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 CS604 Quiz3 Operating System

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Join date : 2011-06-17
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PostSubject: CS604 Quiz3 Operating System   Tue Jul 19, 2011 10:17 am

CS604 Quiz Operating System

Question No: 1
I MB or 1 megabyte is equivalent to----

1024 bytes
10242 bytes (may be this)
10243 bytes
1000000 bytes


Question No: 2
The bottom layer in the layered approach of Operating System is-----------

Hardware
User interface
Hardware
Kernel
None of the given options

Question No: 3
------------has a hierarchical file system structure.

DOS
Windows
UNIX
None of the given options

Question No: 4
You can use the ---------command in UNIX to create a directory.

rmdir
mkdir
cp
gcc

Question No: 5
Files that start with a -------- in UNIX/Linux directory structure are known as hidden files .

. (dot)
# ( hash )
/ (slash)
~ (tilt)

Question No: 6
The creating process is called a--------------- process while the new processes are called the -------------- of that process

None of the given options
Children, parent
Parent, children
Zombie, single

Question No: 7
------------buffer places no practical limit on the size of the buffer

Bounded
Unbounded
Both Unbounded & bounded
None of the given options

Question No: 8
The ------------ are used for communication between related or unrelated processes on the same system or unrelated processes on different systems.

Pipes
BSD Sockets
Named pipe (FIFO)
None of the given options

Question No: 9 ( Marks: 1 ) - Please choose one
A ---------------is an abstract key for accessing a file.

File descriptor
Input Redirection
Output Redirection
FIFO

Question No: 10
-------- command gives a snapshot of the current processes.

ps
top
who
ls


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