6. Which one of the following is not true? a. kernel remains in the memory during the entire computer session. b. kernel is made of various modules which cannot be loaded in running operating system. c. kernel is the first part of the operating system to load into memory during booting. d. kernel is the program that constitutes the central core of the operating system 7. Which one of the following errors will be handle by the operating system? a. Lack of paper in printer. b. Connection failure in the network. c. Power failure. d. All of the mentioned. 2 8. Where is the operating system placed in the memory? a. Ether low or high memory (depending on the location of interrupt vector). b. In the low memory. c. In the high memory. d. None of the mentioned