C

• What is difference between Structure and Union ?
• What is bit field in C ? What is the benefit of using it ?
• What is structure padding ? How to avoid it ?
• What is the size of void ?
• What is Data alignment ?

OS

• What is the difference between Thread and Process ?
• Differentiate between mutexes vs semaphores.

RTOS

• What is a real-time operating system ?

Networking

• What is the difference between TCP and UDP?
• Which protocol should be used in Video streaming ? TCP or UDP ?

Core Embedded

• What is the difference between Von-neuman and Harvard Architecture ?
• What is the significance of volatile keyword in c ?
• What is an embedded system ?
• What is a Firmware ?
• What are device drivers?
• What is the boot-loader and startup code in embedded system?

Bus Protocols

• Difference between UART and RS-232?
• SPI versus I2C protocols