CS101- Introduction to Computing today currnet FINALTERM paper February 2012

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Question No: 28 ( Marks: 1 )
List down the Analytical Engine's components name (any two)
Input
Memory
Processor
Output.
Question No: 29 ( Marks: 2 )
Why uploading a web page is important? Describe in 2 – 3 lines.
By only uploading webpage we could place our information so that other can reach up to
what we have loaded. Upload means make available our data or information for the world
web browsers.
Question No: 30 ( Marks: 3 )
What is the difference between microprocessors and microcontrollers? Give one
example of both.
The microprocessor is electronic equipment which can perform several functions and also
processing of data and information present in a computer, while microcontroller can only
perform one function for that its design.
Example:
Microprocessor: Pentium 4 & Personal Computer.
Microcontroller: Electrical device, washing machines, microwave ovens, telephones etc.
Question No: 31 ( Marks: 5 )
Differentiate uni-Processor OS from Multi-Processor OS.
Uni-processor OS’es is designed to schedule tasks on a single uP only whereas Multiprocessor
OS’es can control computers having multiple uPs, at times 1000’s of them.
Question No: 32 (Marks: 5)
Why do we call JavaScript an Object-based Language?
JavaScript shares many similarities with object-oriented languages, and therefore is
called an object-based language.
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?
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?
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.
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?
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 is needed to 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?
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.
1. The identifier of the event handler.
2. The equal sign.
3. A string consisting of JavaScript statements 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?
A packet is the smallest unit of data transmitted over a computer network. It’s a message
to be transferred over the network is broken up into small packets by the sending
computer.
Each packet contains the following info:
–Sender's address
–Destination address
–Data
–Error-recovery info.