1. Algorithm of splitting m frames into n processes for giving equal share the m/n frames is known as :
A. split allocation algorithm
B. equal allocation algorithm
C. proportional allocation algorithm
D. none of these
E. All of the above
2. The layer between the hardware and the user program is
A. Operating environment
B. System environment
C. Operating system
D. None
E. All of the above
3. Which of the following is the main function of the command interpreter?
A. to handle the files in the operating system
B. to provide the interface between the API and application program
C. to get and execute the next user-specified command
D. none of the above
E. All of the above
4. Allocation of memory to each process according to its size is known as :
A. proportional allocation algorithm
B. split allocation algorithm
C. equal allocation algorithm
D. none of the above
E. All of the above
5. ___________________ is built directly on the hardware.
A. Computer Environment
B. Application Software
C. Database System
D. Operating System
E. None
6. The resource management can be done in an operating system via
A. space division multiplexing
B. both time and space division multiplexing
C. time division multiplexing
D. none
E. All of the above
7. A high priority process is treated ___________ a low priority process, With either equal or proportional algorithm.
A. lesser than
B. greater than
C. same as
D. none
E. All of the above
8. _________________ Operating System does not implement multitasking.
A. Windows XP
B. Windows NT
C. Windows 98
D. MS DOS
E. None
9. When a process fails, most OS write the error information to a ______
a) new file
b) another running process
c) log file
d) none
E. All of the above
10. Which replacement allows a process to select a replacement frame from the set of all frames, even if the frame is currently allocated to some other process?
a) Local
b) Global
c) Universal
d) Localx
11. A platform for other software to run on is called ______________
A. Operating System
B. System Software
C. Application Software
D. All
E. None
12. ____________________ facility, both in user processes and in the kernel, dynamically adds probes to a running system.
A. DLocate
B. DAdd
C. DMap
D. DTrace
E. None
Set 2
13. operating system is______?
A. link that is to interface the hardware and application programs
B. Both A & B
C. collection of programs that manages hardware resources
D. all of the mentioned
E. system service provider to the application programs
14. The interface to access the services of the operating system is provided by_______
A. Assembly instructions
B. API
C. Library
D. System calls
E. Both A & C
F. None of these
15. Which one is not true from the following?
A. kernel is made of various modules which can not be loaded in running operating system
B. During booting, the kernel is the first part of the operating system to load into memory
C. kernel is the program that constitutes the central core of the operating system
D. During the entire computer session kernel remains in the memory
E. Both A & B
F. None of these
By the operating system which one error will be handled from the following?
A. connection failure in the network
B. power failure
C. all of the mentioned
D. lack of paper in the printer
E. Both A & B
F. None of these
15. The command interpreter in The main function is ______
A. to handle the files in the operating system
B. to get and execute the next user-specified command
C. to provide the interface between the API and application program
D. none of the mentioned
E. both A & B
16. The resource management can be done by operating system via_______
A. both time and space division multiplexing
B. space division multiplexing
C. time-division multiplexing
D. none of the mentioned
E. Both A & B
17. In the most operating system if a process fails it write the error information to a?
A. new file
B. another running process
C. log file
B. none of the mentioned
E. Both C & A
18. In both user processes and in the kernel which facility dynamically adds probes to a running system?
A. DMap
B. DLocate
C. Both A & B
D. DTrace
E. DAdd
F. None of these
19. Which one is not a real-time operating system from the following?
A. Palm OS
B. Windows CE
C. VxWorks
D. RTLinux
E. Both A & C
F. None of these
20. 10.________ OS X has?
A. monolithic kernel with modules
B. microkernel
C. hybrid kernel
D. monolithic kernel
E. Both B & D
F. None of these
21. The systems that allow only one process execution at a time is_______
A. unitasking systems
B. uniprogramming systems
C. uniprocessing systems
D. Both A & C
E. none of the mentioned
22. Each process has its own______ In the operating system
A. open files
B. pending alarms, signals and signal handlers
C. Both A & B
D. address space and global variables
E. all of the mentioned
F. None of these
23. The new process In Unix created by which system call?
A. create
B. new
C. fork
D. none of the mentioned
E. Both B & C
24. Termination of a process can be due to?
A. fatal error
B. killed by another process
C. normal exit
D. Both B & C
E. all of the mentioned above
F. None of these
25. The ready state of a process is _________?
A. when a process is using the CPU
B. when a process is scheduled to run after some execution
C., when a process is unable to run until some task, has been completed
D. Both A & C
E. none of the mentioned
26. Interprocess communication is____?
A. communication between two process
B. communication between two threads of the same process
C. communication within the process
D. none of the mentioned
E. Both A & C
27. Processes is deadlock if _______
A. all processes are trying to kill each other
B. each process is terminated
C. each process is blocked and will remain so forever
D. Both A & B
E. none of the mentioned
28. Which of the following a process stack does not contain
A. Local variables
B. Function parameters
C.Both A & B
D. Return addresses
E. PID of a child process
F. None of these
29. Of a terminated child which system call returns the process identifier?
A. exit
B. Both B & D
C. fork
D. wait
E. get
F. None of these
30. ______ will provide the address of the next instruction that is to be executed by the current process
A. Program counter
B. CPU registers
C. Both A & B
D. Process stack
E. Pipe
F. None of these
31. ______ of the following a Process Control Block(PCB) does not contain:
A. Stack
B. Code
C. Both B & D
D. Bootstrap program
E. Data
F. None of these
32. The number of processes completed per unit time is called _______
A. Capacity
B. Output
c. Both A & B
D. Throughput
e. Efficiency
F. None of these
Answer: d
33. The state of a process is¬¬¬_______:
A. the current activity of the process
B. the final activity of the process
C. the activity just executed by the process
D. Both A & D
E. the activity to next be executed by the process
F. None of these
34. Which is not the state of a process of the following?
A. New
B.Waiting
C. Both A & B
D. Old
E. Running
F. None of these
35. ______ is the Process Control Block :
A. Data Structure
B. Process type variable
C. Both A & B
D. A secondary storage section
E. A Block in memory
F. None of these
36. In the current processes the entry of all the PCBs are in______
A. Program Counter
B. Process Register
C. Both A & D
D. Process Unit
E. Process Table
F. None of these
37. _____is the degree of multiprogramming?
A. the number of processes in memory
B. the number of processes in the I/O queue
C. the number of processes executed per unit time
D. Both A & D
E. the number of processes in the ready queue
F. None of these
38. Allows _______ process to perform a single thread of control
A. multiple tasks at a time
B. only two tasks at a time
C. Both A & B
D. only one task at a time
E. all of the mentioned
F. None of these
39. ____ is the objective of multiprogramming?
A. Have multiple programs waiting in a queue ready to run
B. Have some process running at all times
C. Both A & D
D. To minimize CPU utilization
E. None of the mentioned
40. _______ do not belong to queues for processes of the following?
A. Job Queue
B. Device Queue
C. Both D & E
D. PCB queue
E. Ready Queue
F. None of these
41. _______ I/O request when the process issues?
A. It is placed in the Job queue
B. It is placed in a waiting queue
C. Both A & D
D. It is placed in an I/O queue
E. It is placed in the ready queue
F. None of these
42. A process terminates when_____:
A. It is removed from all, but the job queue
B. Its process control block is never de-allocated
C. Both B & E
D. Its process control block is de-allocated
E. It is removed from all queues
F. None of these
43. Long-term scheduler is____ ?
A. It selects which process has to be executed next and allocates CPU
B. It selects which process has to be brought into the ready queue
C. Both A & B
D. It selects which process to remove from memory by swapping
E. None of the mentioned
44. Medium-term scheduler is ______ ?
A. It selects which process has to be executed next and allocates CPU
B. It selects which process has to be brought into the ready queue
C. Both B & D
D. It selects which process to remove from memory by swapping
E. None of the mentioned
45. short-term scheduler is_____ ?
A. It selects which process to remove from memory by swapping
B. It selects which process has to be brought into the ready queue
C. Both A & D
D. It selects which process has to be executed next and allocates CPU
E. None of the mentioned
46. In the short term and the long term scheduler the primary distinction between is_____ :
A. The frequency of their execution
B. The length of their queues
C. The type of processes they schedule
D. Both A & B
F. None of the mentioned
47. _______ is initiated by the user process itself in the only state transition:
A. wakeup
B. dispatch
C. block
D. Both A & C
E. none of the mentioned
48. In multiprogramming environment ______ :
A. a single user can execute many programs at the same time
B. the processor executes more than one process at a time
C. Both B & D
D. the programs are developed by more than one person
E. more than one process resides in the memory
49. In the PCB the context of a process does not contain :
A. memory-management information
B. the value of the CPU registers
C. the process state
D. Both B & D
E. context switch time
50. ______ does not interrupt a running process from the following?
A. Timer
B. A device
C. Both A & E
D. Scheduler process
E. Power failure
51. in the system _______ process can be affected by other processes executing?
A. child process
B. cooperating process
C. Both A & B
D. parent process
E. init process
52. Which one is a synchronization tool of the following?
A. pipe
B. thread
C. socket
D. Both B & D
E. semaphore
Compressing and Archiving Files in UNIX MCQs
1. We provide the original filenames without .gz extension while checking the compression ratio using gzip – l?
(A). True
(B). False
(C). Partially True
Multiple Choice Question Answer: a
2. The better agent than gzip is_______
(A). bzip2
(B). allzip
(C). bunzip2
(D). bzip2 and bunzip2
(E). None of these
Multiple Choice Question Answer: d
3. To compress files, what do we use?
(A). gzip
(B). cmp
(C). gunzip
(D). comm
(E). None of these
Multiple Choice Question Answer: a
4. Which extension is provided by gzip to the compressed filename?
(A). .cm
(B). .zp
(C). .zip
(D). .gz
(E). None of these
Multiple Choice Question Answer: d
5. For decompressing files, what is used?
(A). gunzip
(B). GZIP
(C). uncmp
(D). cmp
(E). None of these
Multiple Choice Question Answer: a
6. For recursive compression, what option do we use with gzip command?
(A). -c
(B). -r
(C). -d
(D). -l
(E). None of these
Multiple Choice Question Answer: b
7. Multiple filenames can be provided by us as the arguments to gunzip.
(A). True
(B). False
(C). Partially True
Multiple Choice Question Answer: a
8. By using gzip, files can’t be uncompressed.
(A). True
(B). False
(C). Partially True
Multiple Choice Question Answer: b
9. Which option do we use with gzip command for checking the compression ratio for files?
(A). -c
(B). -l
(C). -e
(D). -x
(E). None of these
Multiple Choice Question Answer: b
10. An archival program is______
(A). tar
(B). archive
(C). ar
(D). arch
(E). None of these
Multiple Choice Question Answer: a
Next Operating System MCQs
-
- Operating System MCQs
- Operating System Multiple Choice Questions
- Operating Systems OS MCQs-Important
- File system Interface MCQS Questions Answers in Operating Systems
- Virtual Memory MCQS Questions Answers in Operating Systems
- Operating System Structures MCQs
- Process Synchronization Solved MCQs Questions Answers
- Deadlock MCQs Questions Answers
- Memory Management MCQs Questions Answers
- Unix Operating system solved MCQ’s Questions Answers
- Primary Memory Solved MCQs Questions Answers
- Linux process Management MCQs – Solved
- Linux File Permissions Solved MCQs
- Linux Startup and Shutdown MCQs
- Linux File Permissions MCQs Questions Answers
- Linux process Management MCQs – Solved
- Process Synchronization Solved MCQs Questions Answers
- Operating System Structures MCQs
- CPU Scheduling Solved MCQ’s Questions Answers
- Deadlock MCQs Questions Answers
- Memory Management MCQs Questions Answers
- File system Interface MCQS Questions Answers in Operating Systems
- Virtual Memory MCQS Questions Answers in Operating Systems
- Operating System Multiple Choice Questions Answers
MCQs collection of solved and repeated MCQs with answers for the preparation of competitive exams, admission test and job of PPSC, FPSC, UPSC, AP, APPSC, APSC, BPSC, PSC, GOA, GPSC, HPSC, HP, JKPSC, JPSC, KPSC, KERALAPSC, MPPSC, MPSC, MPSCMANIPUR, MPSC, NPSC, OPSC, RPSC, SPSCSKM, TNPSC, TSPSC, TPSC, UPPSC, UKPSC, SPSC, KPPSC, BPSC, AJKPSC ALPSC, NPSC, LPSC, SCPSC, DPSC, DCPSC, PSC, UPSC, WVPSC, PSCW, and WPSC.
Some famous books and Chapter are “Microsoft Windows Operating System Essentials” by Tom Carpenter,
“Operating Systems: Internals and Design Principles” by William Stallings,
“Operating System Concepts” by Abraham Silberschatz and Peter B Galvin.
