Infogain Interview Questions and Answers

Hardware selection depends on system requirements, vendor reputation, and cost.

• Identify system requirements and ensure hardware compatibility

• Research vendor reputation and reliability

• Consider cost and budget constraints

• Evaluate vendor support and maintenance options

• Compare hardware specifications and features

• Consider future scalability and upgrade options

Microprocessor is a CPU on a single chip while Micro-controller is a CPU with integrated memory and peripherals.

• Microprocessor is used in general-purpose computing while Micro-controller is used in embedded systems.

• Microprocessor requires external memory and peripherals while Micro-controller has them integrated.

• Examples of Microprocessors are Intel Pentium, AMD Ryzen while examples of Micro-controllers are Arduino, Raspberry Pi.

• Microprocessors are more powerful and expensive...read more

GPOS is a general-purpose operating system while RTOS is a real-time operating system.

• GPOS is designed to handle a wide range of applications while RTOS is designed to handle time-critical applications.

• GPOS has a higher latency and lower determinism compared to RTOS.

• RTOS has a smaller footprint and faster response time compared to GPOS.

• Examples of GPOS include Windows, Linux, and macOS while examples of RTOS include FreeRTOS, VxWorks, and QNX.

Bootup sequence is the process of starting up a computer system.

• Power on self-test (POST) is performed

• BIOS is loaded and executed

• Bootloader is loaded and executed

• Operating system kernel is loaded and executed

• Device drivers are loaded and initialized

• User login prompt is displayed

I2C is a serial communication protocol used to connect multiple devices with two wires.

• I2C stands for Inter-Integrated Circuit

• It uses two wires - SDA (Serial Data) and SCL (Serial Clock)

• It supports multiple devices on the same bus using unique addresses

• It operates in master-slave mode where the master initiates the communication

• It uses ACK/NACK signals to confirm successful data transmission

Print 1 to n using recursion

• Define a recursive function that takes n as input

• Base case: if n is 1, print 1 and return

• Recursive case: call the function with n-1 and print n