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COP 4610 Midterm questions with 100% correct answers
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COP 4610 Midterm questions with 100% correct answers
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COP 4610 MidtermA _____ provides a file-system interface which allows clients to create and modify files. - correct answer
✔✔file-server system
The most common secondary storage device is ____. - correct answer ✔✔magnetic disk
A ____ can be used to prevent a user program from never returning control to the operating system.
Answer - correct answer ✔✔timer
____ operating systems are designed primarily to maximize resource utilization. - correct answer
✔✔Mainframe
Which of the following statements concerning open source operating systems is true? - correct answer
✔✔Source code is freely available.
A dual-core system requires each core has its own cache memory. - correct answer ✔✔False
A system call is triggered by hardware. - correct answer ✔✔False
Interrupts may be triggered by either hardware of software. - correct answer ✔✔True
Virtually all modern operating systems provide support for SMP. - correct answer ✔✔True
Embedded computers typically run on a ____ operating system. - correct answer ✔✔real-time
Which of the following would lead you to believe that a given system is an SMP-type system? - correct
answer ✔✔Each processor performs all tasks within the operating system.
,Flash memory is slower than DRAM but needs no power to retain its contents. - correct answer ✔✔True
A ____ is a custom build of the Linux operating system - correct answer ✔✔distribution
In what way is an operating system like a government? - correct answer ✔✔It creates an environment
within which other programs can do useful work.
Which of the following operating systems is not open source? - correct answer ✔✔Windows XP
Which of the following is a property of peer-to-peer systems? - correct answer ✔✔Clients and servers
are not distinguished from one another.
Processors for most handheld devices run at a fraction of the speed of a processor in a PC. - correct
answer ✔✔True
The operating system kernel consists of all system and application programs in a computer. - correct
answer ✔✔False
A microkernel is a kernel ____. - correct answer ✔✔that is stripped of all nonessential components
Policy ____. - correct answer ✔✔determines what will be done
To the SYSGEN program of an operating system, the least useful piece of information is _____. - correct
answer ✔✔what applications to install
If a program terminates abnormally, a dump of memory may be examined by a ____ to determine the
cause of the problem. - correct answer ✔✔debugger
A message-passing model is ____. - correct answer ✔✔easier to implement than a shared memory
model for intercomputer communication
, The close() system call in UNIX is used to close a file. What is the equivalent system call in Windows: -
correct answer ✔✔CloseHandle()
System calls can be run in either user mode or kernel mode. - correct answer ✔✔False
An initial bootstrap program is in the form of random-access memory (RAM). - correct answer ✔✔False
KDE and GNOME desktops are available under open-source licenses. - correct answer ✔✔True
In general, Windows system calls have longer, more descriptive names and UNIX system calls use shorter,
less descriptive names. - correct answer ✔✔True
_____ is not an example of a benefit of virtual machines. - correct answer ✔✔Uses less physical memory
than an actual operating system
A _____ is an example of a systems program. - correct answer ✔✔File management - Status Information
- File modification - programming language support - Program loading and execution - communication
In a virtual machine, each program believes that it has ____. - correct answer ✔✔its own memory
A program written for the .NET Framework need not worry about the specifics of the hardware or the
operating system on which it will run. - correct answer ✔✔True
Many operating systems merge I/O devices and files into a combined file because of the similarity of
system call each - correct answer ✔✔True
Bluetooth and 802.11 devices use wireless technology to communicate over several feet, in essence
creating a ____. - correct answer ✔✔small-area network
Two important design issues for cache memory are ____. - correct answer ✔✔size and replacement
policy
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