Cs604 Mcq
QCS604 Operating Systems
MCQz solved, by
Miss Kazmi. http://vustudents.ning.com Bounded Buffer is a buffer of ____________ size Variable Fixed P/41
___________ is also called Swapper. Long term Short term Medium term Swap space Shared libraries and kernel modules are stored in _____________ directory. /bin /dev /boot /lib P/23 P/34
__________ displays information about the top processes. Is Cs Top Cd Cooperating processes never share any data, code, memory or state. True False P/2 , 41, 97 P/64
Miss Kazmi http://vustudents.ning.com 1
First _______ entries in Per Process File Descriptor Table are used as soon as the process is created. 1 2 3 4 When process opens its first file e xplicitly it will get descriptor number _________ 1 2 3 4 Taking the CPU from one process and giving the CPU to another process is termed as Context Switching Dispatching Swapping Tracking __________ scheduler selects the process from the job pool and put them in main memory. Long term Short term Medium term Swapper P/33 P/31 Google
1. Linux OS can support multiple users at a time a) b) True False
2. The Operating system is a layer of software b etween _________ and ___________. a) hardware, software application P/1
Miss Kazmi http://vustudents.ning.com 2
b) c) d)
Kernel, hardware Dos, Windows Windows, Kernel
3. The major advantage of multi -programming system is a) b) c) d) More than one jobs can be processed at a giv en time CPU utilization can be increased Jobs can be completed quickly All of the options are correct P/7
4. The main characteristic of a Real time system is a) b) c) d) Efficiency Large Virtual Memory Large secondary storage device Usability P/6
5. Command-line interpreter is also called __________ in some operating systems. a) b) c) d) Kernel Shell Signal API P/13
6. I/O instructions are Privileged Instructions. a) b) True False P/8
7. In Linux directory structure, there is ___________ root directory. a) b) c) d) 1
MCQz solved, by
Miss Kazmi. http://vustudents.ning.com Bounded Buffer is a buffer of ____________ size Variable Fixed P/41
___________ is also called Swapper. Long term Short term Medium term Swap space Shared libraries and kernel modules are stored in _____________ directory. /bin /dev /boot /lib P/23 P/34
__________ displays information about the top processes. Is Cs Top Cd Cooperating processes never share any data, code, memory or state. True False P/2 , 41, 97 P/64
Miss Kazmi http://vustudents.ning.com 1
First _______ entries in Per Process File Descriptor Table are used as soon as the process is created. 1 2 3 4 When process opens its first file e xplicitly it will get descriptor number _________ 1 2 3 4 Taking the CPU from one process and giving the CPU to another process is termed as Context Switching Dispatching Swapping Tracking __________ scheduler selects the process from the job pool and put them in main memory. Long term Short term Medium term Swapper P/33 P/31 Google
1. Linux OS can support multiple users at a time a) b) True False
2. The Operating system is a layer of software b etween _________ and ___________. a) hardware, software application P/1
Miss Kazmi http://vustudents.ning.com 2
b) c) d)
Kernel, hardware Dos, Windows Windows, Kernel
3. The major advantage of multi -programming system is a) b) c) d) More than one jobs can be processed at a giv en time CPU utilization can be increased Jobs can be completed quickly All of the options are correct P/7
4. The main characteristic of a Real time system is a) b) c) d) Efficiency Large Virtual Memory Large secondary storage device Usability P/6
5. Command-line interpreter is also called __________ in some operating systems. a) b) c) d) Kernel Shell Signal API P/13
6. I/O instructions are Privileged Instructions. a) b) True False P/8
7. In Linux directory structure, there is ___________ root directory. a) b) c) d) 1