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Saturday, July 9, 2011

Final Term VU Past Papers of CS101Introduction to computing Solved

Question No: 1    ( Marks: 1 )    - Please choose one
 ---------- was known as “mill” in Analytical engine.
        Memory
        Processor
        Monitor
        Mouse
Ref:  An arithmetical unit (the "mill") would be able to perform all four arithmetic operations, plus comparisons and optionally square roots. Initially it was conceived as a difference engine curved back upon itself, in a generally circular layout,[2] with the long store exiting off to one side. 
   
Question No: 2    ( Marks: 1 )    - Please choose one
First electronic computer was
        ABC
        UNVAC 1
        Harvard Mark 1
        IBM PC
   
Question No: 3    ( Marks: 1 )    - Please choose one
 What is NOT a key factor while designing a website?
        Usability
        User-friendly
        Consistency
        Complexity
   
Question No: 4    ( Marks: 1 )    - Please choose one
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: 5    ( Marks: 1 )    - Please choose one
The most upper right pixel of the screen is of ___________ color.
        Any
        Red
        Green
        Blue
   
Question No: 6    ( Marks: 1 )    - Please choose one
 A single pixel can acquire approximately ___________ color schemes.
        1 million
        2 million
        10 million
        16 million
   
Question No: 7    ( Marks: 1 )    - Please choose one
The idea of Neural Networks field is based upon ______________.
        Human nature
        Human brain
        Human culture
        Human actions
   
Question No: 8    ( Marks: 1 )    - Please choose one
Which one of the following is an application for artificial intelligence?
        Robotic
        Web Agent
        Decision Support System
        All of the given options
   
Question No: 9    ( Marks: 1 )    - Please choose one
Register is a kind of ______memory

        Fast
        Super fast
        Slow
        Very slow
   
Question No: 10    ( Marks: 1 )    - Please choose one
Which of the following is a true statement?
        Flat-file storage is better than tabular storage.
        Tabular storage is better than flat-file storage.
        Flat-file storage is better than relational storage.
        None of the given options
   
Question No: 11    ( Marks: 1 )    - Please choose one
substring(n, m) returns a string containing characters copied from position n to___________.
        m – 2
        m – 1
        m + 1
        m
   
Question No: 12    ( Marks: 1 )    - Please choose one
 The __________ is the old profession which is being eliminated because of computing.
        Typist
       ► Bank manager
        Operational manager
        All of the given options
   
Question No: 13    ( Marks: 1 )    - Please choose one
 The system that manages relational database, is called ______________.
        None of the given options
        Database Management System
        Data Management System
        Relational Database Management System
   
Question No: 14    ( Marks: 1 )    - Please choose one
 When web server is busy it gives the following message to the user :
        Time out
        Waiting
        Server busy
        None of the given options
   
Question No: 15    ( Marks: 1 )    - Please choose one
The group of technologies concerned with the capturing, processing and transmission of information in the digital electronic form is called _____________.
        Telecom Engineering
        Computer Engineering
        Computer Science
        Information Technology
   
Question No: 16    ( Marks: 1 )    - Please choose one
_____________ team consists on the sharpest technical minds in the company.

        Architecture
        Business Development
        Configuration Management
        Developer
   
Question No: 17    ( Marks: 1 )    - Please choose one
 TCP stands for ________.

        Transfer Center protocol
        Transmission Control Protocol
        Transmission Center Protocol
        Telephone Center Protocol
   
Question No: 18    ( 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: 19    ( Marks: 1 )    - Please choose one
Microsoft Word is a type of:
        System Software
        Freeware Software
        Shrink-Wrapped Software
        Custom-built Software
   
Question No: 20    ( Marks: 1 )    - Please choose one
Users __________, how things work.
        Analyze in detail
        Muddle through
        Figure out
        Read in detail
   
Question No: 21    ( Marks: 1 )    - Please choose one
Popular schemes used for reducing bytes for storage are:
        RGB and Color mapping
        RGB and Dithering
        RGB, Color mapping and Dithering
        Color mapping and Dithering
   
Question No: 22    ( Marks: 1 )    - Please choose one
Hardware malfunctions is related to
        Data updates
        Data integrity
        Data security
        Data accessibility
   
Question No: 23    ( Marks: 1 )    - Please choose one
If incorrectly we enter the negative age it is check by
         Limit Integrity
        Type Integrity
        Referential Integrity
        Physical Integrity
   
Question No: 24    ( Marks: 1 )    - Please choose one
Which is the user-friendly way of presenting data ?
        Query
        Form
        Report
        All of the given options
   
Question No: 25    ( 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: 26    ( Marks: 1 )    - Please choose one
In JavaScript,   a || b    is interpreted as

        a is true or b is false
        a is true and b is true
        a is false and b is true
        a is true or b is true or both are true
   
Question No: 27    ( Marks: 1 )    - Please choose one
Speakers fall into the hardware category.
       ► True
       ► False
   
Question No: 28    ( Marks: 1 )    - Please choose one
onBlur event is occurred for a form element when it ____________

        Gets focus
        ► Losts focus
        ► Some thing is typed in
        ► onBlur is not an event

   
Question No: 29    ( Marks: 1 )    - Please choose one
You can view a 3-D image on a _____________.
        3-D display
        2-D display
        On both 2-D and 3-D displays
        We can not view a 3-D image
   
Question No: 30    ( Marks: 1 )    - Please choose one
Module level design and unit testing is the responsibility of _____________.
        Team Lead
        Developer
        Project Manager
        Quality Assurance Expert
   
Question No: 31    ( Marks: 1 )
What is heuristic?

Common sense Lesson drawn from experience
(Artificial) Intelligent Systems
SW programs or SW/HW systems designed to perform complex tasks employing strategies that mimic
some aspect of human thought

or 

  • a commonsense rule (or set of rules) intended to increase the probability of solving some problem
  • of or relating to or using a general formulation that serves to guide investigation 
   
Question No: 32    ( Marks: 1 )
In programming, what is an object ?

Object: A named collection of properties (data, state) & methods (instructions, behavior)
   
Question No: 33    ( Marks: 2 )
 What is spreadsheet? List any two jobs that it can do.
A spreadsheet is a grid that organizes data into columns and rows. Spreadsheets make it easy to display 
information, and people can insert formulas to work with the data.

Electronic replacement for ledgers
Charts
financial-forecasting
   
Question No: 34    ( Marks: 2 )
In JavaScript, what is event handling? What are the two types of events?

Capturing events and responding to them
The system sends events to the program and the program responds to them as they arrive
Events can include things a user does - like clicking the mouse - or things that the system itself does -
like updating the clock. 

   
Question No: 35    ( Marks: 3 )
Explain how many ways businesses monitor their employees?
• Systems are available that monitor almost every key stroke that an employee makes on a computer
• Systems are available that read and censor all incoming and outgoing eMail
• It is quite straight forward to monitor where you surf, and when
   
Question No: 36    ( Marks: 3 )
What is difference between Design and System Architecture?
A system architecture or systems architecture is the conceptual design that defines the structure and/or behavior of a system.
An architecture description is a formal description of a system, organized in a way that supports reasoning about the structural properties of the system
Designs it as an independent, selfcontained system

   
Question No: 37    ( Marks: 3 )
What are the Sub categories of Artificial Intelligence? Briefly explain any two.
Expert systems
Systems that, in some limited sense, can replace an expert
Robotics
Automatic machines that perform various tasks that were previously done by humans
Example:
Pilot-less combat air planes

Decision Support Systems:
Interactive software designed to improve the decision-making capability of their users
Utilize historical data, models to solve problems



    
Question No: 38    ( Marks: 5 )
How many ways are there to call a function in a program ? Explain with example
Functions do not run automatically. When the page loads, each function waits quietly until it is told to run

Calling a Function From an Event Handler

An event handler is a command which calls a function when an event happens, such as the user clicking a button. 

The command is written in the format onEvent, where Event is the name for a specific action. Here are some common examples:

   

Calling a Function From Another Function

function doSomething() {
  doSomethingElse();  // This line calls the next function
}
 
Question No: 39    ( Marks: 5 )
 Elaborate the ‘+ ’ operator and its constraints with the help of examples
The “+” String Operator
The “+” operator can be used to concatenate two strings
title = “bhola” + “continental”
The value of the variable title becomes “bholacontinental”


   
Question No: 40    ( Marks: 10 )
Write a JavaScript program having two functions sum and mean. 
The web page will ask the user to enter five values to be added. 
After taking input it will calculate the sum and mean of those values by calling sum and mean functions.


   
Question No: 41    ( Marks: 10 )
Define the following terms.
Object
A named collection of properties(data, state) & methods (instructions, behavior)
Event Handler

An event handler is a command which calls a function when an event happens, such as the user clicking a button

Local Variable 
Declaring variables (using the var keyword) within a function, makes them local•They are available only
within the function and hold no meaning outside of it
Scope of Variable
Defining the space in which a variable is effective is known as
defining the scope of a variable. A variable can be either local or global in scope
Array
An indexed list of elements

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