Operating System MCQ Solved Paper for FCI Recruitment

1. ______________is responsible for allocating primary memory to processes and for assisting the programmer in loading and storing the contents of the primary memory.
A. Operating system
B. Memory manager
C. Database administrator
D. RAM
Answer : B

2. To install the new font
A. Start -> setting -> font
B. Start -> control panel -> font -> install new font
C. Start -> setting -> control panel -> font -> install new font
D. Start -> setting -> control panel -> font
Answer : C

3. The _____________ are based on modification of the original message in some manner, or on creation of a false message.
A. Passive attack
B. Release of message content attack
C. Traffic analysis attack
D. Active attack
Answer : D

4. ______________ is a situation in which two computer programs sharing the same resource are effectively preventing each other from accessing the resource, resulting in both programs ceasing to function.
A. Semaphore
B. Deadlock
C. Mutual Exclusion
D. No preemption
Answer : B

5. Fsck conducts a check in _____ phases
A. One
B. Two
C. Five
D. Eight
Answer : C

6. Which of the following is drop down list?
A. Combo box
B. List
C. Text area
D. None
Answer : A

7. BSD stands for_____________________
A. Basic Software Division
B. Berkeley Software Distribution
C. British Software Distribution
D. Berkeley Software data
Answer : B

8. Which is the layer of a computer system between the hardware and the user program
A. Operating system
B. Operating environment
C. System environment
D. None
Answer : B

9. The maximum size of a write file is limited to only
A. Name of the file
B. Extension of the file
C. The amount of memory in your computer
D. All of above
Answer : C

10. Pick the wrong statement from the following.
A. UNIX systems originally came with a command interpreter called the Bourne Shell.
B. The cat command takes any characters from standard input, and then echoes them to standard output.
C. A pipe is a means of taking the output of one command and directing it as another command.
D. The manual entry is called a man page, even though it is often more than one page long.
Answer : C

11. Choose the correct statement from the following.
A. In computer terminology, variables are symbols which stand for some value.
B. An alternative method for executing the commands in the file backup is to make the file as directory.
C. The restricted shell gives more control to the system administrator and restricts the options of the user.
D. The decision making done by computer programs is in the form of conditional execution.
Answer : C

12. Recently deleted files are stored in
A. Taskbar
B. Desktop
C. My computer
D. Recycle bin
Answer : D

13. Initialization of I/O devices is part of the_________.
A. CPU
B. MSDOS
C. UNIX kernel
D. None of the above
Answer : C

14. Bootstrapping is also known as ______
A. cold-hot boot
B. hot boot
C. hot strap
D. cold boot
Answer : D

15. Objects location is found by _________________
A. Broadcasting
B. Encoding Location of objects within UID
C. Searching creator node first and then broadcasting
D. All A, B, C
Answer : D

16. A two-byte integer called ____________is interpreted as an index into an array of inodes in a fixed, known location on disk.
A. an inode
B. an inumber
C. an imap
D. an imark
Answer : B

17. A process is already split into pieces, called________________.
A. Tasks
B. Program
C. Processors
D. Routines
Answer : A

18. A bar that inform you the available options in your computer, opened applications, background running applications and can be used to switch between applications quickly is
A. Menu bar
B. Tool bar
C. Status bar
D. Task bar
Answer : D

19. SRM stands for
A. Security Resource Manager
B. Secret Resource Manager
C. Security Reference Monitor
D. Security Reference Manual
Answer : C

20. Process migration involves__________________
A. Selection of a process to be migrated
B. Selection of destination system or node
C. Actual transfer of the selected process to the destination system or node
D. All A, B, C
Answer : D

21. A _______________in a distributed system is a string of bits or characters that is used to refer to an entity.
A. name
B. attribute
C. identifiers
D. addresses
Answer : A

23. A solution to starvation is _____________.
A. segmentation
B. Aging
C. Paging
D. virtual memory
Answer : B

24. In case of ________________the server automatically copies files to other servers after the files are written.
A. Explicit replication
B. Implicit replication
C. Lazy file replication
D. Group file replication
Answer : C

25. ____________ file system allows sharing in multiple different locations grouped under one folder.
A. Direct
B. distributed
C. sequential
D. parallel
Answer : B

26. A process control block contains varies attributes required by _____________ to control a process.
A. RAM
B. virtual memory
C. BIOS
D. Operating System
Answer : D

27. _____________typically contains temporary data such as subroutine parameter, return address, and temporary variables.
A. Current value of Program Counter
B. Value of the variables
C. The process stack
D. A data section
Answer : C

28. Transparent RPC mechanism refers to :
A. Existance of multuple computer visible and a provide a single system image to its users.
B. It runs the program transparently.
C. It is a technique to shift the program to other computer.
D. It is technique in which local procedures and remote procedures are indistinguishable to programmers.
Answer : D

29. The ___ contains commands associated with the My Computer window
A. Start menu
B. Standard menu
C. System menu
D. None of the above
Answer : C

30. When resources have multiple instances ________ is used for deadlock Avoidance.
A. Bankers algorithm
B. Resource Allocation Graph
C. semaphores
D. all of these
Answer : A

31. One of the wonderful things about UNIX is its ___________names.
A. Unlimited path
B. Unlimited directory
C. Limited path
D. Limited file
Answer : A

32. In layered approach each layer uses the functions and services of ------------------
A. kernel
B. lower-level layers
C. higher-level layers
D. all of these
Answer : B

33. In ____________ location policies a random node is polled to check its state and the task is transferred if it will not be overloaded; polling is continued until a suitable node is found.
A. Threshold
B. Shortest
C. Bidding
D. Pairing
Answer : A

34. Which components appear in the initial Windows start up display?
A. Start menu
B. Dialog boxes
C. Taskbar
D. All of above
Answer : C

35. A _____________is a collection of processors that do not share memory, peripheral devices,or a clock.
A. Computer system
B. distributed system
C. network
D. None of the above
Answer : B

36. When a peripheral device needs immediate attention from the operating system, it generates a(n)
A. Page file
B. Spool
C. Stack
D. Interrupt
Answer : D

37. _____________ manage the name spaces and binds an object to its location.
A. Name Server
B. Name agent
C. Context
D. Name resolution
Answer : A

38. Creation of a semaphore set is done using the _______system call.
A. semget()
B. semsget()
C. mknod()
D. sempget()
Answer : A

39. Ext2 is the standard file system of _______ and uses a block size of_____bytes
A. MS DOS,8K
B. Linux ,1024
C. Linux, 512
D. Unix, 512
Answer : B

40. The command used to create logical drive for specific location of disk
A. Format
B. Fdisk
C. Subst
D. All of the above
Answer : C

41. What do you mean by 0-reliable level in multicast communication?
A. Multiple responses is expected from any receivers.
B. No response is expected from any receivers.
C. Multiple responses is expected from multiple receivers.
D. A multicast message is received by all the members of the group or none.
Answer : B

42. Which of the following is an essential file of a MS-DOS boot disk?
A. COMMANCOM
B. START.COM
C. VER.COM
D. TREE.COM
Answer : A

43. ____ runs on a computer hardware and serves as a platform for other system to run on
A. System software
B. Operating system
C. Application system
D. All of above
Answer : B

44. In case of modification an unauthorized party not only gains access to but tampers with an asset. This is an attack on ____________________.
A. availability
B. confdentiality
C. integrity
D. authenticity
Answer : C

45. Having data belonging to two independent processes in the same page is called____________.
A. Buffering
B. Blocking
C. Message-passing
D. False sharing
Answer : D

46. The two sub systems of user mode layer of windows 2000 are _________ and __________
A. excel, executive
B. environment, integral
C. orbit , kernel
D. Kernel , executive
Answer : B

47. In_________________ model, when a process does a release access, the contents of all the modifications are not immediately sent to other nodes but they are sent only on demand.
A. Release Consistency Model
B. Lazy Release consistency model
C. Weak Consistency Model
D. Processor Consistency Model
Answer : B

48. An orphan process is automatically inherited by the _____and becomes a _______ of this process.
A. 'init' process, father
B. 'init' process, child
C. 'initial process, father
D. 'it' process, child
Answer : B

49. _______refers to the block size of the DSM system, i.e. to the units of sharing and the unit of data transfer across the network when a network block fault occurs.
A. Granularity
B. Coherence
C. Abstraction
D. Synchronization
Answer : A

50. The name services of DCE include ________
A. the Cell Directory Service
B. the Global Directory Service
C. the Global Directory Agent
D. A,B and C
Answer : D