Csir Ceeri Interview Questions and Answers

SPI (Serial Peripheral Interface) protocol is a synchronous serial communication protocol commonly used in embedded systems.

• SPI protocol is used for communication between microcontrollers and peripheral devices.

• It uses four pins - MISO (Master In Slave Out), MOSI (Master Out Slave In), SCK (Serial Clock), and SS (Slave Select).

• The number of pins required for SPI protocol is typically 4, but can vary depending on the sp...read more

Call by value passes a copy of the actual parameter, while call by reference passes the address of the actual parameter.

• Call by value: actual parameter values are copied into formal parameters. Changes made to formal parameters do not affect actual parameters.

• Call by reference: actual parameter addresses are passed into formal parameters. Changes made to formal parameters affect actual parameters.

• Example: Call by value...read more

C code to print values between 1 to 5000

• Use a for loop to iterate from 1 to 5000

• Inside the loop, print each value