Bit fields in c mcq

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WebAnswer: c Explanation: The #define substitutes a with 10 without leaving any identifier, which results in Compilation error. Output: $ cc pgm3.c pgm3.c: In function ‘main’: pgm3.c:5: error: expected identifier or ‘ (’ before numeric constant 5. What will be the output of the following C code? #include int main () { int var = 010; WebJul 30, 2024 · A bit field can hold more than a single bit; for example, if you need a variable to store a value from 0 to 7, then you can define a bit field with a width of 3 bits as …

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WebBit Fields in C Language. In programming terminology, a bit field is a data structure that allows the programmer to allocate memory to structures and unions in bits in order to … WebIf we have a 32-bit processor, then the processor reads 4 bytes at a time, which means that 1 word is equal to 4 bytes. 1 word = 4 bytes If we have a 64-bit processor, then the processor reads 8 bytes at a time, which means that … somewhere in my heart aztec camera lyrics

Bit Fields in C - GeeksforGeeks

WebOct 14, 2024 · Computer programming tasks that require bit manipulation include low-level device control, error detection and correction algorithms, data compression, encryption … WebC Programming MCQ Questions 1. Determine the output of the C code mentioned below: #include int main () { float q = ‘a’; printf (“%f”, q); return 0; } a. run time error b. a c. 97.000000 d. a.0000000 Answer: (c) 97.000000 2. Which of these is NOT a relational or logical operator? a. = b. c. == d. != Answer: (a) = 3. WebFeb 19, 2024 · (a) Arrays of bit fields (b) Pointers to bit fields (c) Functions returning bit fields (d) None of the mentioned c structures unions-and-bit-fields-in-c bit-fields 1 … somewhere in my memory home alone book

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C Unions - GeeksforGeeks

WebExample 1: Program to demonstrate the use of the Left Shift operator in C #include int main () { // declare local variable int num; printf (" Enter a positive number: "); scanf (" %d", &num); // use left shift operator to shift the bits num = (num << 2); // It shifts two bits at the left side WebBit fields can only be declared as part of a structure. a) false b) true c) Nothing d) Varies View Answer Answer: b Explanation: None. 10. What is the order for the following C declarations? short a : 17; int long y : 33; a) Legal, legal b) Legal, illegal c) Illegal, illegal … somewhere in my lifetime songWebThis set of C Multiple Choice Questions & Answers (MCQs) focuses on “Variable Names – 2”. Pre-requisite for this C MCQ set: Advanced C Programming Video Tutorial. 1. Which is valid C expression? a) int my_num = 100,000; b) int my_num = 100000; c) int my num = 1000; d) int $my_num = 10000; View Answer Answer: b somewhere in my memory movie

"WebIn C language structure and union support a very important feature that is the bit field. The bit field allows the packing of data in a structure or union and prevents the wastage … " - Bit fields in c mcq

Bit fields in c mcq

Bit Manipulation: Interview Questions and Practice Problems

WebA bit field is a data structure that consists of one or more adjacent bits which have been allocated for specific purposes, so that any single bit or group of bits within the structure … WebJun 24, 2009 · Actually, I've gone one step further here, and implemented a class called Flags that provides member functions for manipulation of bit flags. My base class uses …

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WebMar 7, 2024 · A structure of 2 fields, each field being a pointer to an array of 10 elements. C. A structure of 3 fields: an integer, a float, and an array of 10 elements. D. An array, … WebApr 3, 2024 · The syntax of the union in C can be divided into three steps which are as follows: C Union Declaration In this part, we only declare the template of the union, i.e., we only declare the members’ names and data types along with the name of the union. No memory is allocated to the union in the declaration.

WebBit Fields in C In C language, we have union and struct data types where we can declare user-defined data types. The size of the struct depends on data members. But … WebThis is the c programming questions and answers section on " Structures, Unions, Bit-fields " with explanation for various interview, competitive examination and entrance test. …

Webc = a + b; printf("%d", c); } a) 15 b) 16 c) 15.6 d) 10 View Answer Answer: a Explanation: None. 7. What will be the output of the following C code? #include int main () { int a = 10, b = 5, c = 5; int d; d = a == ( b + c); printf("%d", d); } a) Syntax error b) 1 c) 10 d) 5 View Answer Answer: b Explanation: None. WebThis set of C Multiple Choice Questions & Answers (MCQs) focuses on “Standard Input & Output – 1”. Pre-requisite for this C MCQ set: Advanced C Programming Video Tutorial. 1. Which among the following is the odd one out? a) printf b) fprintf c) putchar d) scanf View Answer Answer: d Explanation: None. 2.

WebC Preprocessor Pointers Arrays Strings Structures, Unions, Enums Input / Output Command Line Arguments Bitwise Operators Typedef Const Memory Allocation Variable Number of … somewhere in my memory music boxWeb1. Union, 2. Structure, 3. Arrays and 4. Pointers A. 3 and 4 B. 1 and 2 C. 1 and 3 D. 1, 3 and 4 View Answer Workspace Report Discuss 13. Which of the following data types are accepted while declaring bit-fields? A. char B. float C. double D. None of the mentioned View Answer Workspace Report Discuss 14. somewhere in my memory informationenWeba) First member in the union b) Last member in the union c) Biggest member in the union d) Sum of the sizes of all members View Answer Answer: c Explanation: None. 2. Which member of the union will be active after REF LINE in the following C code? Subscribe Now: C Newsletter Important Subjects Newsletters advertisement #include small cooler purseWebJul 24, 2014 · Bitfields do save space. They also allow an easier way to set values that aren't byte-aligned. Rather than bit-shifting and using bitwise operations, we can use the same syntax as setting fields in a struct. This improves readability. With a bitfield, you could write directions.alice_dir = WEST; directions.bob_dir = SOUTH; small cooler price in mumbaiWebSep 15, 2024 · Bit fields can be defined as variables with predefined width, and it can hold more than one bit. Example: For storing values from 0 to 7 variable is needed and we … small coolers with wheelsWebAnswer: c Explanation: None. 7. What will be the output of the following C code? #include int main () { unsigned int i = 23; signed char c = -23; if ( i > c) printf("Yes\n"); else if ( i < c) printf("No\n"); } a) Yes b) No c) Depends on the compiler d) Depends on the operating system View Answer Answer: b Explanation: None. 8. small coolers on wheelsWebMeanwhile, check the C language MCQs that we have compiled below: C Programming MCQ Questions. 1. Determine the output of the C code mentioned below: #include … somewhere in my memory bette midler lyrics