Basic Operating System MCQ
Basic Operating System MCQ
221. For multithreading
- Tasks to be performed an be independent
- Task to be performed is essentially serialized.
- Tasks cannot be divided into number of threads
- None is true
222. The prinicipal function of a process is
- To execute machine instructions residing in main memory
- To execute assembly instructions residing outside main memory
- A and B both true
- A and B both false
223. The trace of the process is
- A set of instructions that execute process
- A listing of sequence of instructions that execute process
- A track of network
- None of these
224. The two state process models have the following states
- Running and not Running
- Running and Ready
- Ready and Blocked
- New and Ready
225. The process control blocks are referred for
- Process control
- I/O devices
- Memory allocation
- None of these
226. Given the switch processes, when they occur match them
(1) Clock Interrupt A- The processor encounters a virtual memory address reference for a word that is not in the main memory
(2) I/O interrupt B-the operating system determines whether the currently running process thas been executed for the maximum allowable time slice
(3) Memory fault (C)- The opeating system determines the I/O action that occurs
(1) Clock Interrupt A- The processor encounters a virtual memory address reference for a word that is not in the main memory
(2) I/O interrupt B-the operating system determines whether the currently running process thas been executed for the maximum allowable time slice
(3) Memory fault (C)- The opeating system determines the I/O action that occurs
- 1-A,2-B,3-C
- 1-B, 2-C, 3-A
- 1--B, 2-A,3-C
- 1-C, 2-B, 3-A
227. With trap in process control
- Operating system determines the error or exception condition that is fatal.
- Operating system interrupted for maximum allowable time.
- Are tables that manage information process
- None of these
228. Process control block is also referred as
- Fast control block
- Process descriptor
- Task descriptor
- A, B, C are all true
229. 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
230. Windows XP is
- Uni-Programming processes
- Multi Programming process
- Hardware
- None of these