FINALTERM EXAMINATION CS101- Introduction to Computing Fall 2008

    

Question No: 1    ( Marks: 1 )    - Please choose one

 Which function returns a randomly selected floating point number between 0 and 1 ?

       ► floor(x)

       ► ceil(x)

       ► random()(Correct)

       ► round(x)

   

Question No: 2    ( Marks: 1 )    - Please choose one

 Functions are also called:

       ► Heuristics

       ► Variables

       ► Arrays

       ► Subprograms

   

Question No: 3    ( Marks: 1 )    - Please choose one

 In JavaScript, each element of array can store data of type

       ► A Number

       ► An Array

       ► A String variable

       ► All of the given choices

   

Question No: 4    ( Marks: 1 )    - Please choose one

 The weaknesses of the computer are:

       ► Pattern recognition & Storage

       ► Speed & Innovative ideas

       ► Pattern recognition & Innovative ideas (Correct)

       ► Speed & Storage

   

Question No: 5    ( Marks: 1 )    - Please choose one

 Processed data is called ________.

       ► Information (Correct)

       ► Data

       ► Entity

       ► Attribute

   

Question No: 6    ( Marks: 1 )    - Please choose one

 Many developers write the _________ first and then incrementally convert each line into _________.

       ► Real code & Pseudo code

       ► Pseudo code & Real code

       ► Real code & Artificial code

       ► None of the given options (Correct)

   

Question No: 7    ( Marks: 1 )    - Please choose one

 When we buy a software package, we do not really buy it, we just by a license that allows us to use it, the ___________stays with the maker.

       ► Agreement

       ► Ownership (Correct)

       ► Membership

       ► Software

   

Question No: 8    ( Marks: 1 )    - Please choose one

 Name, Border, Source are the ____________ of the image object.

       ► Event Handler

       ► Properties

       ► Methods

       ► None of the given options

   

Question No: 9    ( Marks: 1 )    - Please choose one

  Using smart editors they can automatically color different parts of statements in different colors e.g. HTML tags in ____________ color.

       ► Green

       ► Grey

       ► Blue (Correct)

       ► None of the given options

   

Question No: 10    ( Marks: 1 )    - Please choose one

 ____________ is in Executive team.

       ► Project Manager (Correct)

       ► CEO

       ► Team Lead

       ► Developer

   

Question No: 11    ( Marks: 1 )    - Please choose one

 Module level design and unit testing the responsibility of _____________.

       ► Team Lead

       ► Developer (Correct)

       ► Project Manager

       ► Quality Assurance Expert

   

Question No: 12    ( Marks: 1 )    - Please choose one

 _____________ team is responsible for a project after the specification’s stage till the very end.

       ► Executive

       ► Architect

       ► Development (Correct)

       ► HR

   

Question No: 13    ( Marks: 1 )    - Please choose one

 _____________ waits for some time and then launch a function.

       ► Timeout( )

       ► setTimeout( ) (Correct)

       ► setTime( )

       ► setTimeIn( )

   

Question No: 14    ( Marks: 1 )    - Please choose one

 Which of the following is NOT an event handler for image object?

       ► onAbort

       ► onError

       ► onLoad

       ► onUser (Correct)

   

Question No: 15    ( Marks: 1 )    - Please choose one

 ______________ is a field that uniquely identifies each record stored in a table.

       ► Composite Key

       ► Primary key (Correct)

       ► Foreign key

       ► None of the given options

   

Question No: 16    ( Marks: 1 )    - Please choose one

 Distance learning has got a boost due to the ___________.

       ► Easy communication

       ► Online interactive contents

       ► Flexibility

       ► All of the given options (Correct)

   

Question No: 17    ( Marks: 1 )    - Please choose one

 By default in a web page Hyper Link for another web page is represented as ________________

       ► Blue only

       ► Black and Underlined

       ► Blue and Bold

       ► Blue and Underlined (Correct)

   

Question No: 18    ( Marks: 1 )    - Please choose one

 To store rounded number of 8.6 in a variable called "r_number", we write _____________.

       ► r_number=Maths.round(8.6)

       ► r_numbers=Maths.rounds(8.6)

       ► r_number=Math.rounds(8.6)

       ► r_number=Math.round(8.6) (Correct)

   

Question No: 19    ( Marks: 1 )    - Please choose one

 Which one is the best option for designing a Medical Expert System?

       ► Rule Based System

       ► Genetic Algorithm

       ► Fuzzy Logic

       ► Neural Network

   

Question No: 20    ( Marks: 1 )    - Please choose one

 Variables allow us to manipulate data through the ___________.

       ► Actual Value

       ► Reference (Correct)

       ► Length

       ► Name

   

Question No: 21    ( Marks: 1 )    - Please choose one

 Which is correct?

       ► onUnload (Correct)

       ► onUnLoad

       ► onUNLOAD

       ► All of the above

   

Question No: 22    ( Marks: 1 )    - Please choose one

 Capturing events and responding to them is called __________.

       ► Function Handling

       ► Event Handling (Correct)

       ► Event Procedure

       ► All of the given option

   

Question No: 23    ( Marks: 1 )    - Please choose one

 ___________ color should be used in background for a good presentation.

       ► Light

       ► Dark (Correct)

       ► Red

       ► None of the given options

   

Question No: 24    ( Marks: 1 )    - Please choose one

 Which of the following symbol is used for multiple line comments in JavaScript?

       ► /

       ► //

       ► /* (Correct)

       ► //*

   

Question No: 25    ( Marks: 1 )    - Please choose one

 In JavaScript, what will be the result of the follwoing operation

79%3

       ► 0

       ► 1 (Correct)

       ► 2

       ► 3

   

Question No: 26    ( Marks: 1 )    - Please choose one

 A new cell using HTML is added in table row by

       ► <TC>…</TC>

       ► <TR>…</TR> (Correct)

       ► <TD>…</TD>

       ► <NC>…</NC>

   

Question No: 27    ( Marks: 1 )    - Please choose one

 TCP stands for ___________.

       ► Total communication protocol

       ► Transmission control protocol (Correct)

       ► Transfer control protocol

       ► Transfer collection protocol

   

Question No: 28    ( Marks: 1 )    - Please choose one

 What is NOT a key factor while designing a website?

       ► Usability

       ► User-friendly

       ► Consistency

       ► Complexity (Correct)

   

Question No: 29    ( Marks: 1 )    - Please choose one

 

It represents the ________________ flow chart element.

       ► Process

       ► Input or Output

       ► Decision

       ► Connector

   

Question No: 30    ( Marks: 1 )    - Please choose one

 Vacuum tubes were replaced by ___

       ► Punch cards

       ► Transistors (Correct)

       ► Micro Processors

       ► Resistors

   

Question No: 31    ( Marks: 1 )

 When does recursion occur?

   

Question No: 32    ( Marks: 1 )

 What are the types of computer network according to the distance between nodes ?

   

Answer:

There are two types of networks.

1.                  LAN (Local Area Network)

2.                  WAN (Wide Area Network)

Question No: 33    ( Marks: 2 )

 What is meant by semantic error ?

   

Answer:

Occur when a statement executes and has an effect not intended by the programmer and Often times occur only in unusual & infrequent circumstances

Question No: 34    ( Marks: 2 )

 List down the names of two array methods available in JavaScript.

   

Answer:

1.                  sort( ) [sorts elements in alphabetical order]

2.                  reverse( ) [Reverses the order of elements]

Question No: 35    ( Marks: 3 )

 How can you define a consistent web design? Why is it needed?

   

Answer:

A consistent good designed website is generated for general public that allows users to attain what they want as quickly as possible without spending much effort.

A consistent good design assists the user in recovering from errors.

Question No: 36    ( Marks: 3 )

 How can we include images in a web page using HTML and Java script?

   

Answer:

Image in HTML

<IMG src=URL, alt=text height=pixels width=pixels align="bottom|middle|top">

Image in Javascript

Images in JavaScript can be manipulated in many ways using the built-in object Image.

Additional properties to HTML are hspace, vspace & lowsrc.

Example: It can be used by many handlers like, onAbort, onLoad & onError

Question No: 37    ( Marks: 3 )

 The event handler attribute consists of three parts. Write about each of them.

Answer :

The identifier of the event handler

The equal sign

A string statement enclosed in double or single quotes.

   

Question No: 38    ( Marks: 5 )

 What is a packet in the network environment? What kind of information does it contain?

Answer:

• Packet is data chopped up into pieces in a network environment.
• These packets contain information about which computer sent the data and where the data is going.
• If a packet runs into a problem during its trip, it can attempt to find another route. When all the packets get where they are going, the recipient computer puts them together again.

   

Question No: 39    ( Marks: 5 )

 Suppose we have a big project. Draw hierarchy of the people involved in the project?

   

Answer:

Please ignore small lines relating Sub Teams to subordinates due to shortage of time. ABCD etc are connected directly to Team Lead 1,2 & 3 accordingly.

Question No: 40    ( Marks: 10 )

 Write down HTML and JavaScript code for the following requirements:

Declare an Array with the identifier SUBJECT having length 5. Assign following values to the array elements:

MIS, Java, Algorithms, Databases, C++

Show all values in reverse order.

   

Question No: 41    ( Marks: 10 )

 How instant messaging works? Write the steps involved in this process.

Answer:

The Instant Messaging services available allow us to maintain a list of people (contacts) that we interact with regularly. We can send instant messages to any of the contacts in our list as long as that contact is online.

Following steps are involved in IM working.

1. User commences the IM client.
2. IM client finds the IM server & logs in.
3. It launches communication info (IP address, etc) to the IM server.
4. IM server finds user’s contacts & sends him/her the communication info.
5. IM server also notifies the contacts that the user is online; sends his/her communication info to them.
6. The user’s & the contact’s IM clients are ready to communicate directly (P2P).
7. As new contact has come online, IM server informs them about the user being online & vice versa.
8. Multiple, real-time chat are possible.
9. When the user logs-off, his/her IM client informs the IM server.
10. IM server wipes away the temporary file and informs the user’s contact’s about his/her ‘offline’ status.