Explore topic-wise MCQs in Bachelor of Sc in Information Technology.

This section includes 48 Mcqs, each offering curated multiple-choice questions to sharpen your Bachelor of Sc in Information Technology knowledge and support exam preparation. Choose a topic below to get started.

1.

What are the heuristics which sequencing diagram follows?

A. put pairs of lifelines that interact heavily next to one another
B. position lifelines to make message arrows as short as possible
C. position lifelines to make message arrows go from left to right
D. all of the mentioned
Answer» E.
Discussion
2.

What is break fragment?

A. an fragment which has one or more guarded operands whose guards are mutually exclusive—that is, at most one of them can be true at any time
B. a fragment which has a single operand that is performed instead of the remainder of the enclosing fragment or diagram if the operand guard is true
C. a fragment which has a single operand that may or may not have a guard
D. none of the mentioned
Answer» C. a fragment which has a single operand that may or may not have a guard
Discussion
3.

When is the operation executing, suspended and active?

A. an operation is executing when some process is actually running its code
B. an operation is suspended when it sends a synchronous message and it is waiting for the message to return
C. an operation is active when it is either executing or suspended
D. all of the mentioned
Answer» E.
Discussion
4.

Which of these are true with respect to the message arrows?

A. the synchronous message arrow is used when a sending individual continues execution after sending the message
B. the asynchronous message arrow is used when a sending individual suspends execution after sending the message
C. the dashed arrow is used either to show the return of control from a synchronous message or to create a new entity
D. all of the mentioned
Answer» D. all of the mentioned
Discussion
5.

What are the three different types of message arrows?

A. synchronous, asynchronous, asynchronous with instance creation
B. self, multiplied,instance generator
C. synchronous, asynchronous, synchronous with instance creation
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
6.

What is a lifeline?

A. it is a frame consisting of a rectangle with a pentagon inits upper left-hand corner
B. it is a rectangle containing an identifier with a dashed line extending below the rectangle
C. it is a name compartment ; the interaction is represented inside the rectangle
D. none of the mentioned
Answer» C. it is a name compartment ; the interaction is represented inside the rectangle
Discussion
7.

What does a message mean?

A. it passes all communications from one object to another and are represented by message arrows in sequence diagrams
B. message goes from the sending object’s lifeline to the receiving object’s lifeline
C. it is a rectangle containing an identifier with a dashed line extending below the rectangle
D. all of the mentioned
Answer» B. message goes from the sending object’s lifeline to the receiving object’s lifeline
Discussion
8.

Which of the following is true about Sequence frames?

A. a sequence diagram has a frame consisting of a rectangle with a pentagon inits upper left-hand corner
B. the pentagon is its name compartment ; the interaction is represented inside the rectangle.
C. the string in the name compartment has the form sd interaction identifier where interaction identifier is either a simple name or an operation specification with the same format as in a class diagram
D. all of the mentioned
Answer» E.
Discussion
9.

What are the different interaction diagram notations does UML have?

A. a sequence diagram
B. a communication diagram
C. an interaction overview diagram
D. all of the mentioned
Answer» E.
Discussion
10.

What is a sequence diagram?

A. a diagram that shows interacting individuals along the top of the diagram and messages passed among them arranged in temporal order down the page
B. a diagram that shows messages super imposed on a diagram depicting collaborating individuals and the links among them
C. a diagram that shows the change of an individual’s state over time
D. all of the mentioned
Answer» B. a diagram that shows messages super imposed on a diagram depicting collaborating individuals and the links among them
Discussion
11.

What is Interaction diagram?

A. interaction diagrams are the uml notations for dynamic modeling of collaborations
B. interaction diagrams are a central focus of engineering design
C. all of the mentioned
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
12.

Sequential composite states simplify state models in two ways?

A. they organize states into hierarchies
B. they consolidate many transitions
C. all of the mentioned
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
13.

What is sequential and concurrent composite state means?

A. a concurrent composite state contains a single state diagram composed of sub- states or inner states and the transitions between them
B. a sequential composite state contains two or more sequential state diagrams in regions separated by dashed lines called concurrent region boundary lines
C. all of the mentioned
D. none of the mentioned
Answer» E.
Discussion
14.

Which of the following are composite states?

A. a sequential composite state
B. a concurrent composite state
C. all of the mentioned
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
15.

Which of the following represents State Diagram?

A. the finite automaton initial state is designated by a special initial pseudo-state depicted as a large black dot at the tail of an arrow pointing at the initial state
B. a finite automaton may execute forever or it may halt in a final state
C. transitions are represented by solid arrows labeled with one or more transition strings that describe the circumstances under which the transition is triggered and the actions that may ensue
D. all of the mentioned
Answer» E.
Discussion
16.

Which of the following determines state diagram?

A. the uml notation for specifying finite automata is the state diagram
B. in state diagrams, states are represented by rounded rectangles
C. all of the mentioned
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
17.

What does deterministic and non deterministic automaton?

A. a non-deterministic finite automaton is a finite automaton that has no spontaneous transitions and has a single transition that it must make in response to every event in each of its states
B. a deterministic finite automaton is one with multiple transitions
C. all of the mentioned
D. none of the mentioned
Answer» E.
Discussion
18.

Which of the following are the heuristics for class diagram?

A. never place a name, role names, or multiplicities on a generalization connector
B. use the interface ball and socket symbols to abstract interface details and a stereotyped class symbol to show details.
C. don’t italicize interface or operation names
D. all of the mentioned
Answer» E.
Discussion
19.

Every finite automaton specification must contain which of the following?

A. descriptions of the automaton’s states in a way that allows them to be distinguished, such as by naming each one;
B. descriptions of transitions indicating each transition’s source state, its target state, and the events that trigger it;
C. designation of an initial state, the starting place for state transitions
D. all of the mentioned
Answer» E.
Discussion
20.

A required interface can be shown in which of the following ways?

A. to attach the stick of an interface socket symbol to a class or component
B. to connect the class or component requiring the interface to an interface ball with a dependency arrow
C. to connect the class or component to a stereotyped class symbol with a dependency arrow
D. all of the mentioned
Answer» E.
Discussion
21.

A provided interface can be shown in which of these ways?

A. to attach the stick of an interface lollipop symbol to a class or component
B. to connect a stereotyped class symbol representing the interface to the providing class or component using a special realization connector
C. both the ways mentioned above
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
22.

Which of these statements states Generalization connector?

A. a generalization connector is more like a link line between objects than an association line between classes
B. the generalization connector always indicates that two particular classes participate in the generalization relation, as a link line shows that two objects participate in a particular relation
C. never place a name, role names, or multiplicities on a generalization connector
D. all of the mentioned
Answer» E.
Discussion
23.

The DDD template consists of which of the following?

A. mid level design and low level design
B. mapping between models
C. detailed design rationale
D. all of the mentioned
Answer» E.
Discussion
24.

A design document is a complete engineering design specification composed of?

A. software architecture document(sad)
B. detailed design document(ddd)
C. all of the mentioned
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
25.

Mid-level design is the activity of specifying software at the level of medium-sized components such as?

A. compilation units or classes
B. their properties, relationship
C. interaction of units
D. all of the mentioned
Answer» E.
Discussion
26.

Detailed design is further classified into which of the following?

A. mid-level design
B. low-level design
C. all of the mentioned
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
27.

What are the ways in which artifacts can be deployed?

A. artifact symbol can be placed within node symbol
B. the artifact symbol can appear outside the node but be attached to it by dependency arrow from the artifact
C. artifact name can be listed inside the node symbol
D. all of the mentioned
Answer» E.
Discussion
28.

What is true about the artifacts?

A. an artifact is a physical entity
B. an artifact has spatio temporal location
C. all of the mentioned
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
29.

Which of these is correct?

A. artifacts instances and types have same names
B. artifact names and instances are underlines
C. all of the mentioned
D. none of the mentioned
Answer» B. artifact names and instances are underlines
Discussion
30.

Which of the following is incorrect in deployment diagram?

A. communication connections between nodes are shown by communication paths
B. communication paths are represented by dotted lines
C. artifacts are deployed inside nodes where they reside and execute
D. none of the mentioned
Answer» C. artifacts are deployed inside nodes where they reside and execute
Discussion
31.

What does a deployment diagram consists of?

A. computational resource
B. communication path between resource
C. artifacts that execute resource
D. all of the mentioned
Answer» E.
Discussion
32.

Which are the ways to represent nodes in a deployment diagram?

A. nodes instances are underlined identifiers of the form name:type
B. the name may be left off,indicating an unnamed instance of the type
C. the type may be left off, indicating a named instance with an unspecified type
D. all of the mentioned
Answer» E.
Discussion
33.

Which among these are the common notations for deployment diagrams?

A. artifacts and nodes
B. stereotypes
C. components
D. all of the mentioned
Answer» B. stereotypes
Discussion
34.

Which of the following is true ?

A. a logical architecture is the realization of product as code and data files residing and executing on computational resource
B. a physical architecture is the configuration of product’s major constituents
C. all of the mentioned
D. none of the mentioned
Answer» E.
Discussion
35.

Which of these are diagrammatic heuristics?

A. use notes, constraints, properties and stereotypes to add information to uml models
B. use stereotypes to name dependencies
C. use packages to group elements in static models
D. all of the mentioned
Answer» E.
Discussion
36.

What is delegation connector?

A. a delegation connector ties a component interface to one or more internal classes or components
B. delegation connectors are solid arrows stereotyped <>
C. a delegation connector may also extend from an internal class to an external interface
D. all of the mentioned
Answer» E.
Discussion
37.

Which of these is true with respect to interfaces?

A. interfaces in component diagram defines relationship between components and environment
B. interfaces realized by a class or a component are required interfaces
C. interface on which a class or component depends are called provided interfaces
D. all of the mentioned
Answer» B. interfaces realized by a class or a component are required interfaces
Discussion
38.

What types of units does Component follow?

A. modular unit
B. replaceable unit
C. unit with well defined interface
D. all of the mentioned
Answer» E.
Discussion
39.

Which of the following in incorrect in reference to dependency?

A. module d uses module i when a correct version of i must be present for d to work correctly
B. module d depends for compilation on module i
C. class i imports elements from package d
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
40.

Which of these depicts the true definition for the UML extensions?

A. a constraint is the statement that must be true of the entities designated by one or more model elements
B. a property is a characteristic of the entity designated by a model element
C. a stereotype is a uml model element given more specific meaning
D. all of the mentioned
Answer» E.
Discussion
41.

What is collection of model elements called?

A. box
B. dependency
C. uml packages
D. package members
Answer» E.
Discussion
42.

Which among the following are not the valid notations for package and component diagram?

A. notes
B. box
C. extension mechanisms
D. packages
Answer» C. extension mechanisms
Discussion
43.

Which of these are part of class operation specification format ?

A. name
B. parameter list
C. return-type list
D. all of the mentioned
Answer» E.
Discussion
44.

What should be mentioned as attributes for conceptual modelling ?

A. initial values
B. names
C. all of the mentioned
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
45.

An attribute is a data item held by which of the following ?

A. class
B. object
C. all of the mentioned
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
46.

A class is divided into which of these compartments ?

A. name compartment
B. attribute compartment
C. operation compartment
D. all of the mentioned
Answer» E.
Discussion
47.

What Does a Composite name consists of in a UML Class and object diagram ?

A. delimiter
B. simple names
C. digits
D. all of the mentioned
Answer» E.
Discussion
48.

What does a simple name in UML Class and objects consists of ?

A. letters
B. digits
C. punctuation characters
D. all of the mentioned
Answer» E.
Discussion