C Programming: Bitwise Operators Quiz

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Questions and Answers

What is the result of the bitwise OR operation between 12 and 25?

29 (correct)

In C Programming, which operator is used for bitwise XOR?

^ (correct)

What is the output when performing a bitwise XOR operation between 12 and 25?

21 (correct)

What is the result of applying the bitwise complement operator to the binary representation of 35?

-220 Signup and view all the answers

Why does the bitwise complement of 35 result in -220 in C Programming instead of 220?

Due to the rule of 2's complement, it results in -(n+1). Signup and view all the answers

What does applying the 2's complement operation to a binary number involve?

Taking the complement of the number and adding 1. Signup and view all the answers

Which type of constant in C programming is associated with real or floating-point numbers?

Real constants Signup and view all the answers

How are octal constants represented in C programming?

They start with 0 Signup and view all the answers

What is a rule for representing a decimal integer in C programming?

Should not prefix with 0 Signup and view all the answers

Which of the following is NOT a valid decimal constant in C programming?

$77 Signup and view all the answers

How are hexadecimal constants represented in C programming?

They start with 0x Signup and view all the answers

What is a characteristic of octal constants in C programming?

Allow only sign (+,-) Signup and view all the answers

What is the symbol used to denote any function of an I/O device in a program?

Circle Signup and view all the answers

Which symbol is used for calculations and initialization of memory locations in a flowchart?

Rectangle Signup and view all the answers

From a decision symbol in a flowchart, how many exits are there and what are they labeled as?

2 exits, Yes and No Signup and view all the answers

Which symbol is used to connect a complex flowchart that spans multiple pages?

Connector Signup and view all the answers

In the algorithm provided, what should be printed if a number is not divisible by 2?

Number is Odd Signup and view all the answers

In system development, which step involves working with the existing system and using a proper questionnaire to explain the problem clearly?

Statement of Problem Signup and view all the answers

What is the purpose of typedef in C programming?

To create a new data type name for an existing data type Signup and view all the answers

In the first example provided, what is the size of the 'Age' structure?

4 Signup and view all the answers

What is the output of the first example's 'printf' statement: printf( 'Age.age : %d\n', Age.age ) when Age.age = 7?

Age.age : 7 Signup and view all the answers

Which statement best describes the advantages of using typedef in C programming?

Provides a meaningful way of declaring variables Signup and view all the answers

When using typedef, what happens to the readability of the program?

It increases Signup and view all the answers

What is the main application of typedef in C programming?

Declaring user-defined data types Signup and view all the answers

What is the purpose of pointer initialization in C programming?

Assigning the address of a variable to a pointer variable Signup and view all the answers

Which symbol is used as the address of operator in C programming?

& (ampersand sign) Signup and view all the answers

What does the indirection operator (*) do in C programming?

Accesses the value at the address Signup and view all the answers

What error occurs in the statement 'float a; int *ptr; ptr = &a;'?

Type mismatch error Signup and view all the answers

Which operator gives the value from the address in C programming?

<ul> <li>(asterisk sign)</li> </ul> Signup and view all the answers

What is the role of reference operator (&) in C programming?

Assigns a memory address to a variable Signup and view all the answers

Study Notes

Bitwise Operations

The result of the bitwise OR operation between 12 and 25 is not specified.
The operator used for bitwise XOR in C Programming is ^.
The output of the bitwise XOR operation between 12 and 25 is not specified.

Bitwise Complement

The result of applying the bitwise complement operator to the binary representation of 35 is -36.
The bitwise complement of 35 results in -220 in C Programming instead of 220 because of the signed integer representation.

Constants in C Programming

Real or floating-point numbers are associated with floating constants.
Octal constants are represented in C programming with a leading 0 (zero).
A rule for representing a decimal integer in C programming is not specified.
012 is NOT a valid decimal constant in C programming.
Hexadecimal constants are represented in C programming with a leading 0x or 0X.

Characteristics of Constants

A characteristic of octal constants in C programming is that they start with a leading 0 (zero).

Flowchart Symbols

The symbol used to denote any function of an I/O device in a program is a parallelogram.
The symbol used for calculations and initialization of memory locations in a flowchart is a rectangle.
From a decision symbol in a flowchart, there are two exits labeled as True and False.
The symbol used to connect a complex flowchart that spans multiple pages is an oval shape.

Algorithm and System Development

In the algorithm provided, "Not divisible by 2" should be printed if a number is not divisible by 2.
In system development, feasibility study involves working with the existing system and using a proper questionnaire to explain the problem clearly.

Typedef and Pointers in C Programming

The purpose of typedef in C programming is to assign alternative names to existing types.
In the first example provided, the size of the 'Age' structure is not specified.
The output of the first example's 'printf' statement: printf('Age.age : %d\n', Age.age) when Age.age = 7 is Age.age : 7.
Using typedef in C programming provides advantages such as increased code readability and portability.
When using typedef, the readability of the program improves.
The main application of typedef in C programming is to provide an alternative name for a type.
The purpose of pointer initialization in C programming is to assign the address of a variable to a pointer.
The symbol used as the address of operator in C programming is & (ampersand).
The indirection operator (*) in C programming is used to dereference a pointer.
The error that occurs in the statement 'float a; int *ptr; ptr = &a;' is a type mismatch (float to int).
The operator that gives the value from the address in C programming is * (indirection operator).
The role of reference operator (&) in C programming is to return the address of a variable.

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Description

Test your knowledge on bitwise operators in C programming by understanding the bitwise OR and XOR operations. Learn how to perform these operations with binary numbers and see examples of their implementation in code.