Gram Power Embedded Software Developer Interview Questions and Answers

Q1. Basic Question on Embedded, memory management, Stack/RAM, Variable types, Keywords such as const, volatile
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Q2. Timer and Interrupt.
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Q3. 8 bit vs 16 bit, power management in MCU
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8 bit vs 16 bit MCUs have different power management capabilities.
• 8 bit MCUs are generally more power efficient than 16 bit MCUs.

• 16 bit MCUs have more processing power and can handle more complex tasks.

• Power management techniques like sleep modes and clock gating can be used to conserve power in both types of MCUs.

• Choosing the right MCU depends on the specific requirements of the project.

• For example, an 8 bit MCU might...read more
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Q4. Things to consider while selecting a MCU
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MCU selection depends on factors like performance, power consumption, peripherals, cost, and development tools.
• Consider the required performance and processing power for the application

• Evaluate power consumption requirements and available power sources

• Check for required peripherals and interfaces

• Consider the cost of the MCU and development tools

• Evaluate the availability and quality of development tools and support

• Examp
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Bare metal code for 4 button input with 1 variable without delay and could differentiate between actual and spurious touch.

Q1. Discussion on previous assignment
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