What is class? what is an operating system? what do you know about the OSI model? what is difference between compilers and interpreters? what do you know about SDLC?

Question

Accepted Answer

A class is a blueprint for creating objects in object-oriented programming.

A class defines the properties and behaviors of an object.
It serves as a template for creating multiple instances of objects.
Objects are instances of a class.
Classes can have attributes (variables) and methods (functions).

Accepted Answer

1.What is class?

ans. A class is a blueprint for the object.

2.what is an operating system ?

ans. An operating system is a program that acts as an interface between the user and the computer hardware and controls the execution of all kinds of programs.

3. what do you know about the OSI model?

ans. The OSI Model (Open Systems Interconnection Model) is a conceptual framework used to describe the functions of a networking system. The OSI model characterizes computing functions into a universal set of rules and requirements in order to support interoperability between different products and software

. there is 7 layers of OSI model

. it is created by ISO - international organization of standarzation by IBM .

1. physical layer

2. data link layer

3.network layer

4.transport layer

5.session layer

6.presenation layer

7.application layer

4.what is difference between compilers and interpreters?

.Compilers:-A compiler is a special program that translates a programming language's source code into machine code.

.The source code is typically written in a high-level, human-readable language such as Java or C++.

.Interpreters:-one. It is a computer program used for converting high-level program statements into machine codes.

.It includes pre-compiled code, source code, and scripts.

. An interpreter translates only one statement at a time of the program.

(5). what do you know about SDLC phase.

.SDLC is stands for software development life cycle.

.A system development life cycle or SDLC is essentially a project management model .

It defines different stages that are necessary to bring a project from its initial idea or conception all the way to deployment and later maintenance.

.SDLC has 7 phase:-

Planning Stage
Feasibility or Requirements of Analysis Stage
Design and Prototyping Stage
Software Development Stage
Software Testing Stage
Implementation and Integration
Maintenance Stage

Accepted Answer

1.What is class?

ans. A class is a blueprint for the object.

2.what is an operating system ?

ans. An operating system is a program that acts as an interface between the user and the computer hardware and controls the execution of all kinds of programs.

3. what do you know about the OSI model?

ans. The OSI Model (Open Systems Interconnection Model) is a conceptual framework used to describe the functions of a networking system. The OSI model characterizes computing functions into a universal set of rules and requirements in order to support interoperability between different products and software

. there is 7 layers of OSI model

. it is created by ISO - international organization of standarzation by IBM .

1. physical layer

2. data link layer

3.network layer

4.transport layer

5.session layer

6.presenation layer

7.application layer

4.what is difference between compilers and interpreters?

.Compilers:-A compiler is a special program that translates a programming language's source code into machine code.

.The source code is typically written in a high-level, human-readable language such as Java or C++.

.Interpreters:-one. It is a computer program used for converting high-level program statements into machine codes.

.It includes pre-compiled code, source code, and scripts.

. An interpreter translates only one statement at a time of the program.

(5). what do you know about SDLC phase.

.SDLC is stands for software development life cycle.

.A system development life cycle or SDLC is essentially a project management model .

It defines different stages that are necessary to bring a project from its initial idea or conception all the way to deployment and later maintenance.

.SDLC has 7 phase:-

Planning Stage
Feasibility or Requirements of Analysis Stage
Design and Prototyping Stage
Software Development Stage
Software Testing Stage
Implementation and Integration
Maintenance Stage

What is class? what is an operating system? what do you know about the OSI model? what is difference between compilers and interpreters? what do you know about SDLC?

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