MCQOPTIONS
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MCQOPTIONS
This section includes 33 Mcqs, each offering curated multiple-choice questions to sharpen your CGI knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In which circumstance it is not possible to assign default value to a parameter while declaring a function? |
| A. | When the parameter is Boolean |
| B. | When the function is being declared as a member of a class |
| C. | When the parameter is being declared as passed by reference |
| D. | When the function contains only one parameter |
| Answer» D. When the function contains only one parameter | |
| 2. |
How does the identity operator === compare two values? |
| A. | It converts both to a common compatible data type and then compares the values |
| B. | It returns True only if they are both of the same type and value |
| C. | It converts both values to strings and compares them |
| D. | If the two values are strings, it performs a syntax comparison |
| Answer» C. It converts both values to strings and compares them | |
| 3. |
PEAR stands for? |
| A. | PHP Extension and Application Record |
| B. | PHP Extended and Application Repository |
| C. | PHP Extension and Application Repository |
| D. | PHP Extension and Applicable Repository |
| Answer» D. PHP Extension and Applicable Repository | |
| 4. |
PECL stands for? |
| A. | PHP Extension Community Laboratory |
| B. | PHP Extension Combined Library |
| C. | PHP Export Community Library |
| D. | PHP Extension Community Library |
| Answer» E. | |
| 5. |
If cookie expiration time is not set explicitly, what happens to it? |
| A. | It expires right away |
| B. | It never expires |
| C. | It is not set |
| D. | It expires at the end of the users browser session |
| Answer» E. | |
| 6. |
How are session variables accessed through? |
| A. | $_GET |
| B. | $_POST |
| C. | $_REQUEST |
| D. | None of the above |
| Answer» E. | |
| 7. |
By default, PHP stores session data in ______________. |
| A. | The filesystem |
| B. | A database |
| C. | Virtual memory |
| D. | Shared memory |
| Answer» B. A database | |
| 8. |
The ___________ function automatically transforms newline characters into HTML <br /> tags. |
| A. | br2nl |
| B. | nl2br |
| C. | nlbr |
| D. | None of the above |
| Answer» C. nlbr | |
| 9. |
Address stored in the pointer variable is of type _________ |
| A. | Integer |
| B. | Floating |
| C. | Array |
| D. | Character |
| Answer» B. Floating | |
| 10. |
Which is not a valid keyword in java? |
| A. | null |
| B. | transient |
| C. | synchronized |
| D. | native |
| Answer» B. transient | |
| 11. |
The Java programming language is a ________? |
| A. | Machine Level Language |
| B. | High Level Language |
| C. | Assembly Level Language |
| D. | None of the above |
| Answer» C. Assembly Level Language | |
| 12. |
Which is not a valid comment style in Java |
| A. | /* comment */ |
| B. | /* comment |
| C. | /** comment */ |
| D. | // comment |
| Answer» C. /** comment */ | |
| 13. |
What is the correct signature of the main method? |
| A. | public static void main(String[] args) |
| B. | static public void main(String[] args) |
| C. | public void main(String[] args) |
| D. | A and B Both |
| Answer» E. | |
| 14. |
A collection of methods with no implementation is called an ________. |
| A. | Polymorphism |
| B. | Inheritance |
| C. | Interface |
| D. | Data Binding |
| Answer» D. Data Binding | |
| 15. |
How many type of Primitive Data Types exist in Java? |
| A. | 5 |
| B. | 7 |
| C. | 8 |
| D. | 10 |
| Answer» D. 10 | |
| 16. |
If you access an uninitialized local variable will result? |
| A. | Syntax Error |
| B. | Compile Time Error |
| C. | Run Time Error |
| D. | No Error |
| Answer» C. Run Time Error | |
| 17. |
How integer literal can expressed binary data? |
| A. | int binaryData = b11010; |
| B. | int binaryData = bx11010; |
| C. | int binaryData = 0b11010; |
| D. | int binaryData = xb11010; |
| Answer» D. int binaryData = xb11010; | |
| 18. |
Which is right way to declare Array? |
| A. | int[] myArray; |
| B. | int myArray[]; |
| C. | int []myArray; |
| D. | A and B Both |
| Answer» E. | |
| 19. |
Which is right way to creating an array of integer? |
| A. | javaArray = new int[10]; |
| B. | javaArray new = myArray[10]; |
| C. | int[] javaArray = new int[10]; |
| D. | A and C Both |
| Answer» E. | |
| 20. |
Which method of System class is used to copy array? |
| A. | copyArray |
| B. | arrayCopy |
| C. | arraycopy |
| D. | arrCopy |
| Answer» D. arrCopy | |
| 21. |
Which keyword is used to inherit class? |
| A. | inherit |
| B. | extends |
| C. | inheritance |
| D. | extend |
| Answer» C. inheritance | |
| 22. |
Overloaded methods are differentiated by |
| A. | Number of arguments |
| B. | Data type of arguments |
| C. | Number and the Data type of the arguments |
| D. | None of the above |
| Answer» D. None of the above | |
| 23. |
Choose best option that describes Constructor. |
| A. | Have no return type |
| B. | Use name of the class and have no return type |
| C. | Use name of the class |
| D. | None of the above |
| Answer» C. Use name of the class | |
| 24. |
To override a method in Java, we need to define a method in sub class with the |
| A. | same name, same number of arguments having the same data types as a method in the super class |
| B. | different name, same number of arguments having the same data type as a method in the super class |
| C. | same name but different number of arguments as a method in the super class |
| D. | same name, same number of arguments but different data types as a method in the super class |
| Answer» B. different name, same number of arguments having the same data type as a method in the super class | |
| 25. |
Which of the following differentiates between overloaded functions and overridden functions? |
| A. | Overloading is a dynamic or runtime binding and overridden is a static or compile time binding. |
| B. | Overloading is a static or compile time binding and overriding is dynamic or runtime binding. |
| C. | Redefining a function in a friend class is called overloading, while redefining a function in a derived class is called as overridden function. |
| D. | Redefining a function in a derived class is called function overloading, while redefining a function in a friend class is called function overriding. |
| Answer» C. Redefining a function in a friend class is called overloading, while redefining a function in a derived class is called as overridden function. | |
| 26. |
Which method is called first by an applet program? |
| A. | start( ) |
| B. | run( ) |
| C. | init( ) |
| D. | begin( ) |
| Answer» D. begin( ) | |
| 27. |
Which of the following storage classes have global visibility in C? |
| A. | Auto |
| B. | Static |
| C. | Extern |
| D. | Register |
| Answer» D. Register | |
| 28. |
How many times is a do while loop guaranteed to loop? |
| A. | 0 |
| B. | Variable |
| C. | 1 |
| D. | Infinitely |
| Answer» D. Infinitely | |
| 29. |
What is a step-by-step procedure used to solve a problem called? |
| A. | algorithm |
| B. | operating system |
| C. | application program |
| D. | all of these |
| Answer» B. operating system | |
| 30. |
What is storage of 10 KB means in number of bytes ? |
| A. | 1000 |
| B. | 10240 |
| C. | 1024 |
| D. | None of these |
| Answer» C. 1024 | |
| 31. |
What is a half byte known as ? |
| A. | data |
| B. | bit |
| C. | bill |
| D. | nibble |
| Answer» E. | |
| 32. |
What is function of logic gate ? |
| A. | It makes logic decisions |
| B. | It works on binary algebra |
| C. | It alternates between 0 and 1 values |
| D. | None of these |
| Answer» B. It works on binary algebra | |
| 33. |
What is a the output signal when the input to NOT gate is A=11100 ? |
| A. | 00000 |
| B. | 00011 |
| C. | 11111 |
| D. | None of these |
| Answer» C. 11111 | |