Basic Operating System MCQ
Basic Operating System MCQ
331. Process control block is also referred as
- Fast control block
- Process descriptor
- Task descriptor
- A, B, C are all true.
332. The operating system control tables maintain process tables, because
- These tables manages I/O devices
- These tables manages files
- These tables manages memory
- None of these
333. Window XP is
- Uni-prgramming processes
- Muti programming processes
- Single process
- None of these
334. In shared memory multi processor
- Computer communicate to each other by fixed paths
- Computer communicates to each other via a shared memory
- Each processing element is a self contained computer
- None of these
335. The following is not true for master/slave architecture
- A failure of master brings down the whole system
- Operating system kernel runs on master processor only.
- Operating system kernel can run on any processor either master or slave.
- al scheduling andprocess management is done on master processor.
336. In monoithic operating system
- Virtually any proedure can call any other procedure.
- Virtually specific procedure can call any other procedure.
- Virtually specific procedure can call specific procedure
- None of these
337. In layered operating system following statement is false
- Most or all the layers execute in kernel mode.
- Interaction only takes place between adjacent layers
- Functions are organized hierachically.
- None of these
338. When operating system always run on a particular processor and that particular processor do all scheduling and process management then this is an example of
- Master/slave architecture
- Symmetric multiprocessor
- Cluster
- None of these.
339. In Micro kernel architecture following is false.
- Intersection takes place only between adjacent layers
- Intersection takes place via micro kernel.
- It supports portability
- It supports object-oriented operating system.
340. In the following processes: a =a+1; b=2 x b:b = b+1; a = 2 x a; the output is
- a >b
- a < b
- a = b
- None of these