Glide Technology Interview Questions and Answers

Including reasoning and relationship

Virtual round with a specific topic

Basic level of coding

Q1. C programming memory structure
Ans. 
C programming memory structure involves stack, heap, data, and code segments.
• Stack: Used for local variables and function call management.

• Heap: Used for dynamic memory allocation.

• Data: Contains global and static variables.

• Code: Contains the program's executable code.
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Q2. Storage class in c
Ans. 
Storage classes in C define the scope and lifetime of variables.
• There are four storage classes in C: auto, register, static, and extern.

• Auto variables are stored in the stack 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 in one file and can be accessed in another file.
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Q1. Mainly focused on basics of c language Stack program
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Q2. Compilation stages , function
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Q1. Describe your project
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Q2. Code snippets of c programming
Ans. 
Code snippets of c programming
• Use #include to include header files

• Use int main() to start the program

• Use printf() to print output

• Use scanf() to take input

• Use if-else statements for conditional execution

• Use loops like for, while, do-while for repetitive tasks

• Use arrays to store multiple values of same data type

• Use pointers to manipulate memory addresses

• Use structures to group related data

• Use functions to modularize code
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Q3. What is isr routine in c programming
Ans. 
ISR routine is a function that is executed in response to an interrupt signal.
• ISR stands for Interrupt Service Routine

• It is used to handle hardware interrupts

• ISR routines are written in C language

• They are executed when an interrupt signal is received

• ISR routines should be short and efficient

• They should not block other interrupts

• Examples of ISR routines include handling keyboard input or timer interrupts
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Q1. Why do you want to work for Wipro
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