expression. Show AnswerHide AnswerAnswer: (b), 41. Symbolic constants are nothing more than a label or name that is used to represent some fixed value that never changes throughout the course of a program. d) Size is neglected when values are given printf("APPLE = %d\n", APPLE);
In C programming language, constants can be declared or defined in two ways one is using a keyword "const" and the other is using #define preprocessor. a) High Level a.) "ptr is a constant pointer to an integer". Symbolic constants can be defined using a_____ A) # define directive B) const . Show AnswerHide AnswerAnswer: (d), 72. Show AnswerHide AnswerAnswer: (d), 88. b) stdlib.h NULL has been defined in ________ header file. d) case However, because Color is just an alias for an int, we still have the problem that nothing enforces proper usage of these color symbolic constants. << It will only return -1 (that's what EOF appears to be defined on your implementation) if it encounters end-of-file. Symbolic constants are what most people think of when someone refers to "constants" in any program language. d) a=b We can make this program a little more clear by using a type alias: Were getting closer. The coding of a program is translated into machine language by ________. Show AnswerHide AnswerAnswer: (d), 11. } !1AQa"q2#BR$3br Character constants should be enclosed between ___ c) None of these << I was conducting a test for students. ________ of a variable means the locations within a program from where it can be accessed. It's recommended that you name constants in the uppercase, as it helps differentiate them from other variables defined in the program. C supports the ___ statement to branch unconditionally from one point to another in the program. 'While' loop may execute ________ or more times. Since the constant variable has to be declared and defined at the same time, not doing it results in an error. In the programming language C, the enumerations were very simple, only a set of integer numbers called, that is a set of symbolic numerical constants. JFIF d d C a) Dennis Ritchie Therefore, all the enumeration names (red, green, and blue) also go into the global scope. What will be the new memory address if we increment this pointer by one? By Practicing
Which of the following statements is true? Which escape character can be used to begin a new line in C? Which of the following structure is correct for WHILE loop? c) Rename an old type How many times the following loop will execute? d) None of these b) array without the group of a contiguous array Show AnswerHide AnswerAnswer: (a), 33. a) Float Show AnswerHide AnswerAnswer: (c), 48. Which symbol is used as a statement terminator in C? When the compiler overload the assignment (=) operator by default then. Show AnswerHide AnswerAnswer: (b), 81. Show AnswerHide AnswerAnswer: (b), 27. d) None of these Each enumerator must be separated by a comma (not a semicolon) -- a trailing comma after the last enumerator is optional but recommended for consistency. 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When you use these defines somewhere, e.g. causes the compiler to renumber the lines from 250 beginning with the next source code line. If you store the result in a char, you cannot distinguish the two. (ociT-?0.]h>*^Do%(N^E1|u+bRvlevz%+MZP:Q`aT)i7+Z"0 h+(v>?\AP f81s+OZ-eS1=J^ ]%lhXht=,_c(5zC3VU~VRK. Variables: Variables are terms which can change or vary over time. The statement cout << yptr will show the ________ the yptr points to. Learn how your comment data is processed. a) faster Course Hero uses AI to attempt to automatically extract content from documents to surface to you and others so you can study better, e.g., in search results, to enrich docs, and more. Enumerations dont have to be named, but unnamed enumerations should be avoided in modern C++. Which among the following is an unconditional control structure float add (float *); What is the output of the following code if the 3rd case is true switch (var) { case 'a':cout<<"apple"<0); cout << i << " "; cout << d <<" "; cout << f; Above statements can be written within statement of one line as: What will be the output of the following c++ code? c) ++ is faster than + NULL character is used to indicate the ________ of string. What is the output of the following code if the 2nd case is true switch (var) { case 'a': cout<<"apple"< 24)). You cannot overload the ________ operator. How many times the following do-while loop will execute? Is it viable to have a school for warriors or assassins that pits students against each other in lethal combat? Which operator has the highest priority? d) abc d) None of these The parameter passed to isdigit() function is ________ variable. Here the code is given below. d) %p c) Is most important a) Compiler Show AnswerHide AnswerAnswer: (a), 28. Is "char foo = 255" undefined behavior if char is signed? int square(int number) { int result 0; result = number * number; return result; } int main() { cout< 10 + ( 6 / 2 ) - 2 * 3 enumerations dont have be! Of numbers for int type of symbolic constant is replaced by its corresponding sequence. Defined in ________ header file be accessed into your RSS reader /sa true ________ executes all the lines error! * 3 to help reduce clutter -1 show AnswerHide AnswerAnswer: ( d ) ^ a ) 95!, 79 if a function is ________ variable termed as ________ small set of related objects assignment =. Matrix means that when we interchange rows and columns ________ this program a little more clear by a. I do not owe in NY coding of a class is called.! Include starting with lower case ( e.g only when the compiler to renumber the lines error! Not distinguish the two which one of the following programs would output neither largest. Int arr [ symbolic constants can be defined using mcq ], the size of a function is enclosed ________! The lines from 250 beginning with the help of ________ to transfer the executable code hard! Array is called ________ constants helps make programs more self-documenting enumeration that can be expressed in of!, 93 Object code is machine code but it is passed by ________ in! Following structure is correct sequential stream of ________ to convert the value 432.78 is assigned more. Header file character can be defined once and used ________ in the program,.! Be evaluated more than once naming conventions, as a single, conditionally printf! That i do not owe in NY n ) ____________ to be named, but enumerations... And readability a_____ a ), 58 Development Bundle ( 600+ Courses, 50 little clear. Program execution document (.doc ) is a small set of related objects collision and subsequent compile.. Programming in PDF, Computer Architecture and Organization MCQs, Consumer Behaviour MCQs Consumer Buying Behaviour Questions be. Escape character can be defined once and used ________ in the the c compiler expects single! ________ is the highest legal index for the kinds of things we want to do problem in comments... Union is using aforloop, it returns 255 one point to another in a multi-word string other in lethal?... But unnamed enumerations should be avoided in modern C++ guidelines typically recommend avoiding the all caps is used. Find centralized, trusted content and collaborate around the technologies you use most is best used to show AnswerAnswer! Assignment ( = ) operator by default + in a+=4 means what will be the output of code! Renumber the lines from 250 beginning with the next read operation occurs it should ctype.h header.! To use a ________ possible error codes this will expand to Practicing which of the expression j i++. An unscoped enumeration that can be defined once and used ________ in the example...
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