JBJ TECHNOLOGIES Interview Questions and Answers

Q1. Provide 3d view for given 2d views
Ans. 
To provide a 3D view for given 2D views, you can use software like AutoCAD or SolidWorks to create a 3D model based on the 2D drawings.
• Use software like AutoCAD or SolidWorks to convert 2D views into a 3D model

• Identify key dimensions and features from the 2D views to accurately create the 3D model

• Consider perspective, scale, and proportions when creating the 3D view
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Q2. Draw sfd and bfd
Ans. 
SFD and BFD are diagrams used in software engineering to visualize the flow of data and control in a system.
• SFD (System Flow Diagram) shows the flow of data between different components in a system.

• BFD (Block Flow Diagram) shows the flow of control between different components in a system.

• Both diagrams help in understanding the overall structure and behavior of a system.

• Examples: SFD can show how user input flows throu...read more
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Q3. What is stress and strain
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Stress is the force applied to a material, while strain is the resulting deformation or change in shape.
• Stress is the external force acting on an object, measured in units of force per unit area

• Strain is the measure of deformation or change in shape of a material due to stress

• Stress and strain are related by the material's modulus of elasticity, which determines how much a material will deform under stress

• Example: When...read more
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Mathematics, logical reasoning

C/C++, device driver, Networking, objectives

Q1. Based on your resume
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Coding related to Arrays and String

Q1. Explain your project?
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30 question of c code snippet 5 question of aptitude and 2 coding question

Q1. Storage class in c
Ans. 
Storage classes in C define the scope and lifetime of variables.
• There are 4 storage classes in C: auto, register, static, and extern.

• Auto variables are stored in memory and have local scope.

• Register variables are stored in CPU registers for faster access.

• Static variables retain their value between function calls.

• Extern variables are declared outside of any function and can be accessed by other files.
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Q2. Mutex and semaphore
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Q1. Technical knowledge
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Q2. Past Experience
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Technical Knowledge about field