OPSYS MST Quiz

1. 1Which statements describes a process that is currently in the ready state?

   1. AThe process is currently using the CPU at that instant
   2. BThe process is runnable, but is waiting in a queue
   3. CThe process is unable to run until some external event happens
   4. DThe process no longer has an entry in the process table
2. 2Which statements describes a process that is currently in the running state?

   1. AThe process is currently using the CPU at that instant
   2. BThe process is runnable, but is waiting in a queue
   3. CThe process is unable to run until some external event happens
   4. DThe process no longer has an entry in the process table
3. 3Which statements describes a process that is currently in the waiting state?

   1. AThe process no longer has an entry in the process table
   2. BThe process is currently using the CPU at that instant
   3. CThe process is runnable, but is waiting in a queue
   4. DThe process is unable to run until some external event happens
4. 4Which statements describes a process that is currently in the termination state?

   1. AThe process is currently using the CPU at that instant
   2. BThe process is runnable, but is waiting in a queue
   3. CThe process is unable to run until some external event happens
   4. DThe process no longer has an entry in the process table
5. 5Which one of the following statements is NOT TRUE about a program?

   1. AA program is an application written by software programmer
   2. BPrograms are stored inside secondary storage such as a hard disk or cd-rom
   3. CA program uses up main memory and CPU time
   4. DA program consists of one or more files
6. 6Explain the term batch processing when applied to operating systems.

   1. AThe process of placing data in a temporary working area for another programs to process
   2. BIf refers to executing a series of non-interactive jobs one at a time until completion
   3. CWhen a job's assigned time slice comes to an end, the operating system suspends the job execution and another job starts running
   4. DIt is the method where multiple tasks are performed during the same time period
7. 7The part of the operating system that manages the RAM space is called the

   1. AProcess manager
   2. BMemory manager
   3. CFiles and secondary storage manager
   4. DI/O device manager
   5. EUser interface manager
8. 8The part of the operating system that manages the modem, video card and printer is called the

   1. AProcess manager
   2. BMemory manager
   3. CFiles and secondary storage manager
   4. DI/O device manager
   5. EUser interface manager
9. 9The part of the operating system that manages the processes and scheduling in CPU is called the

   1. AProcess manager
   2. BMemory manager
   3. CFiles and secondary storage manager
   4. DI/O device manager
   5. EUser interface manager
10. 10The part of the operating system that manages the hard disk and cd-rom is called the

    1. AProcess manager
    2. BMemory manager
    3. CFiles and secondary storage manager
    4. DI/O device manager
    5. EUser interface manager

11. 11A CPU is currently executing 2 processes. The CPU utilization rate is 40%. Assuming that each process takes 2 time units to complete, how long does it take to complete both processes assuming an equal time-share of the CPU?

    1. A2 time units
    2. B4 time units
    3. C10 time units
    4. D20 time units
12. 12A process that is terminated due to anticipated missing file in Linux is known as

    1. ANormal exit (voluntary)
    2. BError exit (voluntary)
    3. CFatal error (involuntary)
    4. DKilled by another process (involuntary)
13. 13Which statement below DOES NOT describe a computer process?

    1. AA process is a sequence of instructions stored in secondary storage for the computer to follow.
    2. BA process is a program in execution.
    3. CA process is an instance of a running program.
    4. D A process consists of machine instructions, data area, stack and the machine registers it is using.
14. 14The entries in a Process Control Block (PCB) does not include

    1. AProcess management
    2. BMemory management
    3. CFile management
    4. DI/O management
15. 15If you kill the parent process, you will also kill the child process.

    1. ARichtig
    2. BFalsch
16. 16If you kill the child process, you will also kill the parent process.

    1. ARichtig
    2. BFalsch
17. 17Which is NOT true about multi-tasking processes with a single CPU?

    1. AA single processor (CPU) may be shared with several processes
    2. BMultiple programs are running at the same time
    3. CCPU switches back-and-forth from process to process (very fast)
18. 18Which is true for cooperative multi-tasking?

    1. AProcess works through timeslot until request to release or continue
    2. BEach process is give a timeslot, when time is up, process switches. However if important task is required, process still switches.
19. 19Which is true for preemptive multi-tasking?

    1. AProcess works through timeslot until request to release or continue
    2. BEach process is give a timeslot, when time is up, process switches. However if important task is required, process still switches.
20. 20A minicomputer is a __________ generation computer system.

    1. AFirst
    2. BSecond
    3. CThird
    4. DFourth
21. 21Comparing the four computer systems below, which is the one that has been first used and deployed as earliest computer generation?

    1. AMainframe
    2. BIBM PC
    3. CApple I
    4. DMicrosoft PC
22. 22A Microsoft XBox and a Sony Playstation 2 is considered as what type of computer system?

    1. APC
    2. BServer
    3. CA game console
23. 23The interface between the user and the applications is the

    1. AAPI
    2. BUI
    3. CGUI & API
    4. DOS
24. 24Which of the following devices below is not an input device?

    1. APrinter
    2. BMouse
    3. CMonitor
    4. DKeyboard
25. 25Which key(s) does the bash shell use to speed typing of commands and filename by filling or suggesting possible choices?

    1. ACtrl+D
    2. BCtrl+N
    3. CTAB
    4. DCtrl+Z
26. 26Which of the following command lines would redirect the file content of /etc/hosts into the file /tmp/hosts.txt?

    1. Acat /etc/hosts > /tmp/hosts.txt
    2. Bgedit /tmp/hosts.txt
    3. Ccp /etc/hosts /tmp/hosts.txt
27. 27Using the information provided below, which of the following commands could blondie use to view the contents of the file spam?
    
    [blondie@station blondie]$ pwd
    /home/blondie
    [blondie@station blondie]$ ls
    Mail README
    [blondie@station blondie]$ ls Mail
    received sent spam

    1. Atouch /home/blondie/Mail/spam
    2. Bcp /home/blondie/Mail/spam
    3. Ctype spam
    4. Dtype Mail/spam
    5. Ecat spam
    6. Fgedit ./spam
28. 28Which of the following is the default Red Hat Enterprise Linux shell?

    1. A/
    2. B/bin/bash
    3. C/etc/host
    4. D/temp
29. 29Which of the following can be used to view the info page on the find command?

    1. Ainfo find
    2. Bpinfo find
    3. Cyelp (The GNOME help browser)
    4. DAll of the answers
30. 30Which of the following control sequences suspends the foreground process?

    1. ACTRL-Z
    2. BCTRL-C
    3. CCTRL-D
    4. DCTRL-Q
31. 31If you typed "cat -A /etc/services", What is the role of "-A"?

    1. AThe command
    2. BAn argument to the command
    3. CA command line switch
    4. DAn argument to a command line switch
32. 32Which of the following commands lists users currently logged onto a Linux system?

    1. Awho
    2. Blogin
    3. Clogon
    4. Duser
33. 33The part of the operating system that manages the printer, network card and modem is called the __________.

    1. AProcess manager.
    2. BMemory manager.
    3. CFiles and storage manager.
    4. DI/O device manager.
34. 34Which of the following statements below is NOT correct?

    1. AAn operating system manages all the hardware devices of the computer system.
    2. BAn operating system provides users and programs with a simpler interface to the hardware.
    3. CAn operating system manages the client databases and SQL requests.
    4. DAn operating system is a resource manager and decides which program gets to use the resource.
35. 35The part of the operating system that manages the hard disk is called the __________.

    1. AProcess manager.
    2. BMemory manager.
    3. CFiles and secondary storage manager.
    4. DI/O device manager.
36. 36Linux is a __________ operating system.

    1. ASingle-user, single-tasking.
    2. BMulti-user, single-tasking.
    3. CMulti-user, multi-tasking.
    4. DSingle-user, multi-tasking.
37. 37Name the two interfaces that a firmware programmer will be using for his work.

    1. AUser interface and Application Programming Interface.
    2. BUser interface and Device Driver Interface.
    3. CHardware interface and device driver interface.
    4. DApplication Programming Interface and Device Driver Interface.
38. 38An operating system controls all of the hardware.

    1. ARichtig
    2. BFalsch
39. 39The operating system gives you a user interface to control hardware

    1. ARichtig
    2. BFalsch
40. 40The operating system is another name for CPU

    1. ARichtig
    2. BFalsch
41. 41Apple is a user interface that the operating system can use

    1. ARichtig
    2. BFalsch
42. 42The operating system can't multi task

    1. ARichtig
    2. BFalsch
43. 43Samsung is an operating system

    1. ARichtig
    2. BFalsch
44. 44Apple is an operating system

    1. ARichtig
    2. BFalsch
45. 45Mac OS is an operating system

    1. ARichtig
    2. BFalsch
46. 46Operating managers control various things such as memory

    1. ARichtig
    2. BFalsch
47. 47Operating systems cant control output peripherals

    1. ARichtig
    2. BFalsch
48. 48The operating system can send files by itself

    1. ARichtig
    2. BFalsch
49. 49What are the 4 basic functions of a operating system?

    1. AHardware access
    2. BFile and Folder management
    3. CApplication Management
    4. DUser interface
    5. EGraphical
50. 50Which of the following commands could be used to create a empty newfile in /tmp?

    1. Atouch /newfile
    2. Btouch /tmp/newfile
    3. Ctouch ~/newfile
    4. Dtouch ../tmp/newfile
51. 51Which command creates a new, empty directory?

    1. Amd
    2. Bmkdir
    3. Ctouch -d
    4. Dnewdir
52. 52If /home/student is the home directory of student, then the command rm /home/student will

    1. Aremove all files in the directory
    2. Bdelete the directory from the filesystem
    3. Cdelete the student user account
    4. Dproduce an error message
53. 53/bin and /usr/bin contain the same files.

    1. ARichtig
    2. BFalsch
54. 54Configuration files that customize each user's account are placed in /etc/users

    1. ARichtig
    2. BFalsch
55. 55In which mode can the CPU execute only a subset of the instruction set and a subset of the features to be accessed?

    1. ASupervisor mode
    2. BUser mode
    3. CKernel mode
    4. DSystem mode
56. 56Which of the following technologies is least used as a bus for a personal computer today?

    1. APCI
    2. BISA
    3. CAGP
    4. DUSB
57. 57A ___________ runs in the kernal mode

    1. AUI
    2. BLibrary
    3. CSoftware Application
    4. DOS
58. 58Which of the following components in the memory hierarchy has the largest storage space or capacity?

    1. ARegisters
    2. BLevel 2 Cache
    3. CMain memory
    4. DHard disk
59. 59Which of the following companies do not make and sell central processing units (CPUs) for the desktop personal computers?

    1. AIntel
    2. BAdvanced Micro Devices (AMD)
    3. CSeagate Technologies
    4. DARM Holdings (ARM)
60. 60Which of the following statements is not true about a program?

    1. AA program is application written by software programmer and can be used by a normal user or a system administrator.
    2. BPrograms are stored inside secondary storage such as hard disk, cd-rom or a floppy disk.
    3. CA program uses up main memory and CPU time.
    4. DA program consists of one or more files.
61. 61Which of the following statements below is not true about a thread?

    1. AThreads are the entities scheduled for execution on the CPU.
    2. BOne or more processes run inside a thread.
    3. CThreads are mini-versions of processes and are sometimes called lightweight processes.
    4. DEach thread will have its own private items which are its program counter, it register contents, its stack and its state.
62. 62Which of the following statements most accurately describes a process that is currently in the ready state?

    1. AThe process is currently using the CPU at that instant.
    2. BThe process is runnable, but is waiting in a queue.
    3. CThe process is unable to run until some external event happens.
    4. DThe process no longer has an entry in the process table.
63. 63There are four users currently using a multi-user, multi-tasking operating system on a personal computer. User ChewKit has 3 processes running on the system, while users AhBeng, Muthu and Faridah have 4, 1 and 2 processes running respectively. If lottery scheduling is used with each user treated equally, and there are a total of 100 lottery tickets, what is the number of lottery tickets given to each user?

    1. AChewKit (25 tickets), AhBeng (25 tickets), Muthu (25 tickets), Faridah (25 tickets)
    2. BChewKit (30 tickets), AhBeng (40 tickets), Muthu (10 tickets), Faridah (20 tickets)
    3. CChewKit (20 tickets), AhBeng (10 tickets), Muthu (40 tickets), Faridah (30 tickets)
    4. DChewKit (100 tickets), AhBeng (0 tickets), Muthu (0 tickets), Faridah (0 tickets)
64. 64Which of the statements below is not true regarding scheduling in batch systems?

    1. AThe process scheduler in a batch system consists of four different components, i.e. the routing scheduler, the admission scheduler, the memory scheduler and the CPU scheduler.
    2. BThe admission scheduler decides which jobs to admit to the system.
    3. CThe memory scheduler determines which processes are kept in memory and which on the disk.
    4. DThe CPU scheduler picks on of the ready processes in the main memory to run next.
65. 65Use the output form the following command to answer the following question.
    
    [student@station grps]$ ls -l
    -rw-rw---- 1 ventura wrestle 2027 May 9 07:38 antics
    -rw------- 1 ventura ventura 126 May 9 07:40 donors
    -rw-rw-r-- 1 madonna madonna 138 May 9 07:38 playlist
    -rw-rw-r-- 1 ventura wrestle 29 May 9 07:38 slogans
    
    Which users on the system can modify the permissions on the file slogans?

    1. Amodonna
    2. Ball members of the group wrestle
    3. Cany valid user on the system
    4. Dall members of the group music
66. 66Which permission represents the octal notation 644?

    1. A-w--w-rw-
    2. B--x--x-wx
    3. Cr-xr--r--
    4. Drw-r--r--
67. 67Which best describes why the /etc/passwd must be readable by all users?

    1. ASo users can easily lookup forgotten passwords.
    2. BBecause the file contains passwords, it should not be world readable.
    3. CSo that processes can associate usernames with kernel provided userid owners of files, processes, and other resources.
    4. DSo that users may change their login shell, if they choose to do so.
68. 68Which invocation of the id command lists all group memberships by name?

    1. Aid -g
    2. Bid -gn
    3. Cid -G
    4. Did -Gn
69. 69Use the output of the following commands to answer the question below.
    
    [student@station student]$ tail /etc/passwd
    sleepy:x:507:507::/home/sleepy:/bin/bash
    grumpy:x:509:509::/home/grumpy:/bin/bash
    doc:x:510:510::/home/doc:/bin/bash
    ventura:x:511:511::/home/ventura:/bin/bash
    hogan:x:512:512::/home/hogan:/bin/bash
    pataki:x:513:513:/home/pataki:/bin/bash
    einstein:x:514:514::/home/einstein:/bin/bash
    maxwell:x:515:515::/home/maxwell:/bin/bash
    nero:x:516:516::/home/nero:/bin/bash
    julius:x:517:517::/home/julius:/bin/bash
    [student@station student]$ cat /etc/group
    ...
    wrestle:x:201:ventura,hogan,elvis
    physics:x:202:einstein,maxwell,elvis
    emperors:x:203:nero,julius,elvis
    governor:x:204:ventura,pataki
    music:x:205:elvis,blondie,prince,madonna
    dwarfs:x:206:sleepy,grumpy,doc
    ...
    hogan:x:512:
    pataki:x:513:
    einstein:x:514:
    maxwell:x:515:
    nero:x:516:
    julius:x:517:
    
    Which of the following groups is elvis not a member of?

    1. Aphysics
    2. Bwrestle
    3. Cmusic
    4. Ddwarfs
70. 70The configuration files that customize each user's account are placed in __________.

    1. A/etc/hosts
    2. B/bin/bash
    3. C/usr/bin
    4. D/etc/passwd
    5. E/usr
    6. F/etc/users
71. 71Which OS makes the user aware of other computers on a network?

    1. ATime-sharing OS
    2. BMulti-tasking OS
    3. CReal-time OS
    4. DNetwork OS
72. 72Which of the following systems is used in an intelligent home entertainment system that is network aware?

    1. ANetwork OS
    2. BReal-time OS
    3. CDistributed OS
    4. DEmbedded OS
73. 73What is the fifth generation of computer?

    1. Aminicomputers
    2. Bmobile computers
    3. Cpersonal computers
    4. Dultracomputers
    5. Emicrocomputers
    6. Fcalculator
74. 74Which control sequence is used to terminate a currently running process?

    1. ACrtl-C
    2. BCrtl-Z
    3. CCrtl-D
    4. DCrtl-S
    5. ECrtl-Q
    6. FCrtl+N
75. 75Which control sequence is used to suspend a program?

    1. ACrtl+Z
    2. BCrtl+C
    3. CCrtl+D
    4. DCrtl+Q
    5. ECrtl+S
    6. FCrtl+N
76. 76Which control sequence is used to activate a frozen screen?

    1. ACrtl+C
    2. BCrtl+S
    3. CCrtl+Q
    4. DCrtl+Z
    5. ECrtl+N
    6. FCrtl+D
77. 77Which control sequence is used to send an "End of Transmission" to a process?

    1. ACrtl+C
    2. BCrtl+D
    3. CCrtl+Z
    4. DCrtl+N
    5. ECrtl+Q
    6. FCrtl+S
78. 78Which control sequence is used to freeze a screen?

    1. ACrtl+C
    2. BCrtl+S
    3. CCrtl+Z
    4. DCrtl+Q
    5. ECrtl+D
    6. FCrtl+N
79. 79Which symbol is used to redirect the output?

    1. A>
    2. B$
    3. C#
    4. D.
    5. E..
    6. F=
    7. G/
80. 80Which file is used to store general user information?

    1. A/etc/passwd
    2. B/etc/shadow
    3. C/etc/hosts
    4. D/usr
81. 81Which file is used to store user's password information?

    1. A/etc/passwd
    2. B/etc/shadow
    3. C/usr
    4. D/etc/hosts
82. 82/etc/sysconfig/network is NOT used to specify information about the desired network configuration.

    1. ARichtig
    2. BFalsch
83. 83Which is the function of /etc/hosts?

    1. Ato map hostnames to IP address
    2. Bto show who logon to the system
    3. Cto show only the hostnames
84. 84/temp is a used to hold temporary files.

    1. ARichtig
    2. BFalsch
85. 85Windows CE has real time capabilities, so it is a Real-time OS.

    1. ARichtig
    2. BFalsch
86. 86MINIX is using Distributed Operating System.

    1. ARichtig
    2. BFalsch
87. 87Which of the following is supported by Windows 7 operating system? (Select all applicable)

    1. Abatch processing
    2. Bspooling
    3. Ctune slice operations
    4. Dmulti-tasking
88. 88Which of the following can be done by using Windows 7 operating system?

    1. ACMD line batch file
    2. Bsend queuing jobs to a printer
    3. Crun several GUI applications
    4. Drun multiple programs at the same time
    5. Erun multiple tasks at the same time
89. 89Select all that is related to 4th generation computer.

    1. AMinicomputers
    2. BPersonal Computers & Workstations
    3. CMulti-user & Multi-tasking
    4. DSingle-user & Multi-tasking
    5. EVacuum Tubes
    6. FTransistors
    7. GIntegrated Circuits
    8. HVery Large Scale Integration (VLSI)
    9. IBatch Processing Systems
    10. JMobile Computers
90. 90Which is used to display all processes running in the system?

    1. Aps
    2. Bps a
    3. Cps aux
    4. Dls -a
    5. Els -alh
91. 91_________ is used to console attached process.

    1. Aps
    2. Bps a
    3. Cps aux
    4. Dcat
    5. Egedit
92. 92Which of the following is used to give up the CPU to let another thread run?

    1. Athread_wait
    2. Bthread_yield
    3. Cthread_exit
    4. Dthread_create
93. 93A single processor system can have no processes in the ready queue.

    1. ARichtig
    2. BFalsch

Beschreibung

2015/16 Sem 1 SP2013-2016 - 2015/16 Sem 1 (OPSYS) Quiz am OPSYS MST Quiz, erstellt von Charlene Chang am 31/05/2015.

Autor

Charlene Chang

Sprache

English

Aufrufe

37

Schlagwörter

sp2013-2016 - 2015/16 sem 1opsys2015/16 sem 1

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