Computer Operator and Programming Assistant Interview Questions and Answers

A computer is an electronic device that processes data and performs tasks according to a set of instructions.

• A computer is made up of hardware components such as a central processing unit (CPU), memory, and storage devices.

• It operates using software programs that provide instructions for the computer to execute.

• Computers can perform various tasks such as calculations, data processing, communication, and multimedia.

• Examples of computers include desktops, laptops, tablets, and ...read more

Loops are used to execute a set of instructions repeatedly. Operators are symbols used to perform operations on variables.

• Loops are used to iterate over a block of code until a certain condition is met.

• Operators are used to perform arithmetic, comparison, logical, and assignment operations.

• Examples of operators include +, -, *, /, ==, !=, &&, ||, and =.

There are four types of OOP concepts: Abstraction, Encapsulation, Inheritance, and Polymorphism.

• Abstraction: Hiding implementation details and showing only functionality.

• Encapsulation: Wrapping data and code together into a single unit.

• Inheritance: Creating new classes from existing ones.

• Polymorphism: Using a single interface to represent multiple entities.

Programming language is a set of instructions used to create software applications and programs.

• Programming languages are used to write code that computers can understand and execute.

• There are many programming languages such as Java, Python, C++, and JavaScript.

• Each programming language has its own syntax and rules for writing code.

• Programmers use programming languages to create software applications, websites, and games.

• Learning a programming language requires practice and u...read more