Objective Questions of Data Structure with Answer set-6

1. .......................... is a variable that can hold the address of the variables, structure and functions that are used in the program.A) ArrayB) PointerC) StructureD) None of the above2. .................. is the organization of the data in a computers memory or in a file.A) ArrayB) Data StructureC) Data ManagementD) Data Organization3. Which of the following is/are the advantages of using...

MCQ on Core Java with Answers set-1

1. Which exception is thrown by the read( ) method of input stream class?A) ExceptionB) ClassNotFoundExceptionC) read ExceptionD) IOException2. What garbage collection in the context of java?A) The operating system periodically deletes all of the java files available on the system.B) Any package imported in a program and not used in automatically deleted.C) When all references to an object are gone,...

MCQ on Java Programming Language Fundamental set-12

1. A java program is first ................ and ...................A) executed, runB) compiled, runC) run, compiledD) interpreted, compiled2. Byte code is also a ...........A) machine codeB) bit codeC) cryptographic codeD) none3. A private class is accessible from inside a .................A) packageB) classC) methodD) none4. Consider the statement "x=(a>b)?a:b", then the value of x is 19, if a=19...

MCQ on Basic SQL Queries with Answers set-1

1. DML is provided for A) Description of logical structure of databaseB) Addition of new structure in the database system.C) Manipulation & processing of databaseD) Definition of physical structure of database system2.'AS' clause is used in SQL for A) Selection operationB) Rename Operation C) Join operationD) Projection Operation3. Count function in SQL returns the number of A) valuesB) distinct...

Solved MCQ on C++ Programming Language set-7

1. What is required in inheritance to initialize the data members of the base class through derived class?A) Object declarationB) DestructorC) ConstructorD) Inheritance2. In which case is it mandatory to provide a destructor in a class?A) Almost in every classB) Class for which two or more than two objects will be createdC) Class for which copy constructor is definedD) Class whose objects will be...

MCQ on c++ Programming with Answers set-6

1. If a class C is derived from class B, which is derived from class A, all through public inheritance, then a class C member function can access.A) Protected and public data only in C and BB) Protected and public data only in CC) Private data in A and BD) Protected data in A and B2. Overloading the function operatorA) requires a class with an overloaded operatorB) requires a class with an overloaded...

objective type questions in c programming language set-6

1. Which symbol is used as a statement terminator in C? A) !B) ~C) #D) ;2. If the size of the array is less than the number of initializes then, ..........A) extra values are being ignoredB) generates an error messageC) size of array is increasedD) size is neglected when values are given3. In C, if you pass an array as an argument to a function, what actually gets passed?A) Value of elements in...

Solved MCQ on C Programming Language set-5

1. What will be output of the following C program? #include int main() {int goto=5; printf("%d",goto); return 0;}A) 5B) 10C) **D) compilation error2. Output of the following C program fragment is. x=5; y=x++; printf("%d %d", x,y);A) 5, 6B) 5, 5C) 6, 5D) 6, 63. What will be output of the following C program? #include int xyz=10; int main() { int xyz=20; printf("%d", xyz); return 0;}A) 10B) 20C) 30D)...

MCQ on C Programming With Answers set-4

1. 'C' is often called a ....A) Object oriented languageB) High level languageC) Assembly languageD) Machine level language2. Each C preprocessor directive begins with ....A) #B) includeC) main()D) {3. C allows arrays of greater than two dimensions, who will determine this?A) programmerB) compilerC) parameterD) None of the above4. The << operator is used forA) Right shifting B) Left shiftingC)...

How to validate required field in a form using javascript

In a wave form, fields are needs to validate at the time of entry or on submission of form. Generally in a form it needs to validate user has left required fields empty or not, user has entered valid e-mail address or not, user has entered a valid date, user has entered text in a numeric field or not and other also. Here is a function below to validate if a required field has been left empty....