WEBCSC Computer Science Question Papers for West Bengal Co-operative Service Commission Examination

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WEBCSC Computer Science Question Papers

You will not get the exact questions in your WEBSEB exam. After completing your subject wise preparation, start to practice WEBCSC Computer Science Model Papers. The West Bengal Co-operative Service Commission Computer Science Previous Year Question Papers are very helpful to score more marks in the exam.

So, click to download the reference materials for the WEBCSC Exam preparation on Networking and DBMS. The West Bengal Co-operative Service Commission Computer Science Previous Papers will also be available on its official site.

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WEBCSC Computer Science Model Question Papers

1. In OSI network architecture, the routing is performed by
A. network layer
B. data link layer
C. transport layer
D. session layer

2. Which of the following is considered a broad band communication channel?
A. coaxial cable
B. fiber optics cable
C. microwave circuits
D. all of above

3. Which of the following is not a transmission medium?
A. telephone lines
B. coaxial cables
C. modem
D. microwave systems

4. Which data communication method is used to transmit the data over a serial communication link?
A. Simplex
B. half-duplex
C. full-duplex
D. b and c

5. How much power (roughly) a light emitting diode can couple into an optical fiber?
A. 100 microwatts
B. 440 microwatts
C. 100 picowatts
D. 10 miliwatts

6. In a synchronous modem, the digital-to-analog converter transmits signal to the
A. Equalizer
B. Modulator
C. Demodulator
D. terminal

7. A band is always equivalent to
A. a byte
B. a bit
C. 100 bits
D. none of above

8. A data terminal serves as an
A. Effector
B. Sensor
C. both a and b
D. neither a nor b

9. Which of the following transmission systems provide the highest data rate to in individual device?
A. computer bus
B. telephone lines
C. voice and mode
D. lease lines

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10. In IPv4, what is the value of the total length field in bytes if the header is 28 bytes and the data field is 400 bytes?
A. 428
B. 407
C. 107
D. 427

11. This lightweight protocol provides a way for programs to interact with each other, even if using different operating systems and located behind a firewall.
A. CORBA
B. SOAP
C. RMI
D. DCOM

12. This application program interface (API) from Sun Microsystems supports messaging between computers in a network.
A. write once, read many
B. Short Message Service
C. Simple Mail Transfer Protocol
D. Java Message Service

13. Scribd is:-
A. email client
B. blog
C. chat server
D. file sharing repository

14. What does AJAX stand for?
A. Asynchronous JavaScript & XML
B. Automatic JavaScript & XML
C. Asynchronous JavaScript & XHTML
D. Adaptive JavaScript & XML

15. What will be the output of the following javascript code
<script type=”text/javascript” language= “javascript” >
var qpt = “QualityPointTechnologies”;
var result =qpt.indexOf(“Tech”);
document. write(result);
</script>
A. 11
B. 12
C. 15
D. 13

16. In Javascript, What does is NaN function do?
A. Return true if the argument is not a number
B. Return false if the argument is not a number.
C. Return true if the argument is a number.
D. None of the above

17. What property would you use to redirect a visitor to another page?
A. document.URL
B. window.location.href
C. document.location.href
D. link. href

18. Besides<B>, another way to make text bold is what?
A. <strong>
B. <dark>
C. <fat>
D. <thick>

19. What is the correct HTML for inserting an image?
A. <image src=“image.gif” alt=“Mylmage”/>
B. <img href=“image.gif” alt=“Mylmage” />
C. <img src=“image.gif” alt=“Mylmage” />
D. <img alt=“Mylmage” >image.gif</img>

20. What is the difference between XML and HTML?
A. HTML is used for exchanging data, XML is not.
B. XML is used for exchanging data, HTML is not.
C. HTML can have user defined tags, XML cannot
D. None of these

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21. Comment in XML document is given by
A. <?– –>
B. <!– –l>
C. <!– –>
D. </– — >

22. Which of the following variables is not a predefined variable in PHP?
A. $get
B. $ask
C. $request
D. $post

23. Which of the following function returns the number of characters in a string variable?
A. count($variable)
B. len($variable)
C. strcount($variable)
D. strlen($variable)

24. To work with remote files in PHP you need to enable
A. allow_url_fopen
B. allow_remote_files
C. both of above
D. none of above

25. Which of the following delimiter is ASP style?
A. blank space
B. <% %>
C. <? ?>
D. <script language=”php”> </script>

26. Which of the following function is used for terminate the script execution in PHP?
A. break()
B. quit()
C. die()
D. exit()

27. What will be the output of below code?
<?php
$arr = array(5 => 1, 12 => 2);
Sarr{) = 56;
Sar(“x”) = 42;
echo var_dump($arr); >
A. 42
B. array(3) { [12]=> int(2) (13]=> int(56) (“x”)=> int(42) }
C. array(4) { [5J=>int(1) (12)=> int(2)[13]=> int(56) (“x”=> int(42) }
D. 1,2,56,42

28. Which of the following function is used to change the root directory in PHP?
A. choot()
B. change_root()
C. cd_root()
D. cd_r()

29. In PHP _FILE_ is?
A. Language construct
B. Keyword
C. Compile-time constant
D. None of the above

30. list in PHP is?
A. Language construct
B. Keyword
C. A & C Both
D. None of the above

31. How do you get information from a form that is submitted using the “get” method?
A. $ GET[);
B. Request.Form;
C. Request.QueryString;
D. $ POST[);

32. Identify the drawback of using procedure-oriented programming, if any:
A. Data is hidden from external functions
B. New functions can be added whenever necessary
C. Does not reflect real world problems
D. All of the above

33. Object-based programming languages do not support:
i. Inheritance
ii. Dynamic binding
iii. Encapsulation
iv. All of the above
A. Both i and ii
B. iii only
C. iv only
D. i, ii, and iii

34. Which one of the following OOP concepts enables reusability of components?
A. Inheritance
B. Encapsulation
C. Polymorphism
D. All of the above

35. What is sent to the user via HTTP, invoked using the HTTP protocol on the user’s computer, and run on the user’s computer as an application?
A. A Java application
B. A Java applet
C. A Java servlet
D. None of the above is correct.

36. What will be the output of the program?
public class X
{
public static void main(String [] args)
{
C
badMethod():
System.out.print(“A’);
}
catch (RuntimeException ex) /* Line 10 */
{
System.out.print(“B”);
}
catch (Exception ex1)
{
System. out.print(“C”);
}
finally
{
System.out.print(“D”);
}
System.out.print(“E”);
}
public static void badMethod()
{

* throw new RuntimeException();

}
}
A. BD
B. BCD
C. BDE
D. BCDE

37. Which of the following are in aggregation in “Mobile as a system”
A. Operating system in mobile
B. Charger of mobile
C. External apps installed in mobile
D. None

38. When using method overriding, which of the following is true?
A. The number of parameters determines which version of an overridden method is invoked.
B. The class determines which version of an overridden method is invoked.
C. The method signature determines which version of an overridden method is invoked.
D. The object reference determines which version of an overridden method is invoked.

39. The relationship between a house & room is
A. Association
B. Aggregation
C. Composition
D. None of these

40. Which statements about the C# language are true ?
A. C# supports both procedural and object-oriented programming
B. C# is only a procedural language.
C. C# is only an Object-Oriented.
D. None of the above.

41. What is an Object?
A. A combination of message and data
B. A combination of namespace
C. A combination of task to be performed
D. A combination of Array

42. Which of the following operations can you NOT perform on an ADO.NET DataSet?
A. A DataSet can be synchronised with the database.
B. A DataSet can be synchronised with a RecordSet.
C. A DataSet can be converted to XML.
D. You can infer the schema from a DataSet.

43. You create an ASPNET application for BMW to sell Study Guides online. One of the requirements is that every page must display the company name at the top. You create a Web custom control that encapsulate the company name in a heading element. Your control class named CompanyName inherits from the Control class.
The following HTML code displays the company name: <h2>BMW</h2> You need to write code in the Company Name class to display the company header. Which code should you use?
A. protected override void Render(
HtmlTextWriter output)
{
output.Write(“<h2>BMW</h2>”):
}
B. protected override void OnPreRender(
EventArgs e)
{
this. Controls. Add(new
LiteralControl(“<h2>BMW</h2>”)); .
}
C. protected override void RenderChildren(
HtmITextWriter output)
{
output. Write(“<h2>BMW </h2>”):
}
D. protected override void Onlnit(EventArgs e)
{
this. Controls.Add(new
LiteralControl(*<h2>BMW</h2>”):
}

44. What is the name of the property of ASPNET page that you can query to determine that a ASPNET page is being requested not data being submitted to web server?
A. FirstGet
B. Initialized
C. IncludesData
D. IsPostBack

45. For separating server-side code from client-side code on a ASPNET page, what programming model should you use?
A. Separation model
B. Code-Behind model
C. In-Line model
D. ClientServer model

46. What namespace does the Web page belong in the .NET Framework class hierarchy?
A. System.Web.Control
B. System.Web.RootBuilder
C. System.Web.UserControl
D. System.Web.UI.Page

47. Where would you define application and session level events in ASP .NET?
A. Global.asax
B. Default.aspx
C. Web.Config
D. General.aspx

48. You are creating an ASPNET application for BMW’s Internet Web site. You want to create a toolbar that will be displayed at the top of each page in the Web site. The toolbar will contain only static HTML code. The toolbar will be used in only your application. Your plan to create the toolbar as a reusable component for your application. You need to create the toolbar as quickly as possible. What should you do?
A. Create a new Web Control Library project. Create the toolbar within a Web custom control.
B. Add a new Web user control to your ASPNET project. Create the toolbar within the Web user control.
C. Add a new Web Form to your ASPNET project. Use HTML server controls to design the toolbar within the Web Form and save the Web Form with an .ascx extension.
D. Add a new component class to your ASPNET project. Use HTML server controls to design the toolbar within the designer of the component class.

49. What debugging tools come with the NET SDK?
A. CorDBG – command-line debugger
B. Dbg CLR – graphic debugger
C. Both A and B
D. None of the above

50. What are the Activation modes for .NET Remoting?
A. Singleton
B. Singlecall
C. Both
D. None