Programming

C++ MCQs MCQs: 4200+ Questions & Answers in Programming

4200+ C++ MCQs MCQs in Programming with answers & explanations. Page 18. Practice objective questions for competitive exams, interviews & self-assessment — f… Use the answer toggle below to show or hide all solutions, tap an option to check one question, or open a question for its own page.

Page 18 of 211

Show answers

Answers hidden — tap an option or use “View Answer” on each question.

341

Which of the following statements are correct about JIT? 1. JIT compiler compiles instructions into machine code at run time. 2. The code compiler by the JIT compiler runs under CLR. 3. The instructions compiled by JIT compilers are written in native code. 4. The instructions compiled by JIT compilers are written in Intermediate Language (IL) code.

Open full question

342

Code that targets the Common Language Runtime is known as

Open full question

343

Which of the following statements correctly define .NET Framework?

Open full question

344

How many types of compilers availbale under CLR?

Open full question

345

Which of the following statements are correct about data types? 1. If the integer literal exceeds the range of byte, a compilation error will occur. 2. We cannot implicitly convert non-literal numeric types of larger storage size to byte. 3. Byte cannot be implicitly converted to float. 4. A char can be implicitly converted to only int data type. 5. We can cast the integral character codes.

Open full question

346

What will be the output of the following code snippet when it is executed? int x = 1; float y = 1.1f; short z = 1; Console.Write.Line((float) x + y * z - (x += (short) y));

Open full question

347

Which of the following statements are correct? 1. We can assign values of any type to variables of type object. 2. When a variable of a value type is converted to object, it is said to be unboxed. 3. When a variable of type object is converted to a value type, it is said to be boxed. 4. Boolean variable cannot have a value of null. 5. When a value type is boxed, an entirely new object must be allocated and constructed.

Open full question

348

Which of the following can be used to terminate a while loop and transfer control outside the loop? 1. exit while 2. continue 3. exit statement 4. break 5. goto

Open full question

349

Which of the following statements are correct about the C#.NET code snippet given below? if (age > 18 && no < 11) a = 25; 1. The condition no < 11 will be evaluated only if age > 18 evaluates to True. 2. The statement a = 25 will get executed if any one condition is True. 3. The condition no < 11 will be evaluated only if age > 18 evaluates to False. 4. The statement a = 25 will get executed if both the conditions are True. 5. && is known as a short circuiting logical operator.

Open full question

350

Which of the following is the correct output for the C#.NET code snippet given below? Console.WriteLine(13 / 2 + " " + 13 % 2);

Open full question

351

Which of the following statements are correct? 1. Instance members of a class can be accessed only through an object of that class. 2. A class can contain only instance data and instance member function. 3. All objects created from a class will occupy equal number of bytes in memory. 4. A class can contain Friend functions. 5. A class is a blueprint or a template according to which objects are created.

Open full question

352

Which of the following is the correct way to create an object of the class Sample? 1. Sample s = new Sample(); 2. Sample s; 3. Sample s; s = new Sample(); 4. s = new Sample();

Open full question

353

Which of following statement are correct about functions?

Open full question

354

Which of the following statements are correct about an ArrayList collection that implements the IEnumerable interface? 1. The ArrayList class contains an inner class that implements the IEnumerator interface. 2. An ArrayList Collection cannot be accessed simultaneously by different threads. 3. The inner class of ArrayList can access ArrayList class's members. 4. To access members of ArrayList from the inner class, it is necessary to pass ArrayList class's reference to it. 5. Enumerator's of ArrayList Collection can manipulate the array.

Open full question

355

In which of the following collections is the Input/Output index-based? 1. Stack 2. Queue 3. BitArray 4. ArrayList 5. HashTable

Open full question

356

Which of the following statements are correct about the Stack collection? 1. It can be used for evaluation of expressions. 2. All elements in the Stack collection can be accessed using an enumerator. 3. It is used to maintain a FIFO list. 4. All elements stored in a Stack collection must be of similar type. 5. Top-most element of the Stack collection can be accessed using the Peek() method.

Open full question

357

Which of the following is the correct way to access all elements of the Queue collection created using the C#.NET code snippet given below? Queue q = new Queue(); q.Enqueue("Sachin"); q.Enqueue('A'); q.Enqueue(false); q.Enqueue(38); q.Enqueue(5.4);

Open full question

358

Which of the following statements are correct about the delegate declaration given below? delegate void del(int I); 1. On declaring the delegate a class called del will get created. 2. The signature of del need not be same as the signature of the method that we intend to call using it. 3. The del class will be derived from the MulticastDelegate class. 4. The method that can be called using del should not be a static method. 5. The del class will contain a one-argument constructor and an lnvoke() method.

Open full question

359

The following namespaces (System.Data.OleDB, System.Data.SqlClient, System.Data.Odbc, System.Data.OracleClient) include classes for different:

Open full question

360

Which of the following is a definition of a database?

Open full question

Page 18 of 211

1...17 18 19...211

Study tips for C++ MCQs

You are viewing 4,218 Programming MCQs on C++ MCQs. Read each option carefully, use "Show answers" to verify logic, and revisit explanations for concepts you miss.

Quick mock test on this topic