Network Systems And Services: Quiz!
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- 1.Which of the following services is NOT provided by the Operating System?
- A.
Program Execution
- B.
Web Services
- C.
Access to I/O devices
- D.
Controlled Access to files
- 2.Which of the following descriptions about the kernel of the Operating System is FALSE?
- A.
It is also called the Nucleus
- B.
It is part of the operating system in main memory
- C.
It includes system utilities
- D.
It contains the most frequently-used functions
- 3.Multiprogramming is about:
- A.
Allowing more than one program to be executed at the same time
- B.
Designing and developing more than one program at the same time
- C.
Debugging more than one program at the same time
- D.
Managing more than one PC at the same time
- 4.Which two major developments in hardware made multiprogramming possible?
- A.
Memory protection
- B.
Larger Disks
- C.
Better compilers
- D.
More precise timers
- 5.Which of the following description of a process is FALSE:
- A.
A program in execution
- B.
An instance of a program running on a computer
- C.
The execution of the scheduler or other parts of the operating system
- D.
A unit of activity characterized by a single sequential thread of execution, a current state, and an associated set of system resources
- 6.Which of the following is not achieved using memory management?
- A.
Synchronization between processes
- B.
Automatic allocation and management of memory
- C.
Protection and access control
- D.
Process isolation
- 7.Virtual Memory is used to:
- A.
To extend the amount of physical memory that is being used
- B.
To improve the performance of the disk
- C.
To run programs which are much larger than the size of the physical memory on the machine
- D.
To allow machines to communicate over the network
- 8.Paging is NOT used to:
- A.
Allow only the parts of the program that are needed at that time to be in main memory
- B.
Increase the efficiency of main memory
- C.
Increase multiprogramming
- D.
Increase the speed of program execution
- 9.A memory management unit or MMU is used to:
- A.
Manage the physical memory of the machine
- B.
Manage the translation between vertical and physical addresses
- C.
Manage the interface between main memory and the disk
- D.
Manage the interface between the processor and main memory
- 10.Which of the following should NOT be part of a microkernel?
- A.
Address space management
- B.
Interprocess Communication
- C.
File System Services
- D.
Basic scheduling
- 11.A thread may be defined as:
- A.
A dispatch-able unit of work
- B.
A process that has finished execution
- C.
A process with interrupts disabled
- D.
A fast I/O device
- 12.A multi-threaded process:
- A.
Accesses I/O devices directly
- B.
Controls the L2 cache
- C.
Allows many threads to be executed in its address space
- D.
Can modify the system scheduler
- 13.A distributed operating system can be described as an OS where:
- A.
A separate copy of the OS must be run on a machine with only a one processor
- B.
A separate copy of the OS must be run on a machine with symmetric processors
- C.
Different parts of the OS are distributed to several applications running on the same machine
- D.
Different parts of the OS are distributed to several machines and are run at the same time
- 14.Which operating system environment can be described as a multi-layered sandwich?
- A.
Windows NT/2000/XP
- B.
VxWorks
- C.
Unix
- D.
Solaris
- 15.Which operating system environment can be described as a multi-layered onion?
- A.
Window NT/2000/XP
- B.
VxWorks
- C.
Unix
- D.
Nucleus
Questions: 12 | Attempts: 28455 | Last updated: Mar 22, 2022
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