My pc suddenly freezes and i can't open any apps or task manager. Apps do not open at all and if i restart from the start it gets stuck on restart forever. I have to force restart my pc a couple of times before it is back to normal. What is wrong?

George heard about the benefits of a data warehouse. he wants to try implementing one for his organization. however, he is afraid that transferring data to the data warehouse will affect transaction time. which element ensures that transactions are not affected when moving data to a warehouse? when data is transferred to a data warehouse, the a area frees the source system to continue transaction processing.