Monday, April 2, 2012

(Attock VU Group) MIDTerm_CS101_s4_solved


Mid Term 

MIDTERM  EXAMINATION

Question No: 1    ( M a r k s: 1 )    http://vuzs.net

 Human are better than computers at:

       ► Efficiency

       ► Accuracy

       ► Pattern recognition

       ► None of the given choices

Question No: 2    ( M a r k s: 1 )    http://vuzs.net

 Cray-1 was first commercial _________ computer

       ► Super

       ► Mini

       ► Micro

       ► Personal 

Question No: 3    ( M a r k s: 1 )    http://vuzs.net

 URL is a/an ________

       ► Device

       ► Component

       ► Address

       ► Tool 

Question No: 4    ( M a r k s: 1 )    http://vuzs.net

 Mainframe Computers are also called _____

       ► Enterprise Servers

       ► Personal Servers

       ► Enterprise Managers

       ► Window Servers

Question No: 5    ( M a r k s: 1 )    http://vuzs.net

 Which of the following is NOT a category of Mobile Computers?

       ► Laptop

       ► Palmtop

       ► Desktop

       ► Wearable

Question No: 6    ( M a r k s: 1 )    http://vuzs.net

 Preliminary exploration of possible solutions, technologies, suppliers is called

       ► Viability

       ► Feasibility

       ► Specification

       ► Integration

Question No: 7    ( M a r k s: 1 )    http://vuzs.net CS101  Mid Term Papers

__________ give us the ability to manipulate data through reference instead of actual

value.

       ► Constants

       ► Variables

       ► Data Types

       ► Operators

Question No: 8    ( M a r k s: 1 )    http://vuzs.net

 Consider the following statement written in JavaScript:

 str = "Hello" + " World"

 

What will be the value of str ?

       ► HelloWorld

       ► Hello World

       ► Hello + World

       ► It will result in error

Question No: 9    ( M a r k s: 1 )    http://vuzs.net

 A tool that helps you to find the synonyms is called ______________

       ► Language

       ► Paragraph

       ► Thesaurus

       ► Symbol   

Question No: 10    ( M a r k s: 1 )    http://vuzs.net

 Communication protocol is a __________that governs the flow of information over a

network

       ► Set of protocols

       ► Set of rules

       ► Device

       ► Set of methods

Question No: 11    ( M a r k s: 1 )    http://vuzs.net

 If a computer could pass the Turing test  then it would be able to:

       ► think like human beings

       ► do the things faster

       ► win a million dollar prize

       ► store more information  

Question No: 12    ( M a r k s: 1 )    http://vuzs.net

 The first Web browser with a GUI was generally available in:

       ► 1992

       ► 1993

       ► 1994

       ► 1995

Question No: 13    ( M a r k s: 1 )    http://vuzs.net

 Web is a unique invention by humans in terms that it is:

       ► accessible to only the owners who control it

       ► accessible from particular locations only

       ► accessible to all humans

       ► accessible to only the educational institutes

Question No: 14    ( M a r k s: 1 )    http://vuzs.net

 In this URL http://www.msn.com , _____identifies the domain name

       ► http

       ► www

       ► msn

       ► com

   Question No: 15    ( M a r k s: 1 )    http://vuzs.net

 ______ is simply a fast port that lets you connect computer peripherals and consumer

electronics to your computer without restart.

       ► Freeware

       ► Shareware

       ► Firewire

       ► Firmware

Question No: 16    ( M a r k s: 1 )    http://vuzs.net

 Which of the following is NOT supported by PC's power supply.

       ► -12 and +12  V DC

       ► -10  and +10 V DC

       ► -5 and + 5 V DC

       ► All are supported  

Question No: 17    ( M a r k s: 1 )    http://vuzs.net

 In which case Cache Memory is used

       ► To increase RAM speed

       ► To overcome BUS speed

       ► To overcome Speed rate between RAM and CPU

       ► To overcome CPU speed

Question No: 18    ( M a r k s: 1 )    http://vuzs.net

 To display a single line text area on the web page, we use ___ tag

       ► TEXT

       ► TEXTBOX

       ► INPUT

       ► INPUTBOX    

Question No: 19    ( M a r k s: 1 )    http://vuzs.net

 If an algorithm is syntactically correct, but semantically incorrect then this situation is

       ► Very good situation

       ► Very dangerous situation

       ► Not very bad

       ► Neutral situation

Question No: 20    ( M a r k s: 1 )    http://vuzs.net

 Users communicate with the computer using a consistent user interface provided by the

OS.

       ► True

       ► False  

Question No: 21    ( M a r k s: 1 )    http://vuzs.net

 Application developers do not need to know much about the HW, especially the

microProcessor, while they are developing their application.

       ► True

       ► False

Question No: 22    ( M a r k s: 1 )    http://vuzs.net

 The first spread sheet program was invented by

       ► Charles Babbage

       ► Dan Bricklin

       ► Paul Graham

       ► John von Neumann

Question No: 23    ( M a r k s: 1 )    http://vuzs.net

 Which representation technique of algorithm is more suitable for developer to make

actual code___________.

       ► pseudo code

       ► flow chart

       ► both pseudo code and flow chart

       ► Heuristics 

 Question No: 24    ( M a r k s: 1 )    http://vuzs.net

 _____________ is used to terminate all JavaScript statements.

       ► Colon

       ► Semicolon

       ► Underscore

       ► Apostrophe

    Question No: 25    ( M a r k s: 1 )    http://vuzs.net

 In java script cookies can be created for future use_____.

       ► Easily

       ► No facility at all

       ► This is not possible without Java language.

       ► Cookies are files so java script can not handle it. 

Question No: 26    ( M a r k s: 1 )    http://vuzs.net

 When the microprocessor desires to look at a piece of data, it checks in

the __________ first.

       ► RAM

       ► ROM

       ► hard disk

       ► cache  

Question No: 27    ( M a r k s: 1 )

 What is the basic difference between 'magnetic tapes' and 'floppy disks' ?

  

Question No: 28    ( M a r k s: 1 )

 What was the name of first microprocessor built by Intel ?

Answer:  The Intel 4004.

 Question No: 29    ( M a r k s: 2 )

 What was the name of first super computer. When it was introduced?

 Answer  

1.)    ENIAC is the first super computer in world

2.)    Supercomputers were introduced in the 1960s and were designed primarily by Seymour Cray at Control Data Corporation (CDC)

Question No: 30    ( M a r k s: 3 )

 Write a short note on blue pacific Super Computer.

 Answer:   At the high end of supercomputing are computers like IBM's "Blue Pacific," announced

on October 29, 1998. Built in partnership with Lawrence Livermore National Laboratory in California, Blue Pacific is reported to operated at 3.9 teraflop (trillion floating point operations per second), 15,000 times faster than the average personal computer. It consists of 5,800 processors containing a total of 2.6 trillion bytes of memory and interconnected with five miles of cable.

Question No: 31    ( M a r k s: 5 )

 What are JavaScript literal and what are its types?

Answer:  JavaScript Literals

A data value that appears directly in a statement

Literals can be of several types.  Some of them are:

Number

String

Boolean

Numeric Literals

24,-230000000000000000,9.80665,1.67e-27,

JavaScript stores all numbers, even integers, as floating-point numbers

String Literals

"" , ''Bhola" , "Where is the Bhola Continental Hotel?"

String literals are always enclosed in a matching pair of single or double quotes

Boolean Literals

True, false ,

 if ( tankFull == false)

addMoreWater = true

Question No: 32    ( M a r k s: 5 )

Can you say that URL and semantic web sites are same? Justify your answer by defining

Spring 2009

CS101- Introduction to Computing (Session - 6)

Time: 60 min

M a r k s: 43


    

Question No: 1    ( M a r k s: 1 )    http://vuzs.net

Cray-1 was first commercial _________ computer

       ► Super

       ► Mini

       ► Micro

       ► Personal

   

Question No: 2    ( M a r k s: 1 )    http://vuzs.net

Browser is a __________________ used for browsing.

       ► Tool

       ► Component

       ► Device

       ► None of the given choices

   

Question No: 3    ( M a r k s: 1 )    http://vuzs.net

It represents the _____________ flow chart element.

 

       ► Flow Line

       ► Connector

       ► Off-page connector

       ► Start or Stop

   

Question No: 4    ( M a r k s: 1 )    http://vuzs.net

 JavaScript is an example of  _____________ language.

 

       ► Object-based

       ► Object-oriented

       ► Machine

       ► Assembly

   

Question No: 5    ( M a r k s: 1 )    http://vuzs.net

 The set of rules and guidelines a team of developers follow to construct reasonably complex SW systems is called

 

       ► Object Oriented Design

       ► Object Oriented Software

       ► Design Methodology

       ► Programming language

   

Question No: 6    ( M a r k s: 1 )    http://vuzs.net

 Waterfall is a _________ life-cycle model.

 

       ► Spiral

       ► Sequential

       ► Circular

       ► Spherical

   

Question No: 7    ( M a r k s: 1 )    http://vuzs.net

 What happens if I start a new list without closing the original one?

       ► An error will be generated

       ► A nested list will be created

 

       ► Previous list will end and a new will start.

 

       ► Nothing will happen

 

   

Question No: 8    ( M a r k s: 1 )    http://vuzs.net

 In Spreadsheets, you can create a relationship between two cells by using _____.

 

       ► Numbers

       ► Text

       ► Formulas

       ► None of the given choices

    

Question No: 9    ( M a r k s: 1 )    http://vuzs.net

 VisiCalc was the first popular _______application on PC's.

 

       ► Spreadsheet

       ► Word processor

       ► Presentation

       ► Database

   

Question No: 10    ( M a r k s: 1 )    http://vuzs.net

 Fins are used to --------------

 

       ► Communicate with microprocessor

       ► Increase surface area of Fan

       ► Decrease surface area of Fan

       ► Speed up the Fan.

   

Question No: 11    ( M a r k s: 1 )    http://vuzs.net

 Using only HTML we can create

 

       ► Dynamic web pages

 

       ► Static web pages

 

       ► Both Static and Dynamic pages

 

       ► None of these

 

 

http://groups.google.com/group/vuZs

 

   

Question No: 12    ( M a r k s: 1 )    http://vuzs.net

 Everything that JavaScript manipulates is treated as:

       ► Object

 

       ► Window

 

       ► Text

 

       ► Script

 

   

Question No: 13    ( M a r k s: 1 )    http://vuzs.net

 The ______ is connected to all other modules of the microprocessor.

 

       ► Control unit

       ► Memory unit

       ► Floating Point unit

       ► Arithmetic and Logic unit

   

Question No: 14    ( M a r k s: 1 )    http://vuzs.net

 Communication protocol is a __________that governs the flow of information over a network

       ► Set of protocols

       ► Set of rules

       ► Device

       ► Set of methods

   

Question No: 15    ( M a r k s: 1 )    http://vuzs.net

 _________ is the interface in computer that supports transmission of multiple bits at the same time.

       ► Serial Port

       ► Parallel Port

       ► Universal Serial Bus

       ► None of the given choices

   

Question No: 16    ( M a r k s: 1 )    http://vuzs.net

 _____ was designed as a replacement for typewriter

       ► Spreadsheet Software

       ► Word Processor Software

       ► Presentation Software

       ► Database Software

   

Question No: 17    ( M a r k s: 1 )    http://vuzs.net

 Which one of these translates the program once at a time ?

       ► Interpreter

       ► Compiler

       ► Operating system

       ► Translator

   

 

http://groups.google.com/group/vuZs

 

Question No: 18    ( M a r k s: 1 )    http://vuzs.net

 Randomized algorithms are often ________ than deterministic algorithms for the same problem.

       ► Simpler and more slow

       ► Simpler and more efficient

       ► Complex and more efficient

       ► Complex and more slow

   

Question No: 19    ( M a r k s: 1 )    http://vuzs.net

 Ada written a computer programme for ?

 

       ► Analytical Engine

 

       ► Difference Engine

 

       ► Harvard Mark 1

 

       ► Mechanical engine

 

   

Question No: 20    ( M a r k s: 1 )    http://vuzs.net

 A test proposed to determine if a computer has the ability to think. It is called?

 

       ► Turing test

 

       ► Turning test

 

       ► Intelligence test

 

       ► None

 

   

Question No: 21    ( M a r k s: 1 )    http://vuzs.net

 The most used form tag is the  tag.

 

       ► True

       ► False

   

Question No: 22    ( M a r k s: 1 )    http://vuzs.net

 When the user clicks on the "Submit" button, the content of the form is sent to the server.

 

       ► True

       ► False

   

Question No: 23    ( M a r k s: 1 )    http://vuzs.net

 Extension for saving web page is / are;

       ► *.html

       ► *.htm

       ► *.html and *.htm both are in use

       ► None of These

   

Question No: 24    ( M a r k s: 1 )    http://vuzs.net

 In spread sheet a cell may contain

 

 

http://groups.google.com/group/vuZs

 

       ► Numbers

       ► Text

       ► Formulas

       ► All of the given

   

Question No: 25    ( M a r k s: 1 )    http://vuzs.net

 Programs where no user interaction found during program execution are called __________.       

       

       ► Batch programs

       ► Event-driven programs

       ► Graphics based programs

       ►  None of the given

   

Question No: 26    ( M a r k s: 1 )    http://vuzs.net

 OO software is all about _____________.

     

           

     

 

       ► Behaviors

       ► Methods

       ► Properties

       ► Objects

   

Question No: 27    ( M a r k s: 1 )

 What is the key feature of batch programs?

Answer: The key feature is no user interaction with computer while a program is running.   

 

Question No: 28    ( M a r k s: 1 )

 Name two languages which are used for client side scripting?

Answer: Javascript , VBscript  

 

Question No: 29    ( M a r k s: 2 )

 What is the purpose of MODEM ?

Answer: It receive data analog signal from a phone line and then convert them into digital signal and send back to the computer with which it is attached. It also receives data from computer and convert it into analog signals.  

 

Question No: 30    ( M a r k s: 3 )

 What is Home Page of a web site?

Answer: For a web user it is a first page displayed when a user starts a web browser and for a web developer it is a first page when a user selects a site.

   

Question No: 31    ( M a r k s: 5 )

 Why microprocessor uses the binary number system and not the decimal or any other number system?

Answer: Because this system is natural for digital computer. Digital computer have fundamental building blocks like ON & OFF Etc so it is natural to represent those in a number system that has only two symbols e.g Binary Numbers 0,1. Whereas decimal system is natural for human.

 

 

http://groups.google.com/group/vuZs

 

   

Question No: 32    ( M a r k s: 5 )

 What is the difference between Interactive-mode and Batch-mode Application Software?

Answer: Batch-mode: This Mode Program has no user interaction with computer while a program is running e.g Paroll

Interactive-mode: The user runs the program on the computer and keeps interacting with the computer while a program is running e.g word processor

Fall 2009

CS101- Introduction to Computing (Session - 4)

http://groups.google.com/group/vuZs

 

Time: 60 min

M a r k s: 43

Question No: 1    ( M a r k s: 1 )    http://vuzs.net

 Human are better than computers at:       

► Pattern recognition

 

       ► Efficiency

       ► Accuracy

       ► Pattern recognition

       ► None of the given choices

   

Question No: 2    ( M a r k s: 1 )    http://vuzs.net

 The memory size of the Altair 8800 was► 256 bytes

       ► 128 bytes

       ► 128 Kilo bytes

       ► 256 Kilo bytes

       ► 256 bytes

   

Question No: 3    ( M a r k s: 1 )    http://vuzs.net

 Information on World Wide Web is __► Logically _____________ unified.

       ► Physically

       ► Logically

       ► Really

       ► None of the given choices

   

Question No: 4    ( M a r k s: 1 )    http://vuzs.net

 Mainframe Computers are also called _► Enterprise Servers ____

       ► Enterprise Servers

       ► Personal Servers

       ► Enterprise Managers

       ► Window Servers

   

 

http://groups.google.com/group/vuZs

 

Question No: 5    ( M a r k s: 1 )    http://vuzs.net

 Which of the following is NOT a category of Mobile Computers? ► Desktop

       ► Laptop

       ► Palmtop

       ► Desktop

       ► Wearable

   

Question No: 6    ( M a r k s: 1 )    http://vuzs.net

 Hexadecimal number system is based on -----► 16--------------- digits

       ► 2

       ► 8

       ► 12

       ► 16

   

Question No: 7    ( M a r k s: 1 )    http://vuzs.net

 

    tag is used to► create unordered list

     

           ► underline text

           ► end the line

           ► create ordered list

           ► create unordered list

       

    Question No: 8    ( M a r k s: 1 )    http://vuzs.net

     Bringing subsystems together to form the system is called       ► Merging

     

           ► Integration

           ► Merging

           ► Splitting

           ► Operation & Maintenance

       

    Question No: 9    ( M a r k s: 1 )    http://vuzs.net

            ► Variables

    __________ give us the ability to manipulate data through reference instead of actual value.

     

           ► Constants

           ► Variables

           ► Data Types

           ► Operators

       

    Question No: 10    ( M a r k s: 1 )    http://vuzs.net

     In spreadsheets, cell address A12 means _ ► Row 12, Cloumn A

    ______.

     

           ► Row A, Cloumn 12

           ► Row 12, Cloumn A

           ► Row 2,Cloumn A1

           ► Row A1, Cloumn 2

       

    Question No: 11    ( M a r k s: 1 )    http://vuzs.net

     Which of the following is/are the parts of Operating system components?

           ► All of these

     

     

    http://groups.google.com/group/vuZs

     

     

           ► GUI

           ► Device Manager

           ► Shell

           ► All of these

       

    Question No: 12    ( M a r k s: 1 )    http://vuzs.net

     The key feature of Scientific/Engineering/Graphics applications is __    ► Reliability

    __________

           ► Intense calculations

           ► User-friendly

           ► Reliability

           ► Cost-effective

       

    Question No: 13    ( M a r k s: 1 )    http://vuzs.net

     Command which saves the selected text before deleting is

           ► Cut

     

           ► Copy

            ► Delete

            ► Cut 

           ► Undo

     

       

    Question No: 14    ( M a r k s: 1 )    http://vuzs.net

     All the hardware components of the Computer system are installed on--► Motherboard -----------.

     

           ► Microprocessor

           ► Motherboard

           ► Monitor

           ► Memory

       

    Question No: 15    ( M a r k s: 1 )    http://vuzs.net

     By default in a web page Hyper Link for another web page is represented as _ Blue and Underlined _______________

     

           ► Blue only

           ► Black and Underlined

           ► Blue and Bold

           Blue and Underlined 

       

    Question No: 16    ( M a r k s: 1 )    http://vuzs.net

     A microprocessor can be made more powerful by increasing its _► Clock frequency _______

     

           ► Clock frequency

           ► Word length

           ► Clock frequency and Word length

           ► None of above

       

    Question No: 17    ( M a r k s: 1 )    http://vuzs.net

         ► Website

    ____

     

    http://groups.google.com/group/vuZs___ is a related collection of WWW files that includes a beginning file called a homepage

     

           ► HTML

           ► Website

           ► HTTP

           ► Web page

       

    Question No: 18    ( M a r k s: 1 )    http://vuzs.net

     Structures, in which another list starts before the first list is finished, are called: ► Nested Lists

           ► Multiple Lists

           ► Nested Lists

           ► Ordered Lists

           ► Un-ordered Lists

       

    Question No: 19    ( M a r k s: 1 )    http://vuzs.net

     When the user needs something to be done by the computer, he/she gives instructions in the form of  _Software____ to computerHardware ____

           ► Software, Hardware

           ► Hardware, Software

           ► System Software, Application Software

           ► Graph, Monitor

       

    Question No: 20    ( M a r k s: 1 )    http://vuzs.net

     Application developers do not need to know much about the_► Hardware

    ________ while they are developing their applications

           ► Software

           ► Hardware

           ► Operating System

           ► Kernel

       

    Question No: 21    ( M a r k s: 1 )    http://vuzs.net

     Which of the following is NOT an Application Software. Windows XP

           ► Word Processor

           ► Web Browser

           ► Windows XP

           ► MS Excel

       

    Question No: 22    ( M a r k s: 1 )    http://vuzs.net

     Web Pages developed for human as well computer understanding are called as; ► Dynamic Web Pages

           ► Static Web Pages

           ► Semantic Web Pages

           ► Dynamic Web Pages

           ► Java Web Pages

       

    Question No: 23    ( M a r k s: 1 )    http://vuzs.net

     JavaScript stores all numbers as _►    ► Strings

    _________

     

    http://groups.google.com/group/vuZs_____.

     

     

           ► Integers

           ► Floating point numbers

           ► Strings

           ► Character values

       

    Question No: 24    ( M a r k s: 1 )    http://vuzs.net

     Java script and HTML are__► Java  script is case sensitive but HTML is not ________.

     

           ► case sensitive

     

           ► Not case sensitive

      

           ► Java  script is case sensitive but HTML is not

     

           ► HTML is case sensitive but Java script is not

     

     

       

    Question No: 25    ( M a r k s: 1 )    http://vuzs.net

     A diode functions as the electronic version of a _ two _________-way valve.

           ► one

           ► two

           ► three

           ► four

       

    Question No: 26    ( M a r k s: 1 )    http://vuzs.net

     The first -► Transistor -------------was invented at Bell Laboratories on December 16, 1947 by William Shockley.

     

           ► Transistor

     

           ► Vacuum Tube

     

     

           ► Punch card

     

           ► Transmitter

     

       

    Question No: 27    ( M a r k s: 1 )

     What are compilers used for ?

         Ans: compiler is a softwear that can translate the whole programe in once.it also save the program.

    Question No: 28    ( M a r k s: 1 )

     What is Script?

    Ans: script is a sequence of steps to carry out a work by processor And manage by a language like Javascript and vb scripts.

       

     

    http://groups.google.com/group/vuZs

     

    Question No: 29    ( M a r k s: 2 )

     What is

      tag in HTML and How it is different from 
    tag?

    Ans:

    is used for paragraph in HTML language it has a closing tag

    unlike 
    which has no closing tag. Br only used to break the current line while

    can be used for more lines   

    Question No: 30    ( M a r k s: 3 )

     How can you manipulate the address of a file (resource) accessible on the Internet?

    World wide web ,URL, domain name

    www.youtube.com

       

    Question No: 31    ( M a r k s: 5 )

     Write Hyper Link for a Web Page and for an Email Address.

    Ans: Following are the Hyper link for a web page

    www.vu.edu .pk

    www.yahoo.com

    www.hotmail.com

     

        following are the hyperlinks for Email address

    rashidumer50@yahoo.com

    rashidumer50@hotmail.c

    Question No: 32    ( M a r k s: 5 )

     Write down the requirement of Desktop Publishing?

    User requirement

     

    Softwear requirements

    . Laser printer

      Scanner

     DESktop publishing softwears

    e.g

     adobe page maker

    Ms publisher

    High end pc with a large screen monitor

    Formate

    Numerical data

    Text

    Phograph

     Charts

 


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graphic art

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