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VU CS101- Introduction to Computing (Session – 4) MIDTERM solved unsolved past papers Spring 2009

VU CS101- Introduction To Computing (Session – 4) MIDTERM Solved Unsolved Past Papers Spring 2009

FINALTERM  EXAMINATION

Spring 2009

CS101- Introduction to Computing (Session – 4)

Ref No: 640580

Time: 120 min

Marks: 75

Student Info
 StudentID:   MC090201003
 Center:   OPKST
 ExamDate:   7/1/2009 12:00:00 AM

 

For Teacher’s Use Only

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

 Which of the following hardware component of a computer can also be called as engine?

► Bus

► Storage

► Memory

► Processor

 

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

 TCP stands for ___________.

► Total communication protocol

► Transmission control protocol

► Transfer control protocol

► Transfer collection protocol

 

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

 __________ breaks down the message to be sent over the internet into packets.

 

► FTP

► HTTP

► TCP

► IP

 

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

 A variable can be _________ in scope.

► Local

► Global

► Either local or global

► None of the given options

 

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

 A protocol used for receiving email messages is called ____________.

► URL

► Telnet

► POP3

► SMTP

 

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

 A function is also called __________.

► Sub-program

► Procedure

► Sub-routine

► All of the given option

 

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

 Capturing events and responding to them is called __________.

► Function Handling

► Event Handling

► Event Procedure

► All of the given option

 

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

 Which one of the following is NOT a primary color?

► Red

► Green

► Yellow

► Blue

 

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

 __________ are those programs in which the flow of the program is determined by the user’s actions (mouse clicks, key presses) or messages from other programs.

► Event called programs

► Event processed programs

► Event driven programs

► Event declared programs

 

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

 a = Math.ceil(12.01)

 

What will be the value of a ?

 

► 12

► 13

► 12.0

► 13.01

 

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

 Event handlers are placed in the ___________ portion of a Web page as attributes in HTML tags.

► HEAD

► BODY

► SCRIPT

► TITLE

 

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

 _________ can be used for entering, editing, or viewing data, one record at a time.

► Queries

► Forms

► Reports

► None of the given options

 

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

 random() function returns a randomly-selected, floating-point number between ____________.

► 0 and 1

► 0 and 10

► 0 and -10

► 0 and  -1

 

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

 The organizations are learning that business can be done in a more effective manner if emphasis is placed upon ___________.

► Cooperation

► Shared responsibility

► Networking

► All of the given options

 

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

 In relational database, data store in the form of _____________.

► Tables

► Rows

► Columns

► None of the given options

 

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

 Spies of one business monitoring the network traffic of their competitors’ ___________.

► Industrial Intelligence

► Industrial Espionage

► Industrial Spying

► Industrial Surveillance

 

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

 _____________ waits for some time and then launch a function.

► Timeout( )

► setTimeout( )

► setTime( )

► setTimeIn( )

 

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

 _______________ based communication allows business entities to coordinate the activities of their globally spread units with greater accuracy.

► Intranet

► Internet

► Home

► LAN

 

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

 The key responsibilities of a project manager is _____________.

► Planning and tracking of the project

► Arranging of the appropriate resources

► Client relationship management

► All of the given options

 

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

 _____________ team consists on the sharpest technical minds in the company.

► Architecture

► Business Development

► Configuration Management

► Developer

 

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

 Smart editors can automatically color different parts of statements in different colors e.g. comments in ____________ color.

► Green

► Grey

► Blue

► Red

 

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

 A collection of data organized in such a way that the computer can quickly search for a desired data item is known as :

► Retrieving

► Database

► Information

► DBMS

 

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

 Deep Blue was the name of

► computer

► human

► city

► game

 

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

 Information available on the web is

► mostly free of cost

► costly

► very cheap

► of no use

 

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

 Which one is correct?

 

► <BODY></BODY>

► <body></body>

► Both <BODY></BODY> and <body></body>

► <BODY/>

 

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

 _________ is the best known builder for supercomputers.

► Sun

► Cray Research

► Microsoft

► Apple

 

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

 Which one is the example of spreadsheet software ?

► MS Word

► MS PowerPoint

► MS Excel

► MS Access

 

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

 Currently the BlueRay DVD can store more than ________ of data.

► 10 GB

► 100 GB

► 50 GB

► 150 GB

 

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

 Blue Pacific is a name of ______ computer.

► Mini

► Desktop

► Micro

► Super

 

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

 _________________ are powerful pieces of hardware, but not much useful on their own.

► Microcontrollers

► Microprocessors

► Integrated circuits

► Ports

 

Question No: 31    ( Marks: 1 )

 In programming, what is a loop?

In computer science a for loop is a programming language statement which allows code to be repeatedly executed. A for loop is classified as an iteration statement.

 

Question No: 32    ( Marks: 1 )

 What are the other names of function? Any one.

Routine , procedure , sub prograam

 

Question No: 33    ( Marks: 2 )

 How JavaScript Arrays are heterogeneous ?

Arrays are heterogeneous in java script because at the same time stimultanously they can hold elements of multiple data types

 

Question No: 34    ( Marks: 2 )

 What is the database?

Data base is a collection of  organized data in a proper way that computer can quickly search for any desired data item , its an easy way of allowing of manipulation of data,they are design in such a way that access to any desired data can be identified and reached quickly and easy , they are generally consist of collection of interrelated files

 

Question No: 35    ( Marks: 3 )

 Differentiate between LAN and WAN with one example of each.

Lan is a local area network where as wan is a wide area network

Lan can be used in a specific areas with limited computers where as wan can be used on computers shared by large distances

For example lan can be used on pc s or an organization located in one building but wan can be used on large scales like banks all over or in any Large communication systems

 

Question No: 36    ( Marks: 3 )

 What are Trojan Horses ?

Trojen horses are  a kind of cyber crime , they are v harmful to computer because they are stand alone programme and the look like what they are not like any thing amusing or not harmless like games..

 

Question No: 37    ( Marks: 3 )

 Elaborate Rester Graphics with examples.

A raster graphics image, digital image, or bitmap, is a data file or structure representing a generally rectangular grid of pixels, or points of color, on a computer monitor, paper, or other display device.

 

To illustrate the matter further – here’s the letter “J”:

J

Look closely at it… Take a magnifying glass to it if you like. You see a “J”, the computer sees something more like this, where ‘.’ represents a zero and ‘X’ represents a one:

 

….X

….X

….X

….X

….X

….X

….X

X…X

X…X

.XXX.

 

 

Where you see a zero, the computer instructs its video hardware to paint the current background color. A one calls for the current foreground color. Yes, it is actually a bit more complicated, but it all basically boils down to one bit or the other making a distinction

between the colors of adjacent pixels, which together form an image.

 

Question No: 38    ( Marks: 5 )

 What are the important properties, methods and event handlers of image object?

The primary use of the image object is to download an image into the cache before it is needed to display , image object can be used to create different kinds of animations or to display one of several images based on the desired requirement , in java script image object can be used to display the required pre loaded image

Properties of image object is : height , width ,hspace ,vspace , src , name border etc

Methods :none

Event handlers:on aboart , onload, onerror etc

 

Question No: 39    ( Marks: 5 )

 Write the JavaScript code for the Function SumOddNumbers(maxNumber) that can add non-negative odd numbers up to maxNumber and return their sum.

 

Function sum odd numbers(maxnumber){var sum=0;

For(i=0; <maxNumbers;I++)

{

{
if(i / 2 == 1 || i == 1)
sum += i;
}

return sum;

}

 

 

Question No: 40    ( Marks: 10 )

 Write a note on :

  • Coding guidelines
  • Guidelines for developing short programs.
  • Coding guidelines
  • • Always use semicolons to end statements
  • • Indent blocks of code (2 to 5 spaces)
  • • Identifiers
  • • Use the camel back scheme
  • • Variables: nouns
  • • Functions: verbs
  • • Comment Liberally
  • • Make them descriptive but concise
  •  

   Gudelines for developing short programs.

  • • Read and understand the problem
  • • Do  you have all the required data?
  • • No: Get it
  • • Else assume it. State it explicitly
  • • Do the design

 

Question No: 41    ( Marks: 10 )

 write a note on each of the following:

a. Vector or Object-Oriented Graphics:

b. Bit-Mapped or Raster Graphics:

A:In Vector or object oriented graphic everything drawn is treated as object. objects retain their identity after they are drawon. these objects can later be moved, stretched, duplicated, deleted,etc. they are resolution independent and have relatively small file size. the examples are: swf, svg, wmf, ps

brass_ibrahim: Vector graphics is the use of geometrical primitives such as points, lines, curves, and shapes or polygon(s), which are all based on mathematical equations, to represent images in computer graphics.

brass_ibrahim: The term “vector graphics” is mainly used today in the context of two-dimensional computer graphics Virtually all modern 3D rendering is done using extensions of 2D vector graphics techniques .Virtually all modern 3D rendering is done using extensions of 2D vector graphics techniques

B:Bit-Mapped or Raster Graphics:

Treats everything that is drawn as a bit-map

If an object is drawn on top of another, it is difficult to move just one of them while

leaving the other untouched

Changing the resolution often requires considerable touch-up work

Relatively large file size

Examples: gif, jpg, bmp

masood.tariq: Bit-Mapped or Raster Graphics:

Treats everything that is drawn as a bit-map

If an object is drawn on top of another, it is difficult to move just one of them while

leaving the other untouched

Changing the resolution often requires considerable touch-up work

Relatively large file size

Examples: gif, jpg, bmp

 

 

 

 

 

 

 

 

28 objectives were from old papers out of 30.

 

What is Array?                                                     Marks 2

what is computer prrofessional?                          Marks 2

define onLoad and onUnload?                            Marks 2

waht is time bomb?                                              Marks 2

what is bandwidth?                                              Marks 2

“while” loop is more preferable than “For” loop?   Marks 3

sementic web and present web?                          Marks 3

can we replace a human doctor by Expert system? Marks 5

Difference Internt and intranet?                              Marks 5

ways of navigation Heuristics?                               Marks 5

event handling?

 

Define network organization and its advantages?       Marks 10

 

Coding Guidline and guidlines for short programs?     Marks 10

 

Dewelop a web page that displays six thumbnails

images. A main image should be changed to a large

version of thumbnail as soon as the mouse moves

over the thumbnail. Write complete html and java script? Marks 10

 

characteristics of Internet?                                        Marks 10

 

Profile and responsibilities of Team Leader?            Marks 10

 

due to computer how many jobs are available and

how many jobs are eliminated?                                 Marks

 

 

 

Today was my CS101 Paper. The Subjective Quizzes are as under:

 

1. How many members are in operational team and what there key resposibilities

 

2. What is Computer Screen?

 

3. What are weaknesses of the web?

 

4. Characteristics of Internet (Any Five)?

 

5. Breifly describe

Telnet

VoIP

Instant Messaging

FTP

IP/TCP

6. Describe the organizational structure?

 

7. What is image process

 

8. Pixel?

 

 

Today I had CS 101 Paper.There were 41 questions.30 objective and 11 descriptive.Few of the questions were:

3 attributes of event handler

Difference between Internet and Intranet

Function

Commonsense to avoid viruses and explain antivirus

TCP/IP

An attack on Yahoo servers

Spreadsheets

Codes for uploading file

Hierarchy in an organization

Team lead

COO

Developer

Businessess monitoring their employees

‘+’ operator

Image in Javascript

 

 

VU CS101- Introduction To Computing (Session – 4) MIDTERM Solved Unsolved Past Papers Spring 2009

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