CS508 Quiz 2 Solution and Discussion

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____ compile into machine independent language, independent code which run in a managed execution environment. CS508

C#.
Java.
C++.
Ada

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Dealing with unsafe/unmanaged code in _______ we have to compromise on the type safety. CS508
C++
C#
Java
Ada

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Question # 1 of 10 ( Start time: 11:23:02 PM ) Total Marks: 1
The _________ in Java is passed by value but ______ is passed by reference.
Select correct option:
Object , Parameters
Parameters , Object
Arguments , Reference type
Reference type , Primitive type

Question # 2 of 10 ( Start time: 11:23:42 PM ) Total Marks: 1
Which of the following are the types of constants in Prolog
Select correct option:
atoms and numbers.
single and decimal
short and char
float and numbers

Question # 3 of 10 ( Start time: 11:23:58 PM ) Total Marks: 1
In Java the ______________are not objects. All of the rest are objects, or any ___________ is called as object.
Select correct option:
generic type , reference type
primitive types , generic type
Reference type , generic type
Reference type , primitive types

Question # 4 of 10 ( Start time: 11:24:35 PM ) Total Marks: 1
In Java which of the following is not Primitive Type
Select correct option:
byte
short
decimal
int

Question # 5 of 10 ( Start time: 11:24:56 PM ) Total Marks: 1
Prolog is considered to be as ________
Select correct option:
case and type insensitive
case and type sensitive
case sensitive and type insensitve
case insensitive and type sensitive

Question # 6 of 10 ( Start time: 11:25:14 PM ) Total Marks: 1
In Prolog language____is used for comments.
Select correct option:
//
%
&
’

Question # 7 of 10 ( Start time: 11:25:25 PM ) Total Marks: 1
Method that would be free functions in _________(not members of any class) should be static method in _________.
Select correct option:
Java , C#
C++ , C#
Java , C++
C++ , Java

Question # 8 of 10 ( Start time: 11:25:42 PM ) Total Marks: 1
For inheritance we use______ for interface we use________ keywords.
Select correct option:
subclass:baseclass , virtual function
overloaded , virtual
extend , implement
virtual function , overloaded

Question # 9 of 10 ( Start time: 11:26:12 PM ) Total Marks: 1
In ________ for final fields and methods the value is assigned later but in ______ you assign the value during declaration.
Select correct option:
Java , C++
C++ , C#
Java , C#
C++ ,Java

Question # 10 of 10 ( Start time: 11:26:41 PM ) Total Marks: 1
The Java Bytecode is created by the Java compiler and is stored in ____ file
Select correct option:
.exe
.sys
.class
.jvm

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Which of the following is not true about delegates? CS508
Delegates are value type
Delegates are reference type
Delegates are similar to function pointers. C/C++

Page 128
Delegates are similar to function pointers. C/C++ function pointers lack instance-based
knowledge whereas C# delegate are event based can be thought of a call-back mechanism
where a request is made to invoke a specified method when the time is right.

In Java, out-of-bounds array index always causes a _______ error. CS508
Syntax
run time

In C# _____can be inherited from other class but no inheritance from it. On the other hand _________ cannot be inherited and not inheritance from it is possible.

In Prolog language____is used for comments. CS508
//
%
\
**

In Prolog % is used to write a comment just like // in C++. That is after % everything till the end of the line is a comment.

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Which of the following is not primitive type in java?

Array

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There are _____ “categories” of types in java.

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Enumeration type in C# may take any type of _______ in contrast to C++ where it take only _________

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In C# the value type and reference type variable are inter convertible through ________ concept.

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The concept of C# jagged array is similar in function to _________

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_____is more strongly typed language then _________

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In Java the ______________are not objects. All of the rest are objects, or any ___________ is called as object.

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For event driven mechanism in C# we use _______ just like ____ in C++.


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In C#, strings are _______

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______compile initially to an intermediate. Which can be run by interpretation or just in time compilation or an appropriate virtual machine?

C++ and C#
C# and Java
Java and C++
Ada, C++