1. A …………….. is a single execution path, with an execution stack, processor state and scheduling information.
A) Thread
B) SMP
C) Micro-kernels
D) Process
2. A ……………… is a small operating system core that provides the foundation for modular extensions.
A) Thread
B) SMP
C) Micro-kernels
D) Process
3. The philosophy underlying the ………… is that only absolutely essential core operating system functions should be in the kernel.
A) Thread
B) SMP
C) Micro-kernel
D) Process
4. Which of the following are the advantages for the use of micro-kernels
i) Uniform interfaces ii) Extensibility iii) Flexibility iv) Portability v) Reliability
A) i, ii, iii and iv
B) ii, iii, iv and v
C) i, ii, iv and v
D) All i, ii, iii, iv and v
5. ……………. allows the addition of new services as well as the provision of multiple services in the same functional area.
A) Thread
B) SMP
C) Micro-kernel
D) Process
6. Which of the following is/are the micro-kernel operations that can support external paging and virtual memory management.
A) Grant
B) Map
C) Flush
D) All of the above
7. In micro-kernel operation ……………. is a process that can reclaim any pages that were granted or mapped to other processes.
A) Grant
B) Map
C) Manage
D) Flush
8. In micro-kernel operation ……………… is a process that can map any of its pages into address space of another process, so that both processes have access to the pages.
A) Grant
B) Map
C) Manage
D) Flush
9. Modular design in micro-kernel helps to enhance ……………….. even greater gains can be achieved with a micro-kernel architecture.
A) Extensibility
B) Flexibility
C) Portability
D) Reliability
10. A ……………… operating system must provide all the functionality of multi-programming system plus additional features to accommodate multiple processors.
A) Multiprocessor
B) Uniprocessor
C) Multi Programming
D) Multi-Functional
11. With a ……………… architecture, the operating system kernel always runs on a particular processor where the other processors may only execute user programs and perhaps operating system utilities.
A) master/slave
B) symmetric multiprocessor
C) cluster
D) SIMD
12. In a …………………, the kernel can execute on any processor, and typically each processor does self-scheduling from the pool of available processes or threads.
A) master/slave
B) symmetric multiprocessor
C) cluster
D) SIMD
13. In master/slave architecture, the ……………… can become a performance bottleneck, because it alone must do all scheduling and process management.
A) master
B) slave
C) both
D) none
14. If the processors each have dedicated memory, communication among the computers is either via fixed paths or via some network facility, such system is known as ……………….
A) master/slave
B) symmetric multiprocessor
C) cluster
D) SIMD
15. In the architecture of a parallel processor system, a set of processors simultaneously execute different instruction sequences on different data sets.
A) SISD
B) SIMD
C) MISD
D) MIMD
16. Within ………………. architecture of parallel processor systems, single machine instruction controls the simultaneous execution of the number of processing elements in lockstep basis.
A) SISD
B) SIMD
C) MISD
D) MIMD
17. In …………… the micro-kernel has to control the hardware concept of address space to make it possible to implement protection at the process level
A) Low-level memory management
B) Interprocess communication
C) I/O
D) Interrupt management
18. In ……………… message includes a header that identifies the sending an receiving process and a body that contains direct data.
A) Low-level memory management
B) Interprocess communication
C) I/O
D) Interrupt management
19. With a ………………. architecture, it is possible to handle hardware interrupts as messages and to include I/O parts in address spaces.
A) Thread
B) SMP
C) Micro-kernel
D) Process
20. A ……………. is an entity corresponding to a user job or application that owns resources such as memory and open files.
A) Thread
B) SMP
C) Micro-kernel
D) Process
Answers
1. A) Thread
2. C) Micro-kernels
3. C) Micro-kernel
4. D) All i, ii, iii, iv and v
5. C) Micro-kernel
6. D) All of the above
7. D) Flush
8. B) Map
9. D) Reliability
10. A) Multiprocessor
11. A) master/slave
12. B) symmetric multiprocessor
13. A) master
14. C) cluster
15. D) MIMD
16. B) SIMD
17. A) Low-level memory management
18. B) Interprocess communication
19. C) Micro-kernel
20. D) Process
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