KPMG India Interview Questions and Answers

The blind man can divide the coins by randomly selecting coins and checking if they are heads or tails.

• The blind man can start by randomly selecting a coin and checking if it is a head or a tail.

• If the selected coin is a head, he can put it in one side and decrease the count of heads remaining.

• If the selected coin is a tail, he can put it in the other side and decrease the count of tails remaining.

• He can continue this process until he has divided the coins equally or until he...read more

Different types of joins are Inner Join, Left Join, Right Join, and Full Outer Join.

• Inner Join returns only the matching rows from both tables

• Left Join returns all the rows from the left table and matching rows from the right table

• Right Join returns all the rows from the right table and matching rows from the left table

• Full Outer Join returns all the rows from both tables, with NULL values in the columns where there is no match

A process is a program in execution. It is executed in OS by allocating resources and managing its execution.

• A process is a unit of work that can be scheduled and executed by the OS

• It is created by a parent process and has its own memory space and resources

• The OS manages the execution of processes by allocating resources such as CPU time and memory

• Processes can communicate with each other through inter-process communication mechanisms

• Examples of processes include web browsers...read more

Preventing deadlock by implementing a resource allocation strategy

• Implement a resource allocation strategy to ensure resources are not locked by multiple processes

• Use timeouts to prevent processes from waiting indefinitely for resources

• Implement a process termination strategy to release resources held by terminated processes

• Use a deadlock detection algorithm to identify and resolve deadlocks

• Ensure that processes request resources in a consistent order to prevent circular wait

strcpy function copies a string from source to destination

• The function is defined in string.h header file

• The syntax of the function is: char *strcpy(char *destination, const char *source)

• The function returns the pointer to the destination string

• The function copies the null character also from source to destination

• The destination string must have enough space to hold the source string

ACID properties ensure database transactions are reliable and consistent.

• ACID stands for Atomicity, Consistency, Isolation, and Durability.

• Atomicity ensures that a transaction is treated as a single, indivisible unit of work.

• Consistency ensures that a transaction brings the database from one valid state to another.

• Isolation ensures that concurrent transactions do not interfere with each other.

• Durability ensures that once a transaction is committed, it will remain committed ev...read more