Marelli Operation Incharge Interview Questions and Answers

Function pointers in C are pointers that point to functions instead of data.

• Function pointers are used to pass functions as arguments to other functions.

• They can be used to implement callbacks and event handlers.

• Syntax: return_type (*ptr_name)(parameters);

• Example: int (*funcPtr)(int, int);

DCM module in BSW is responsible for managing diagnostic communication between the vehicle and external diagnostic tools.

• DCM stands for Diagnostic Communication Manager

• It handles communication protocols such as UDS, KWP2000, and OBD

• DCM manages diagnostic sessions, communication parameters, and diagnostic trouble codes

• It provides APIs for diagnostic services like reading and clearing DTCs

• Example: DCM module in BSW facil...read more

Various t-codes are used in SAP MM module for different purposes.

• MM01 - Create Material Master

• MM02 - Change Material Master

• MM03 - Display Material Master

• ME21N - Create Purchase Order

• ME22N - Change Purchase Order

• ME23N - Display Purchase Order

• MIGO - Goods Movement

• MIRO - Invoice Verification

• MB51 - Material Document List

• ME2N - Purchase Orders by PO Number

• ME2M - Purchase Orders by Material

• ME2L - Purchase Orders by Vendor

• ME2