Q1: Which of the following command is not present in DOS?
- a) cls
- b) cd
- c) format
- d) sum
Q2: The core of operating system is
- a) command.com
- b) kernel
- c) Microsoft
- d) all
Q3: Which of the following is used in operating system to separate mechanism from policy?
- a) single level implementation
- b) double level implementation
- c) multi-level implementation
- d) all
Q4: Which of the following is not valid file system?
- a) FAT 16
- b) FAT 32
- c) FAT 64
- d) NTFS
Q5: If more than one program is to be executed, which type of software should be there in computer?
- a) multitasking
- b) multiple keyboard
- c) virtual memory
- d) translator
