A polymorphic operation
1.has same name
2.has same name but uses different methods depending on class
3.uses different methods to perform on the same class
4.uses polymorphic method
Posted Date:-2021-12-09 15:43:25
A search engine is a program to search
1.for information
2.web pages
3.web pages for specified index terms
4.web pages for information using specified search terms
Posted Date:-2021-12-09 16:05:05
A world wide web contains web pages
1.residing in many computers
2.created using HTML
3.with links to other web pages
4.residing in many computers linked together using HTML
Posted Date:-2021-12-10 09:30:03
An audio output unit
1.can speak out small range of digits and specified words
2.is not used in information system
3.is very expensive and is thus not used
4.is normally used to give only background music
Posted Date:-2021-12-09 15:52:47
An instance of an object is created by a
1.query operation
2.update operation
3.constructor operation
4.open operation
Posted Date:-2021-12-09 15:40:55
An object is considered an external entity in object-oriented modelling if
1.its attributes are invariant during operation of the system
2.its attributes change during operation of the system
3.it has numerous attributes
4.it has no attributes relevant to the system
Posted Date:-2021-12-09 15:39:50
An object is selected for modelling a system provided
1.its attributes are invariant during operation of the system
2.its attributes change during operation of the system
3.it has numerous attributes
4.it has no attributes relevant to the system
Posted Date:-2021-12-09 15:42:13
An update operation in an object instance
1.updates the class
2.has no side effects
3.deletes an instance
4.alters values of attribute(s) of an object instance
Posted Date:-2021-12-09 15:42:36
Bar charts are used when
1.it is required to illustrate geographical distribution of data
2.relative distribution of data in specified categories is to be shown
3.percent use of resources under various heads is to be shown
4.trends as a function of time is to be illustrated
Posted Date:-2021-12-09 15:52:02
Buttons which can be clicked using a mouse are placed in screens as
1.they are convenient to use
2.it is the modern trend
3.large number of buttons can be used
4.using a keyboard is error prone
Posted Date:-2021-12-09 15:55:27
By abstraction in object-oriented modelling we mean picking
1.only attributes appropriate to model an object
2.only operations
3.both operation and attributes with operations appropriate to model an object
4.the appropriate abstract data type
Posted Date:-2021-12-09 15:38:22
By an extranet we mean
1.an extra fast computer network
2.the intranets of two co-operating organizations interconnected via a secure leased line
3.an extra network used by an organization for higher reliability
4.an extra connection to internet provided to co-operating organizations
Posted Date:-2021-12-10 09:42:52
By an intranet we mean
1.a LAN of an organization
2.a Wide Area Network connecting all branches of an organization
3.a corporate computer network
4.a network connecting all computers of an organization and using the internet protocol
Posted Date:-2021-12-09 16:04:23
By encapsulation in object-oriented modelling we mean
1.encapsulating data and programs
2.hiding attributes of an object from users
3.hiding operations on object from users
4.hiding implementation details of methods from users of objects
Posted Date:-2021-12-09 15:41:46
By polymorphism in object-oriented modelling we mean
1.the ability to manipulate objects of different distinct classes
2.the ability to manipulate objects of different distinct classes knowing only their common properties
3.use of polymorphic operations
4.use of similar operations to do similar things
Posted Date:-2021-12-09 15:41:19
Control footing is
1.same as report heading
2.the labels printed at the end of each page
3.the labels printed at the end of each control group
4.the labels printed at the end of a report
Posted Date:-2021-12-09 15:54:46
Control footings are printed because
1.it is required in documentation
2.it is suggested by management
3.it summarizes information in logically grouped items
4.it is necessary for error detection
Posted Date:-2021-12-09 15:57:03
Designing screens uses principles
1.which are unique
2.similar to those used for printed reports
3.different from those used for printed reports
4.which are well specified
Posted Date:-2021-12-09 16:02:20
DTD definition is used along with XML to specify
1.The data types of the contents of XML document
2.The presentation of XML document
3.The links with other documents
4.The structure of XML document
Posted Date:-2021-12-10 09:41:48
Each computer connected to the internet must
1.be an IBM PC
2.have a unique IP address
3.be internet compatible
4.have a modem connection
Posted Date:-2021-12-10 09:40:22
Encapsulation in object-oriented modelling is useful as
1.it allows improving methods of an object independent of other parts of system
2.it hides implementation details of methods
3.it allows easy designing
4.encapsulates attributes and operations of object
Posted Date:-2021-12-09 15:43:00
HTML is similar to a
1.word processing language
2.screen editor
3.scripting language
4.search engines.
Posted Date:-2021-12-10 09:40:58
HTML tags define
1.The data types of elements of document
2.Presentation of specified elements of a document
3.The contents of the document
4.The structure of the document
Posted Date:-2021-12-10 09:32:26
HTML uses
1.pre-specified tags
2.user defined tags
3.tags only for linking
4.fixed tags defined by the language
Posted Date:-2021-12-10 09:25:22
In order to interpret XML documents one should
1.Use standardized tags
2.Have a document type definition which defines the tags
3.Define the tags separately
4.Specify tag filename
Posted Date:-2021-12-10 09:41:22
Inheritance in object-oriented system is used to
1.create new classes from existing classes
2.add new operations to existing operations
3.add new attributes to existing attributes
4.add new states to existing states
Posted Date:-2021-12-09 15:40:29
Internet data is broken up as
1.fixed length packets
2.variable length packets
3.not packetized
4.64 bytes packets
Posted Date:-2021-12-10 09:31:58
Internet requires
1.an international agreement to connect computers
2.a local area network
3.a commonly agreed set of rules to communicate between computers
4.a World Wide Web
Posted Date:-2021-12-10 09:31:29
Internet uses
1.Packet switching
2.Circuit switching
3.Telephone switching
4.Telex switching
Posted Date:-2021-12-10 09:29:02
IP address is currently
1.4 bytes long
2.available in plenty
3.6 bytes long
4.not assigned as it is all used up
Posted Date:-2021-12-10 09:44:13
It is possible to display pictures (i.e, images) in HTML specification by using the tag.
1.<GR src = Picture file>
2.<PIC src = Picture file>
3.<IMG src = Picture file>
4.<GIF src=Picture file>
Posted Date:-2021-12-10 09:30:34
Outputs needed by middle level managers are
1.summary reports with good grouping
2.exception reports
3.detailed reports
4.expected reports
Posted Date:-2021-12-09 16:00:32
Outputs needed by operational managers are
1.summary reports with good grouping
2.exception reports
3.detailed reports
4.expected reports
Posted Date:-2021-12-09 15:51:18
Outputs needed by top-managers are
1.summary reports with good grouping
2.exception reports
3.detailed reports
4.expected reports
Posted Date:-2021-12-09 15:58:28
Page footing is
1.same as report heading
2.the labels printed at the end of each page
3.the labels printed at the end of each control group
4.the labels printed at the end of a report
Posted Date:-2021-12-09 16:01:30
Pie charts are normally used when
1.it is required to illustrate geographical distribution of data
2.relative distribution of data in specified categories is to be shown
3.percent use of resources under various heads is to be shown
4.trends as a function of time is to be illustrated
Posted Date:-2021-12-09 15:56:12
Print chart is
1.a printed chart
2.one which is filled in by an analyst while formatting a report
3.prepared by users
4.printed by computer
Posted Date:-2021-12-09 16:03:05
Report footing is
1.same as report heading
2.the label printed at the end of each page
3.the label printed at the end of each control group
4.the label printed at the end of a report
Posted Date:-2021-12-09 15:59:08
Reports headings are used as
1.it is good practice
2.it helps in reading and understanding a report
3.it is required by management
4.it is a good documentation aid
Posted Date:-2021-12-09 15:53:50
Screens normally have
1.70 columns and 24 lines
2.80 columns and 20 lines
3.80 columns and 24 lines
4.72 columns and 22 lines
Posted Date:-2021-12-09 15:59:51
SGML stands for
1.Standard Generalized Markup Language
2.Structured General Markup Language
3.Standard Graphics Mapping Language
4.Standard General Markup Links
Posted Date:-2021-12-10 09:32:51
The packets of an internet message
1.take a predetermined path
2.take a path based on packet priority
3.go along different paths based on path availability
4.take the shortest path from source to destination
Posted Date:-2021-12-10 09:42:18
The tag used in HTML to link it with other URL's is:
1.<A>
2.<H>
3.<U>
4.<L>
Posted Date:-2021-12-10 09:44:52
The time taken by internet packets
1.can be predetermined before transmission
2.are same for all packets
3.may be different for different packets
4.is irrelevant for audio packets
Posted Date:-2021-12-10 09:29:29
When a subclass is created using inheritance the resulting class
1.may have only attributes of parent class
2.may have only operations of parent class
3.may have new operations only in addition to those in parent class
4.may have new attributes and new operations in addition to those of the parent class
Posted Date:-2021-12-09 15:39:06
X-Y graphs are normally used when
1.it is required to illustrate geographical distribution of data
2.relative distribution of data in specified categories is to be shown
3.percent use of resources under various heads is to be shown
4.trends as a function of time is to be illustrated
Posted Date:-2021-12-09 15:57:46
XLL definition is used along with XML to specify
1.The data types of the contents of XML document
2.The presentation of XML document
3.The links with other documents
4.The structure of XML document
Posted Date:-2021-12-10 09:28:04
XML stands for
1.Extra Markup Language
2.Excellent Markup Links
3.Extended Markup Language
4.Extended Marking Links
Posted Date:-2021-12-10 09:26:26
XML uses
1.user define tags
2.pre-defined tags
3.both predefined and user-defined tags
4.Extended tags used in HTML and makes them powerful
Posted Date:-2021-12-10 09:43:20
XSL definition is used along with XML definition to specify
1.The data types of the contents of XML document
2.The presentation of XML document
3.The links with other documents
4.The structure of XML document
Posted Date:-2021-12-10 09:31:01