Embedded Systems Training in Hyderabad

An embedded system is a specialized computing system that performs dedicated functions within a larger mechanical or electrical system. It usually includes hardware and software, optimized for specific tasks, like control systems or smart devices.

A microcontroller integrates CPU, memory, and peripherals in a single chip, suitable for specific tasks. A microprocessor focuses on processing power and requires external memory and peripherals, ideal for general-purpose applications.

Interrupts temporarily halt the main program to address an immediate task, allowing the system to respond to time-sensitive events without constantly polling inputs.

RTOS is used in embedded systems to manage tasks with strict timing requirements, ensuring tasks execute predictably. It’s essential for applications like automotive controls and medical devices where timing is critical.

Volatile memory (e.g., RAM) loses data when power is off, used for temporary storage. Non-volatile memory (e.g., Flash) retains data without power, essential for permanent data storage.

Techniques include using low-power modes, optimizing code, using power-efficient components, and reducing the operating frequency to prolong battery life, especially in portable devices.

I2C (Inter-Integrated Circuit) is a protocol allowing communication between multiple peripherals using only two wires, SCL (clock) and SDA (data), ideal for simple device connections.

DMA allows peripherals to access memory without involving the CPU, freeing the CPU to perform other tasks, and improves data transfer efficiency.

A watchdog timer resets the system if it encounters issues or hangs, ensuring reliability and uptime, especially in mission-critical applications.

Tools include JTAG debuggers, oscilloscopes, logic analyzers, and software like GDB for debugging code, as well as simulators to identify and resolve issues in real-time.

These questions cover a mix of foundational knowledge, practical applications, and tools commonly used in embedded systems development, essential for an Embedded Systems Course in Hyderabad interview preparation.