Explore topic-wise MCQs in Computer Science Engineering (CSE).

This section includes 1294 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science Engineering (CSE) knowledge and support exam preparation. Choose a topic below to get started.

1051.

Html document must always be saved with:

A. .html
B. .htm
C. .doc
D. both .html & .htm
Answer» E.
1052.

Html code contains:

A. tags
B. attributes
C. elements
D. all of the mentioned
Answer» E.
1053.

Which of the following is not true about HTML ?

A. <meta>…</meta>
B. <meta…./>
C. <metadata>…</metadata>
D. <metadata name=”” />
Answer» C. <metadata>…</metadata>
1054.

This extra information is usually maintained in the form of a                    at the client.

A. cookie
B. history
C. remainder
D. none of the mentioned
Answer» B. history
1055.

The application program typically communicates with a database server, through                        or other protocols, in order to get or store data.

A. jdbc
B. odbc
C. all of the mentioned
D. none of the mentioned
Answer» D. none of the mentioned
1056.

A                      is a program running on the server machine, which accepts requests from a Web browser and sends back results in the form of HTML documents.

A. html
B. http
C. web server
D. web browser
Answer» D. web browser
1057.

HTTP defines two ways in which values entered by a user at the browser can be sent to the Web server. The            method encodes the values as part of the URL.

A. post
B. get
C. read
D. argument
Answer» C. read
1058.

Which of the following is a valid uniform resource locator?

A. http://www.acm.org/sigmod
B. www.google.com
C. www.ann.in
D. http:/www.acm.org/sigmod/
Answer» B. www.google.com
1059.

A graphical or text depiction of the relationship between different groups of content on a website is a:

A. page template
B. wireframe
C. site map
D. cascading style sheet (css)
Answer» D. cascading style sheet (css)
1060.

Storyboards are intended to:

A. indicate the structure of a site during site design and as a user feature
B. prototype of the screen layout showing navigation and main design elements
C. integrate consistently available components on the webpage (e.g. navigation, search boxes)
D. prototype typical customer journeys or click streams through a website
Answer» E.
1061.

Which of the following occupies boot record of hard and floppy disks and activated during computer startup?

A. worm
B. boot sector virus
C. macro virus
D. virus
Answer» C. macro virus
1062.

Blueprints are intended to:

A. prototype of the screen layout showing navigation and main design elements
B. show the grouping of pages and user journeys
C. indicate the structure of a site during site design and as a user feature
D. prototype typical customer journeys or clickstreams through a website
Answer» D. prototype typical customer journeys or clickstreams through a website
1063.

Also known as schematics, a way of illustrating the layout of an individual webpage is a:

A. wireframe
B. sitemap
C. card sorting
D. blueprint
Answer» B. sitemap
1064.

A graphical or text depiction of the relationship between different groups of content on a website is referred to as a:

A. wireframe
B. blueprint
C. sitemap
D. card sorting
Answer» D. card sorting
1065.

Information architecture influences:

A. answer choice
B. site structure
C. labeling
D. navigation design
Answer» C. labeling
1066.

A method of modelling and describing user tasks for an interactive application is referred to as:

A. customer journey
B. primary persona
C. use case
D. web design persona
Answer» D. web design persona
1067.

An approach to website design with the emphasis on converting visitors to outcomes required by the owner is referred to as:

A. web usability
B. persuasion
C. web accessibility
D. none of the mentioned
Answer» C. web accessibility
1068.

Thus a                of course data gives the values of all attributes, such as title and department, of all courses at a particular point in time.

A. instance
B. snapshot
C. both instance and snapshot
D. all of the mentioned
Answer» C. both instance and snapshot
1069.

Representations such as the in the dept year relation, with one column for each value of an attribute, are called                they are widely used in spreadsheets and reports and in data analysis tools.

A. cross-tabs
B. snapshot
C. both cross-tabs and snapshot
D. all of the mentioned
Answer» B. snapshot
1070.

Relation dept year(dept name, total inst 2007, total inst 2008, total inst 2009). Here the only functional dependencies are from dept name to the other attributes. This relation is in

A. fourth nf
B. bcnf
C. third nf
D. second nf
Answer» C. third nf
1071.

Designers use which of the following to tune the performance of systems to support time-critical operations?

A. denormalization
B. redundant optimization
C. optimization
D. realization
Answer» B. redundant optimization
1072.

What is the best way to represent the attributes in a large database?

A. relational-and
B. concatenation
C. dot representation
D. all of the mentioned
Answer» C. dot representation
1073.

In which of the following, a separate schema is created consisting of that attribute and the primary key of the entity set.

A. a many-to-many relationship set
B. a multivalued attribute of an entity set
C. a one-to-many relationship set
D. all of the mentioned
Answer» C. a one-to-many relationship set
1074.

Which of the following has each related entity set has its own schema and there is an additional schema for the relationship set.

A. a many-to-many relationship set
B. a multivalued attribute of an entity set
C. a one-to-many relationship set
D. all of the mentioned
Answer» B. a multivalued attribute of an entity set
1075.

                           can help us detect poor E- R design.

A. database design process
B. e-r design process
C. relational scheme
D. functional dependencies
Answer» E.
1076.

In 2NF

A. no functional dependencies (fds) exist
B. no multivalued dependencies (mvds) exist
C. no partial fds exist
D. no partial mvds exist
Answer» D. no partial mvds exist
1077.

Fifth Normal form is concerned with

A. functional dependency
B. multivalued dependency
C. join dependency
D. domain-key
Answer» D. domain-key
1078.

Which of the following has each related entity set has its own schema and there is an additional schema for the relationship set?

A. a many-to-many relationship set
B. a multivalued attribute of an entity set
C. a one-to-many relationship set
D. none of the mentioned
Answer» B. a multivalued attribute of an entity set
1079.

If a multivalued dependency holds and is not implied by the corresponding functional dependency, it usually arises from one of the following sources.

A. a many-to-many relationship set
B. a multivalued attribute of an entity set
C. a one-to-many relationship set
D. both a many-to-many relationship set and a multivalued attribute of an entity set
Answer» E.
1080.

Which of the normal form is based on multivalued dependencies?

A. first
B. second
C. third
D. fourth
Answer» E.
1081.

Which normal form is considered adequate for normal relational database design?

A. 2nf
B. 5nf
C. 4nf
D. 3nf
Answer» E.
1082.

Which forms has a relation that possesses data about an individual entity?

A. 2nf
B. 3nf
C. 4nf
D. 5nf
Answer» D. 5nf
1083.

The algorithm that takes a set of dependencies and adds one schema at a time, instead of decomposing the initial schema repeatedly is

A. bcnf algorithm
B. 2nf algorithm
C. 3nf synthesis algorithm
D. 1nf algorithm
Answer» D. 1nf algorithm
1084.

Relation R with an associated set of functional dependencies, F, is decomposed into BCNF. The redundancy (arising out of functional dependencies) in the resulting set of relations is

A. zero
B. more than zero but less than that of an equivalent 3nf decomposition
C. proportional to the size of f+
D. indeterminate
Answer» C. proportional to the size of f+
1085.

R (A,B,C,D) is a relation. Which of the following does not have a lossless join dependency preserving BCNF decomposition?

A. a->b, b->cd
B. a->b, b->c, c->d
C. ab->c, c->ad
D. a->bcd
Answer» E.
1086.

What are the desirable properties of a decomposition

A. partition constraint
B. dependency preservation
C. redundancy
D. security
Answer» C. redundancy
1087.

A relation is in                          if an attribute of a composite key is dependent on an attribute of other composite key.

A. 2nf
B. 3nf
C. bcnf
D. 1nf
Answer» C. bcnf
1088.

Which is a bottom-up approach to database design that design by examining the relationship between attributes:

A. functional dependency
B. database modeling
C. normalization
D. decomposition
Answer» D. decomposition
1089.

Functional Dependencies are the types of constraints that are based on

A. key
B. key revisited
C. superset key
D. none of the mentioned
Answer» B. key revisited
1090.

Tables in second normal form (2NF):

A. eliminate all hidden dependencies
B. eliminate the possibility of a insertion anomalies
C. have a composite key
D. have all non key fields depend on the whole primary key
Answer» B. eliminate the possibility of a insertion anomalies
1091.

A table on the many side of a one to many or many to many relationship must:

A. be in second normal form (2nf)
B. be in third normal form (3nf)
C. have a single attribute key
D. have a composite key
Answer» E.
1092.

In the                      normal form, a composite attribute is converted to individual attributes.

A. first
B. second
C. third
D. fourth
Answer» B. second
1093.

A dependency exist between two columns when

A. together they constitute a composite key for the table
B. knowing the value in one column determines the value stored in another column
C. the table is in 3nf
D. together they constitute a foreign key
Answer» B. knowing the value in one column determines the value stored in another column
1094.

A data type that creates unique numbers for key columns in Microsoft Access is:

A. autonumber
B. boolean
C. sequential key
D. sequential number
Answer» B. boolean
1095.

If every non-key attribute is functionally dependent primary key, then the relation will be in

A. first normal form
B. second normal form
C. third form
D. fourth normal form
Answer» C. third form
1096.

The term for information that describes what type of data is available in a database is:

A. data dictionary
B. data repository
C. index data
D. metadata
Answer» E.
1097.

If a relation is in BCNF, then it is also in

A. 1 nf
B. 2 nf
C. 3 nf
D. all of the mentioned
Answer» E.
1098.

Which one is based on multi-valued dependency:

A. first
B. second
C. third
D. fourth
Answer» E.
1099.

Identify the composite attributes

A. salary
B. credits
C. section_id
D. none of the mentioned
Answer» E.
1100.

A domain is              if elements of the domain are considered to be indivisible units.

A. atomic
B. subatomic
C. substructure
D. subset
Answer» B. subatomic