Interview Questions Answers in C, Web Design

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Question { 971 }

What is the purpose of #pragma directives in C?

Answer

#pragma provides compiler-specific instructions.
Example:
#pragma pack(1) // Forces 1-byte alignment for structures
struct Example {
char a;
int b;
};

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Question { 937 }

How does memset() work in C?

Answer

memset() initializes memory to a specific value.

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Question { 999 }

What is the difference between exit() and _exit()?

Answer

• exit(): Cleans up resources (e.g., flushes buffers).
• _exit(): Terminates the program immediately without cleanup

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Question { 916 }

What are dynamically linked and statically linked libraries?

Answer

• Static linking: Combines library code into the final executable.
• Dynamic linking: Links libraries at runtime.

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Question { 1098 }

How does the assert() function work?

Answer

assert() checks a condition at runtime. If false, it terminates the program.

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Question { 1032 }

What is the purpose of the fflush() function in C?

Answer

fflush() clears the output/input buffer.vv

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Question { 1048 }

What is the difference between fork() and vfork()?

Answer

• fork(): Creates a child process with a separate memory space.
• vfork(): Shares the memory space with the parent until exec() or _exit() is called.

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Question { 967 }

What are signals in C?

Answer

Signals are software interrupts used to notify a process of an event.

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Question { 1571 }

What is the difference between UI and UX design?

Answer

UI (User Interface) focuses on the look and feel of a product, such as layout, colors, and typography. UX (User Experience) is about the overall experience a user has while interacting with the product, including usability, functionality, and accessibility.

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Question { 1242 }

Why is UX important in product design?

Answer

Good UX improves user satisfaction, reduces friction, enhances engagement, and ensures users achieve their goals effectively. It can also reduce customer support costs and boost product adoption.

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Question { 1242 }

Why is UX important in product design?

Answer

Good UX improves user satisfaction, reduces friction, enhances engagement, and ensures users achieve their goals effectively. It can also reduce customer support costs and boost product adoption.

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Question { 1242 }

Why is UX important in product design?

Answer

Good UX improves user satisfaction, reduces friction, enhances engagement, and ensures users achieve their goals effectively. It can also reduce customer support costs and boost product adoption.

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Question { 1242 }

Why is UX important in product design?

Answer

Good UX improves user satisfaction, reduces friction, enhances engagement, and ensures users achieve their goals effectively. It can also reduce customer support costs and boost product adoption.

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Question { 1017 }

What are the key principles of UI design?

Answer

• Consistency: Ensure design elements remain uniform.
• Clarity: Avoid confusion and make navigation intuitive.
• Feedback: Provide users with responses to their actions.
• Accessibility: Design for all users, including those with disabilities.
• Flexibility: Adapt designs for different screen sizes and resolutions.

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Question { 1013 }

How do you approach designing for different devices (responsive design)?

Answer

I follow a mobile-first approach, ensuring the design works on smaller screens and then scaling up for larger screens. I use flexible grids, scalable assets, and test across devices to ensure consistency.

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