61⟩ Explain the reasons for process suspension?
☛ Swapping
☛ Interactive user request
☛ Timing
☛ Parent process request
Operating System (OS)
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“Operating System (OS) Interview Questions and Answers will guide every kind of job seeker because computer is the basic need for any organization so every one must have so of the basic idea of computer and the Operating System is the soul of computer. So this guide is for every one who want to know the basics of Operating System called as OS.”
74 Operating System (OS) Questions And Answers
62⟩ Explain migration process?
It is the transfer of sufficient amount of the state of process from one machine to the target machine.
63⟩ Explain mutant in Operating System (OS)?
In Windows NT a mutant provides kernel mode or user mode mutual exclusion with the notion of ownership.
64⟩ Tell me what has triggered the need for multitasking in PCs?
☛ Increased speed and memory capacity of microprocessors together with the support fir virtual memory
☛ Growth of client server computing
65⟩ Explain an idle thread?
The special thread a dispatcher will execute when no ready thread is found.
66⟩ Explain FtDisk in Operating System (OS)?
It is a fault tolerance disk driver for Windows NT.
67⟩ List the possible threads a thread can have?
☛ Ready
☛ Standby
☛ Running
☛ Waiting
☛ Transition
☛ Terminated
68⟩ What is drawback of MVT?
It does not have the features like:
☛ Ability to support multiple processors
☛ Virtual storage
☛ Source level debugging
69⟩ Tell me What are the rings in Windows NT?
Windows NT uses protection mechanism called rings provides by the process to implement separation between the user mode and kernel mode.
70⟩ On what level of security does Windows NT meets?
C2 level security.
71⟩ Tell me What is executive in Windows NT?
In Windows NT, executive refers to the operating system code that runs in kernel mode.
72⟩ Explain DDks?
DDks are device driver kits, which are equivalent to SDKs for writing device drivers. Windows NT includes DDks.
73⟩ List the sub-components of I/O manager in Windows NT?
☛ Network re-director/ Server
☛ Cache manager.
☛ File systems
☛ Network driver
☛ Device driver
74⟩ What are the reasons for process termination?
☛ Normal completion
☛ Time limit exceeded
☛ Memory unavailable
☛ Bounds violation
☛ Protection error
☛ Arithmetic error
☛ Time overrun
☛ I/O failure
☛ Invalid instruction
☛ Privileged instruction
☛ Data misuse
☛ Operator or OS intervention
☛ Parent termination.
