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Tag: VU. CS101 -. INTRODUCTION TO COMPUTING. (Session – 1).FINALTERM. EXAMINATION. SPRING. 2006

VU CS101 – INTRODUCTION TO COMPUTING (Session – 1)FINALTERM EXAMINATION SPRING 2006

.

FINALTERM EXAMINATION

SPRING 2006 Marks: 50

CS101 – INTRODUCTION TO COMPUTING (Session – 1 Time: 120min

)

StudentID/LoginID: ______________________________

Student Name: ______________________________

Center Name/Code: ______________________________

Exam Date: Saturday, August 19, 2006

Please read the following instructions carefully before attempting any

of the questions:

1. Attempt all questions. Marks are written adjacent to each question.

2. Do not ask any questions about the contents of this examination

from anyone.

a. If you think that there is something wrong with any of the

questions, attempt it to the best of your understanding.

b. If you believe that some essential piece of information is

missing, make an appropriate assumption and use it to solve the

problem.

c. Write all steps, missing steps may lead to deduction of marks.

3. The paper is tool independent.

**WARNING: Please note that Virtual University takes serious note of

unfair means. Anyone found involved in cheating will get an `F` grade

in this course.

For Teacher’s use only

Question 1 2 3 4 5 6 7 8 9 Total

Marks

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

Which of the following file operations JavaScript can perform on a client computer?

.

Read

Modify

Arithmetic

Delete

Create

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

A cell in a spreadsheet can not contain one of the followings:

Numbers

Text

Formulas

Images

Question No: 3 ( Marks: 2 ) – Please choose one

Suppose that we have two Local Area Networks working on differe nt communication protocols. What

is the right choice to connect them?

Router

Bridge

.

Gateway

Modem

Question No: 4 ( Marks: 2 ) – Please choose one

Which of the following words can’t be used for naming an identifier in JavaScript?

struct

plugin

parent

package

Question No: 5 ( Marks: 10 )

a) Classify computer networks according to the network access policy. Write in brief. (5 marks)

b) How DBMS ensures the Security and Integrity of data contained in database? (5 marks)

Question No: 6 ( Marks: 8 )

Explain scope of local and global variables in relation to functions in JavaScript? Give an example

of each.

Question No: 7 ( Marks: 8 )

a) Differentiate between SMTP and POP3 server. (3 marks)

.

b) How you can justify that a DBMS is better to use than Flat-file database? (5 marks)

Question No: 8 ( Marks: 8 )

What will be the output of this programme? Also write comments where you find “//” symbol in

the following code.

<html>

<head>

<script language=”JavaScript”>

function doSomething() { // 1

setTimeout(‘doSomething()’,10000); // 2

}

</script>

</head>

<body onLoad=”doSomething()”> // 3

document.write(“Virtual University of Pakistan”);

</body>

</html>

Question No: 9 ( Marks: 8 )

How “Object-Oriented Graphics” and “Raster Scan Graphics” differ from each other? Which type

of graphic files are easy to transfer over web?

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