30+ Computer Engineer Interview Questions and Answers

I know multiple programming languages including Java, Python, C++, and JavaScript.

• Proficient in Java and Python

• Familiar with C++ and JavaScript

• Experience with SQL and HTML/CSS

• Continuously learning and expanding knowledge

• Able to adapt to new languages quickly

Overloading is having multiple methods with the same name but different parameters. Overriding is having a method in child class with the same name and signature as in parent class.

• Overloading is compile-time polymorphism while overriding is runtime polymorphism.

• Overloading is done in the same class while overriding is done in different classes.

• Overloading is used to provide different implementations of the same method while overriding is used to provide a specific implementa...read more

Object is an instance of a class that has its own set of properties and methods. A class is a blueprint for creating objects.

• An object is a real-world entity with its own set of attributes and behaviors.

• A class is a template or blueprint for creating objects.

• Objects are created from classes using the 'new' keyword.

• Classes can have properties (variables) and methods (functions).

• Inheritance allows classes to inherit properties and methods from parent classes.

• Polymorphism allows...read more

Developing programming thought for projects involves understanding requirements, planning, breaking down tasks, and iterative development.

• Understand the project requirements thoroughly

• Break down the project into smaller tasks

• Plan the overall structure and architecture

• Identify the necessary programming languages and tools

• Consider potential challenges and constraints

• Iteratively develop and test the code

• Document the code and maintain good coding practices

I regularly use programming languages such as Java, Python, and C++ in my work as a Computer Engineer.

• Java

• Python

• C++

Header files contain function declarations and definitions. Data type defines the type of data a variable can hold.

• Header files are used to declare functions that are defined in other files.

• Data types include int, float, char, etc.

• Variables can only hold data of the same data type.

Java is a high-level programming language used for developing applications and software.

• Java is object-oriented and platform-independent.

• It is used for developing desktop, web, and mobile applications.

• Java is widely used in enterprise applications, such as banking and finance.

• It is also used in developing Android applications.

• Java is known for its security features and robustness.

There are 5 normalization forms in database design.

• 1. First Normal Form (1NF) - Eliminate repeating groups and ensure each field contains only atomic values.

• 2. Second Normal Form (2NF) - Meet 1NF requirements and all non-key attributes are fully functional dependent on the primary key.

• 3. Third Normal Form (3NF) - Meet 2NF requirements and eliminate transitive dependencies.

• 4. Boyce-Codd Normal Form (BCNF) - Meet 3NF requirements and every determinant is a candidate key.

• 5. Four...read more

The SQL command to interpret a table is SELECT * FROM table_name;

• Use the SELECT statement to retrieve data from a table

• The * symbol selects all columns from the table

• Replace 'table_name' with the actual name of the table

Union and intersection are set operations used in mathematics and computer science.

• Union combines two sets and removes duplicates

• Intersection returns the common elements between two sets

• Example of union: {1,2,3} union {3,4,5} = {1,2,3,4,5}

• Example of intersection: {1,2,3} intersection {3,4,5} = {3}

The role of Development of Tcg is to design and create software solutions for the Trusted Computing Group.

• Designing and implementing software solutions for the Trusted Computing Group

• Developing secure and trusted computing technologies

• Collaborating with cross-functional teams to ensure compatibility and interoperability

• Testing and debugging software to ensure functionality and reliability

• Contributing to the advancement of trusted computing standards and protocols

Regression testing is the process of retesting a software application to ensure that new code changes have not adversely affected existing features.

• Regression testing is performed after code changes to verify that the existing functionality still works correctly.

• Types of regression testing include functional regression testing, unit regression testing, and performance regression testing.

• Functional regression testing focuses on testing the functionality of the software after c...read more

Java is a popular programming language used for developing applications, websites, and games.

• Java is used for developing Android apps

• It is used for creating web applications and server-side technologies

• Java is used for developing desktop applications and games

• It is also used for creating enterprise-level applications and software

• Java is known for its platform independence and security features

Trigger is a database object that executes automatically in response to certain events. Cursor is a database object used to manipulate data.

• Triggers are used to maintain data integrity and consistency.

• Triggers can be used to audit changes made to the database.

• Cursors are used to iterate through a set of rows returned by a query.

• Cursors can be used to update or delete rows in a table.

• Triggers and cursors are commonly used in database programming.

Interfaces in computer engineering are used to define a contract for classes to implement, allowing for polymorphism and loose coupling.

• Interfaces define a set of methods that a class must implement.

• They allow for polymorphism, where objects of different classes can be treated as objects of the same interface.

• Interfaces promote loose coupling between classes, making code more modular and easier to maintain.

• Examples of interfaces in programming languages include Java interface...read more

Encapsulation is the process of hiding implementation details and exposing only necessary information.

• Encapsulation helps in achieving data abstraction and information hiding.

• It allows for better control over data and prevents unauthorized access.

• An example of encapsulation is a class in object-oriented programming, where the data members are private and can only be accessed through public methods.

To make a new design, start with identifying the problem, gather requirements, brainstorm ideas, create prototypes, and test them.

• Identify the problem or need for the design

• Gather requirements from stakeholders and users

• Brainstorm ideas and create sketches or diagrams

• Create prototypes using software or physical materials

• Test the prototypes and gather feedback for improvements

Car designing involves a combination of creativity, engineering, and technology.

• Start with a concept or idea for the car's design

• Use computer-aided design (CAD) software to create 3D models

• Consider factors such as aerodynamics, safety, and functionality

• Collaborate with a team of engineers, designers, and manufacturers

• Prototype and test the design before finalizing it

C is a high-level programming language used for system programming and developing portable software.

• C was developed by Dennis Ritchie at Bell Labs in 1972.

• It is a compiled language and is known for its efficiency and low-level memory access.

• C is used for developing operating systems, device drivers, embedded systems, and other system software.

• Examples of software written in C include the Linux kernel, MySQL, and the Python interpreter.

• C has influenced many other programming l...read more

Inheritance is a mechanism in object-oriented programming where a new class is created by inheriting properties of an existing class.

• Inheritance allows for code reuse and promotes code organization.

• The existing class is called the parent or superclass, while the new class is called the child or subclass.

• The child class inherits all the properties and methods of the parent class, and can also add its own unique properties and methods.

• For example, a class Animal can be the pare...read more

Normalization is the process of organizing data in a database to reduce redundancy and improve data integrity.

• Normalization helps in reducing data redundancy by organizing data into multiple tables.

• It improves data integrity by ensuring that each piece of data is stored in only one place.

• There are 3 main forms of normalization: 1NF, 2NF, and 3NF.

I choose Java for its platform independence, strong community support, and extensive libraries.

• Platform independence allows Java code to run on any device with a JVM

• Strong community support means access to resources, forums, and updates

• Extensive libraries provide pre-written code for common tasks, saving time and effort

IOT stands for Internet of Things. It refers to the network of physical devices, vehicles, appliances, and other objects embedded with sensors, software, and connectivity to exchange data.

• IOT is a system of interconnected devices that can communicate and share data over the internet.

• It enables devices to collect and exchange data, making them smarter and more efficient.

• Examples of IOT include smart home devices, wearable fitness trackers, industrial sensors, and autonomous ve...read more

Use a set to remove duplicates from a string.

• Create a set to store unique characters.

• Iterate through the string and add each character to the set.

• Convert the set back to a string to get the result.

C++ is an extension of C with object-oriented programming features.

• C++ supports classes and objects while C does not.

• C++ has better support for function overloading and templates.

• C++ has a more complex syntax compared to C.

• C++ is used for developing complex applications like games and operating systems.

• C is used for developing system-level software like operating systems and device drivers.

RAM stands for Random Access Memory, a type of computer memory that can be accessed randomly; it is volatile and temporary.

• RAM is a type of computer memory that stores data and machine code currently being used by the CPU.

• It is volatile, meaning it loses its contents when the power is turned off.

• RAM is faster to read from and write to than other types of storage like hard drives.

• Examples of RAM include DDR4, DDR3, and LPDDR4.

SATA cable is a type of cable used to connect storage devices like hard drives to a computer's motherboard.

• SATA stands for Serial Advanced Technology Attachment

• It is used to transfer data between storage devices and the computer

• SATA cables have a smaller and more efficient design compared to older IDE cables

• Commonly used in connecting hard drives, solid state drives, and optical drives

YOLO (You Only Look Once) is a real-time object detection system that uses a single neural network to predict bounding boxes and class probabilities.

• YOLO is a popular object detection algorithm in computer vision.

• It divides the input image into a grid and predicts bounding boxes and class probabilities for each grid cell.

• YOLO can detect multiple objects in a single pass and is faster than other object detection methods.

• It achieves real-time performance by sacrificing some acc...read more