ERA's Lucknow Medical College & Hospital Computer Operator and Clerk Interview Questions and Answers

Q1. What programming languages are you proficient in?
Ans. 
I am proficient in programming languages such as Java, Python, and SQL.
• Java

• Python

• SQL
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Q2. What is the definition of an operating system?
Ans. 
An operating system is a software that manages computer hardware and provides services for computer programs.
• Manages computer hardware resources such as memory, CPU, and storage

• Provides a user interface for interacting with the computer

• Supports running applications and managing processes

• Examples include Windows, macOS, Linux, and Android
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Q3. What is the Software Development Life Cycle (SDLC)?
Ans. 
SDLC is a process used by software development teams to design, develop, and test high-quality software.
• SDLC is a structured process that divides software development into distinct phases.

• Common phases include planning, analysis, design, implementation, testing, and maintenance.

• Each phase has specific goals and deliverables to ensure the quality and success of the software.

• Examples of SDLC models include Waterfall, Agi
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Q4. What is an array in programming?
Ans. 
An array in programming is a data structure that stores a collection of elements of the same type in a contiguous block of memory.
• Arrays are used to store multiple values under a single variable name.

• Elements in an array are accessed by their index, starting from 0.

• Example: string[] names = {"Alice", "Bob", "Charlie"};
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Q5. What is an interface in programming?
Ans. 
An interface in programming defines a set of methods that a class must implement.
• An interface acts as a contract between a class and the outside world.

• It specifies what methods a class must have, but does not provide the implementation.

• Classes can implement multiple interfaces in Java.

• Example: 'Runnable' interface in Java requires implementing the 'run' method.
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