Introduction to Computing MCQs with Answers
Practice important Introduction to Computing MCQs with answers and explanations.
Chapter: 138
Q1961:
What is a key advantage of using the object-oriented programming paradigm for software development?
A. Objects form self-contained units with defined interfaces
B. Objects are not reusable in different programs
C. Objects have undefined interfaces with their environments
D. Objects do not support inheritance
Correct Answer:
A
Chapter: 138
Q1962:
Which programming languages are associated with prefabricated templates for object-oriented programming?
A. C++, Java, and C#
B. C++, Python, and JavaScript
C. C#, Ruby, and Swift
D. Java, Python, and JavaScript
Correct Answer:
A
Chapter: 138
Q1963:
What is the role of a component assembler in component-based software engineering?
A. To construct software systems from prefabricated components
B. To write low-level code for components
C. To design new programming languages
D. To handle internal component modifications
Correct Answer:
A
Chapter: 138
Q1964:
What is a key property of a well-designed software component?
A. It can be extended without internal modifications
B. It can only be used once
C. It requires extensive customization for each application
D. It is not reusable in different environments
Correct Answer:
A
Chapter: 138
Q1965:
In component-based software engineering, what replaces the traditional role of a programmer?
A. A component assembler
B. A software developer
C. A system architect
D. A code reviewer
Correct Answer:
A
Chapter: 138
Q1966:
How do smartphone applications benefit from component architectures?
A. Applications consist of collaborating components for discrete functions
B. Applications are designed as monolithic blocks
C. Applications are hardcoded for specific functions
D. Applications cannot integrate with other system components
Correct Answer:
A
Chapter: 138
Q1967:
What is an example of a component found in smartphone applications?
A. A display screen component
B. Service component for accessing memory card
C. Component for playing music
D. All of the above
Correct Answer:
D
Chapter: 138
Q1968:
What is one advantage of component architectures in smartphone systems?
A. It allows integration between different applications
B. It limits the number of applications on the device
C. It reduces the performance of the smartphone
D. It prevents the use of external resources
Correct Answer:
A
Chapter: 138
Q1969:
Fill in the blank: In component-based software engineering, components are typically displayed as ________ in a graphical interface.
A. Icons
B. Texts
C. Buttons
D. Menus
Correct Answer:
A
Chapter: 138
Q1970:
Fill in the blank: A well-designed software component should be able to be ________ to fit the needs of a specific application.
A. Extended
B. Rewritten
C. Redesigned
D. Deleted
Correct Answer:
A
Chapter: 138
Q1971:
Fill in the blank: In a smartphone application, each display screen is usually represented by a separate ________.
A. Component
B. Function
C. Module
D. Class
Correct Answer:
A
Chapter: 138
Q1972:
Fill in the blank: Component architectures in smartphones help in integrating features such as displaying a friend’s picture from ________ on the phone’s screen.
A. The contacts application
B. The telephony application
C. The settings application
D. The messaging application
Correct Answer:
A
Chapter: 139
Q1973:
What is a design pattern in software engineering?
A. A pre-developed model for solving a recurring problem
B. A new programming language
C. A type of software bug
D. An interface for hardware components
Correct Answer:
A
Chapter: 139
Q1974:
Which design pattern is used to adapt a prefabricated module's interface to an application?
A. Adapter pattern
B. Observer pattern
C. Decorator pattern
D. Singleton pattern
Correct Answer:
A
Chapter: 139
Q1975:
What problem does the Decorator pattern solve?
A. Implementing different combinations of activities
B. Managing multiple databases
C. Handling network failures
D. Designing user interfaces
Correct Answer:
A
Chapter: 139
Q1976:
Which principle is important in the development of design patterns?
A. Minimizing coupling
B. Maximizing redundancy
C. Minimizing functionality
D. Maximizing dependencies
Correct Answer:
A
Chapter: 139
Q1977:
In software development, what do many of the templates in the Java and .NET toolkits represent?
A. Design pattern skeletons
B. Custom algorithms
C. Programming languages
D. Database schemas
Correct Answer:
A
Chapter: 139
Q1978:
Which field originally inspired the concept of design patterns in software engineering?
A. Traditional architecture
B. Astronomy
C. Biology
D. Chemistry
Correct Answer:
A
Chapter: 139
Q1979:
What is the primary function of the Adapter pattern?
A. Wrapping a module to translate interfaces
B. Executing background processes
C. Creating graphical interfaces
D. Managing memory allocation
Correct Answer:
A
Chapter: 139
Q1980:
What is the benefit of using design patterns in software engineering?
A. Providing ready-made, high-quality solutions
B. Increasing software complexity
C. Reducing the number of code comments
D. Minimizing software testing
Correct Answer:
A