Basic Operating System MCQ
Basic Operating System MCQ
51. A thread is a __________ process .
- Heavy Weight
- Mutliprocess
- Inter Thread
- Light wieght
52. Data reside in file on disk under DOS environment, which of the following file name is invalid ?
- OSCONCEPTS.doc
- RAW
- COMPAQ.BOOK
- JUMPSTART.BOS
53. In Priority Scheduling a priority number (integer) is associated with each process. The CPU is allocated to the process with the highest priority (smallest integer = highest priority). The problem of, Starvation ? low priority processes may never execute, is resolved by __________.
- Terminating the process.
- Aging
- Mutual Exclusion
- Semaphore
54. CPU Scheduling is the basis of _________ operating system
- Batch
- Real time
- Multiprogramming
- Monoprogramming
55. A major problem with priority scheduling is _________.
- Definite blocking
- Starvation
- Low priority
- None of the above
56. ________ scheduler selects the jobs from the pool of jobs and loads into the ready queue.
- Long term
- Short term
- Medium term
- None of the above
57. Which directory implementation is used in most Operating System?
- Single level directory structure
- Two level directory structure
- Tree directory structure
- Acyclic directory structure
58. Saving the state of the old process and loading the saved state of the new process is called ________.
- Context Switch
- State
- Multi programming
- None of the above
59. The term " Operating System " means ________.
- A set of programs which controls computer working
- The way a computer operator works
- Conversion of high-level language in to machine level language
- The way a floppy disk drive operates
60. Resource locking ________.
- Allows multiple tasks to simultaneously use resource
- Forces only one task to use any resource at any time
- Can easily cause a dead lock condition
- Is not used for disk drives