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Programming Portal Solution
You will find all Programming Portal MCQs whose solution is updated by Team MCQ Buddy
Q. What is the reason that a java program cannot directly communicate with an ODBC driver?
Q. Which of the following method call is valid to obtain the server's hostname by invoking an applet?
Q. In the following URL, identify the protocol identifier? https://mcqmate.com:8080/course.php
Q. Which is a valid way to extract the size of an array in Perl?
Q. Array in Perl created using?
Q. The elements of the array are ___.
Q. The % sign in Perl is used to ___.
Q. Which of these is a type of the scalar in Perl?
Q. Which of these is a data type in Perl?
Q. Which keyword is used to make the current iteration last one?
Q. Is the Redo operator in Perl used?
Q. Is the goto statement in Perl used to ___.
Q. Can a given-when statement be nested in Perl?
Q. What is a given-when statement in Perl?
Q. While in Perl is entry controlled?
Q. foreach loop can iterate over __.
Q. Valid loops in Perl are ___.
Q. Unless_elsif statement contains ___.
Q. The code blocks unless the statement is executed when the condition is ___.
Q. Which of these is a decision-making statement in Perl?
Q. STDIN in Perl stands for ___.
Q. The print method in Perl return ___.
Q. Automatic end of line is added using which statement?
Q. Which of the following methods is used to display expressions in Perl?
Q. List context of the returned value from a subroutine is extracted using ___.
Q. The return() function in Perl is ___.
Q. What are reference in Perl?
Q. Which of the following is a trait in Perl?
Q. A built-in subroutine which is used inside the method is?
Q. Immutable parameters in Perl are?
Q. Is it possible to pass file handles to subroutines in Perl?
Q. Is return type required for a subroutine in Perl?
Q. Arguments in Perl are passed as ___.
Q. Which of these is a valid way to define a function in Perl?
Q. Ruby 2.7.1 version release date?
Q. Which of the following are valid floating point literal?
Q. What is the extension used for saving the ruby file?
Q. Which of the following languages syntax matches with the Ruby's syntax?
Q. Which of the following features does the 2.0 version of ruby supports?
Q. Which of the following is supported by Ruby?
Q. Which of the following is a Reserved Words in Ruby?
Q. Block comment conceals several lines from the interpreter with?
Q. Which character is used to give comment in ruby?
Q. Which statement is used to declares code to be called before the program is run?
Q. Reserved word can not be used as?
Q. Which of the following is not a Reserved Words in Ruby?
Q. When Whitespace characters such as spaces and tabs can not ignored in Ruby code?
Q. Which will be output for the following code?
Q. Which of the following statement is not a feature of ruby?
Q. On which platform ruby runs ?
Q. Ruby is ?
Q. A group of statements that perform a specific task is known as ___.
Q. Which method in Perl is used to delete a directory?
Q. Which method in Perl is used to delete a directory?
Q. The chdir() function used to ___
Q. Which of the following operations can be performed on directories?
Q. What is a directory in Perl?
Q. Which escape sequence is used to print hexadecimal of a number in Perl?
Q. '%b' in the Perl output statement used to?
Q. Which statement in Perl is used to import a module?
Q. 'Our' keyword is used to ___.
Q. Global scope variables can be used
Q. Scalar variables in Perl are ___.
Q. Which of these is not a basic data type in Perl?
Q. Which of these is a valid way to start a variable?
Q. Do we need to specify the data type of a variable in Perl?
Q. Is auto increment/ decrement operator valid in Perl?
Q. 'x' operator on string used to?
Q. Which of the following is a valid assignment operator in Perl?
Q. The result of the following operation is
Q. Logical operators in Perl are ___.
Q. Which of the following is a type of operator in Perl?
Q. Which of these is the 'True' value in Perl?
Q. Is boolean type provided in Perl?
Q. Which statement is used to enable strict mode in Perl?
Q. Advantages of encapsulation are
Q. Which is the correct syntax to create a union?
Q. Functions in C can accept multiple parameters. True or False?
Q. Which keyword is used to return values from function?
Q. Which of these is not a valid parameter passing method in C?
Q. A recursive function in C ___
Q. The scope of a function is limited to?
Q. Which of the below syntax is the correct way of declaring a function?
Q. The sqrt() function is used to calculate which value?
Q. Before using a pointer variable, it should be ___.
Q. An uninitialized pointer in C is called ___.
Q. A ___ can be assigned the address of any data type.
Q. Which pointer is called general-purpose pointer?
Q. Pointer arithmetic is not possible on ___.
Q. Comment on the following pointer declaration?
Q. What will be the output of the following C code?
Q. What is the correct syntax to declare pointer to pointer i.e., double pointer?
Q. What is the correct syntax to declare a pointer to a constant?
Q. Which function is used to open a file in C?
Q. Which character(s) is/are used to open a binary file in append mode in C?
Q. Which character(s) is/are used to open a binary file in reading and writing mode in C?
Q. Which is the correct syntax to declare a file pointer in C?
Q. Which function is used to close an opened file in C?
Q. Function fwrite() works with ___.
Q. What is the value of EOF in C?
Q. Which function checks the end-of-file indicator for the given stream in C?
Q. Which function is used to seek the file pointer position in C?
Q. Which function is used to delete an existing file in C?
Q. What is CPP in C programming?
Q. Which symbol is used to begin a preprocessor?
Q. Is it possible in a C program to merge two tokens into one token?
Q. Which of these is not a valid preprocessor in C?
Q. Can programmers create their own header files?
Q. Which of these is valid syntax to include a header in C?
Q. What will happen if a header file is included in a program twice?
Q. Which syntax is correct to include a specific preprocessor based on configuration?
Q. From the following is the right way to call a class constant, given that the class is mathFunction?
Q. Which of the following is used to instantiate an object in PHP assuming the class name to be Foo?
Q. The members of union can be accessed using ___.
Q. Which of the below statements is incorrect in case of union?
Q. The size of a union is ___.
Q. Which keyword is used to define a union?
Q. "A union can contain data of different data types". True or False?
Q. Which operator is used to access the member of a structure?
Q. Which of the following is the collection of different data types?
Q. If we pass an array as an argument to a function, what actually gets passed?
Q. #include <stdio.h> int main() { int x[5] = { 10, 20, 30 }; printf("%d", x[-1]); return 0; }
Q. What will be the output of the following C program?
Q. What will be the output of the following C program?
Q. What will be the output of the following C program?
Q. What will be the output of the following C program?
Q. Array elements are always stored in ___ memory locations.
Q. Which is/are the correct syntax to initialize an array in C?
Q. Which is the correct syntax to declare an array in C?
Q. Which of the following is not a SQL Logical Operator?
Q. Using which SQL Comparison Operator can we find the data that matches our query?
Q. Which of the following is not the SQL Comparison Operator?
Q. SQL Division operator divides the operand on the ____ side by the operand on the ____ side.
Q. Which of the following statement is TRUE for SQL Additional Operator?
Q. Which of these are the types of operators?
Q. Which of the following statement is correct?
Q. Select the correct order of precedence among the following?
Q. Which of the statement is true?
Q. Which one of the syntaxes given below is of Binary Operator?
Q. Numbers of operand used by Binary Operators are?
Q. Number of operands used by Unary Operator is?
Q. What is meant by 'SQL is an interactive language'?
Q. What is meant by Partial Database Control?
Q. SQL has the disadvantage of?
Q. Which statement is true about the No-SQL?
Q. Which statement is true about the SQL?
Q. Which statement is not true?
Q. What is the work of INSERT command?
Q. What is the work of DROP command?
Q. What is the work of DELETE command?
Q. What is the work of UPDATE command?
Q. What is the work of CREATE command?
Q. Determine the correct SQL command
Q. SQL contains which component in its process?
Q. Which statement is not true about SQL?
Q. SQL became the standard of?
Q. What does this SQL database language design to?
Q. What does SQL is used to perform operations on?
Q. Which of the following built-in functions is used to determine object type?
Q. The database language that allows you to access data in a database is _____
Q. Which of the following database objects contains data?
Q. Which field is 8 bytes in length?
Q. Which of the following is not a relationship type that can be applied in an Access database?
Q. What is the output of the following C++ program?
Q. What is the output of the following C++ program?
Q. How many times does the “cout” in line 12 run?
Q. The size of an object or type can be determined with which operator?
Q. Which function is used to write a single character to the console in C++?
Q. Which function is used to read a single character in the console in C++?
Q. Which of the following ways is the correct way to create an object in Java?
Q. Enumeration in Java is ___.
Q. Which graph is used to check for deadlock in Java?
Q. What is a deadlock in Java?
Q. What will be the output of following Java code?
Q. Which of the following methods are present in comparator interface?
Q. What is a comparator in Java?
Q. Which Java method is used to convert an object to string?
Q. Which of these is true for interfaces in java?
Q. What will be the output of following Java code?
Q. Which syntax is valid to create a vector in java?
Q. Which of the following is a valid data structure in java?
Q. What is stringBuffer in java?
Q. Which method in java is used to generate random numbers in Java?
Q. Which is/are valid method(s) of math library in java
Q. The correct syntax to import the math library in java is ___.
Q. Which method in java is used to read lines from file?
Q. Which method deletes a file in Java?
Q. Which method is used to add a new line to file in Java?
Q. Which is the correct absolute path of a file in Java?
Q. How can we access methods for file handling in java?
Q. What is file handling in java?
Q. Wrapper class in java is ___.
Q. The super() method is used to ___.
Q. The 'super' keyword is used to ___.
Q. What will be the output of following Java code?
Q. 'this' keyword in java is ___.
Q. BigInteger Class is used to ___.
Q. Static variables in java are declared as ___.
Q. What is garbage collection in java?
Q. Can the Java program accept input from the command line?
Q. What will be the output of following Java code?
Q. The break statement in Java is used to ___.
Q. Finally block is attached to?
Q. Which of the following can be declared as final in java?
Q. Which type of casting is lossy in Java?
Q. What is type casting in Java?
Q. Which of these is a type of variable in Java?
Q. Method used to take a string as input in Java?
Q. Which class in Java is used to take input from the user?
Q. Which keyword in java is used for exception handling?
Q. What is the entry point of a program in Java?
Q. Multiline comment is created using ___.
Q. What are the types of memory allocated in memory in java?