Operating System MCQ. Multiple-Choice Questions on operating Systems. MCQ questions and answers on all types of OS topics. Operating System MCQ questions and their answers. For other Computer and Programming MCQs see MCQ Category
Define Operating System ??
(A) Link to interface the hardware and application programs
(B) collection of programs that manages hardware resources
(C) system service provider to the application programs
(D) All mentioned above
The algorithm of splitting m frames into n processes for giving an equal share of the m/n frames is known as ??
A. split allocation algorithm
B. equal allocation algorithm
C. proportional allocation algorithm
D. none of these
What does an Operating System do ??
(A) Provides a layer, user-friendly interface
(B) Links a program
(C) Enables the programmer to draw a chart
(D) None of the above
The layer between the hardware and the user program is ??
A. Operating environment
B. System environment
C. Operating system
D. None
Among the following, which one of these is not an OS ??
(A) Linux
(B) DOS
(C) Windows
(D) Python
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
What provides the interface to access the services of the Operating System ??
(A) API
(B) Library
(C) Assembly instructions
(D) System calls
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
Which of these is not an OS part ??
(A) Job control program
(B) Performance monitor
(C) I/O control program
(D) Supervisor
What is built directly on the hardware ??
A. Computer Environment
B. Application Software
C. Database System
D. Operating System
Operating System MCQ
In DOS Operating System, what is the maximum length given to a file name ??
(A) 4
(B) 6
(C) 8
(D) 16
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
Among these what error will OS handle ??
(A) Lack of paper in the printer
(B) Connection failure
(C) Power failure
(D) All of the above
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
The collection of what is known as an Operating System ??
(A) Software Routines
(B) Hardware components
(C) I/O devices
(D) None of these
What Operating System does not implement multitasking ??
. Windows XP
B. Windows NT
C. Windows 98
D. MS DOS
The year in which the first Operating System developed was ??
(A) 1948
(B) 1949
(C) 1950
(D) 1952
When a process fails, most OS write the error information to a what ??
a) new file
b) another running process
c) log file
d) none
The command interpreter’s main goal is to ??
(A) Handling files in the OS
(B) To get and execute the next user-specified command
(C) To work with coordination with API
(D) None of the mentioned
What type of scheduling is FIFO ??
(A) Deadline scheduling
(B) Non-preemptive scheduling
(C) Preemptive Scheduling
(D) Fair-share scheduling
Operating System MCQ
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
The MS Windows Operating System proposed in which year ??
(A) 1985
(B) 1987
(C) 1989
(D) 1990
A platform for other software to run on is called ??
A. OperatingSystem
B. System Software
C. Application Software
D. All
The “NT” in Windows NT stands for ??
(A) Not Tested
(B) Network Technology
(C) Network Terminal
(D) New Technology
What facility, both in user processes and in the kernel, dynamically adds probes to a running system ??
A. DLocate
B. DAdd
C. DMap
D. DTrace
Which of the following operating system is based on open-source software ??
(A) UNIX
(B) Windows 2000
(C) Windows NT
(D) Linux
Operating system is what ??
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
The operating system that was introduced by ATT’s Bell labs is ??
(A) Unix
(B) OS/2
(C) Macintosh
(D) Linux
The interface to access the services of the operating system is provided by ??
A. Assembly instructions
B. API
C. Library
D. System calls
What operating systems are found on ROM chips in portable or dedicated devices ??
(A) Stand-alone
(B) Windows
(C) Server
(D) Embedded
Operating System MCQ
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
DOS was introduced by ??
(A) IBM
(B) Xerox
(C) Microsoft
(D) Bell labs
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
Windows 2000 professional is a client version of Windows 2000. It supports up to two processors and can address up to _______ of RAM ??
(A) 2 GB
(B) 3 GB
(C) 4 GB
(D) 5 GB
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
First of all, GUI was introduced by ??
(A) IBM
(B) Microsoft Windows
(C) Macintosh
(D) Linux
The resource management can be done by the operating system via ??
A. both time and space division multiplexing
B. space division multiplexing
C. time-division multiplexing
D. none of the mentioned
Which operating system offers only a command-line user interface ??
(A) Mac OS
(B) DOS
(C) Windows
(D) Linux
What type of operating system switches CPU rapidly between the programs to execute all of them simultaneously ??
(A) Time sharing system
(B) Real-time system
(C) Batch processing system
(D) DOS
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
D. none of the mentioned
Operating System MCQ
The windows version especially planned for strong stability and security ??
(A) XL
(B) OL
(C) NT
(D) NS
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
Which version of Windows is for hand-held PCs ??
(A) Windows CE
(B) Windows 95
(C) Windows XP
(D) Windows ME
Which one is not a real-time operating system from the following ??
A. Palm OS
B. Windows CE
C. VxWorks
D. RTLinux
What type of kernel is used in Windows XP ??
(A) Nano
(B) Exo
(C) Hybrid
(D) None of these
What OS X has ??
A. monolithic kernel with modules
B. microkernel
C. hybrid kernel
D. monolithic kernel
A _____ operating system manages a group of distinct computers and makes them appear to be a single computer ??
(A) Distributed
(B) Real-time
(C) Hybrid
(D) Embedded
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
A _____ operating system is an operating system that guarantees to process events or data by a specific moment in time ??
(A) Distributed
(B) Real-time
(C) Hybrid
(D) Embedded
Each process has its own in the operating system ??
A. open files
B. pending alarms, signals and signal handlers
C. address space and global variables
D. all of the mentioned
Operating System MCQ
Do primary operating system design issues include the following except ??
(A) Efficiency in the use of machine resources
(B) Compact memory representation
(C) Resource isolation
(D) None of these
The new process In Unix created by which system call ??
A. create
B. new
C. fork
D. none of the mentioned
Operating system functions are normally categorized into one of these categories except ??
(A) Process, thread, and resource management
(B) Memory management
(C) Device management
(D) Window management
Termination of a process can be due to ??
A. fatal error
B. killed by another process
C. normal exit
D. all of the mentioned above
Windows 2000 is an operating system that was produced by Microsoft as part of the _______ family operating system ??
(A) Windows NT
(B) Windows CE
(C) OS/2
(D) None of these
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
The operating system, editors, and debuggers come under ??
(A) System software
(B) Application software
(C) Utilities
(D) None of These
The process of loading the operating system into RAM is called ??
(A) Installation
(B) Booting
(C) Executing
(D) None of these
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
Time-sharing operating systems schedule tasks for efficient use of the system ??
(A) Time-sharing
(B) Real-time
(C) Embedded
(D) None of these
Operating System MCQ
Which of the following process stack does not contain ??
A. Local variables
B. Function parameters
C. PID of a child process
D. Return addresses
The part of machine level instruction, which tells the central processor what has to be done, is ??
A. Operation code
B. Address
C. Locator
D. Flip-Flop
What is addressing structure ??
A. defines the fundamental method of determining effective operand addresses
B. are variations in the use of fundamental addressing structures, or some associated actions which are related to addressing.
C. performs indicated operations on two fast registers of the machine and leaves the result in one of the registers.
D. all of the above
Which of the following refers to associative memory ??
A. the address of the data is generated by the CPU
B. the address of the data is supplied by the users
C. there is no need for an address i.e. the data is used as an address
D. the data are accessed sequentially
What is a Memory Buffer Register (MBR) ??A. is a hardware memory device that
denotes the location of the current instruction being executed.
B. is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory.
C. contains the address of the memory location that is to be read from or stored into.
D. contains a copy of the designated memory location specified by the MAR after a “read” or the new contents of the memory prior to a “write”.
To avoid the race condition, the number of processes that may be simultaneously inside their critical section is ??
A. 8
B. 1
C. 16
D. 0
E. None of the above
The strategy of allowing processes that are logically runnable to be temporarily suspended is called ??
A. preemptive scheduling
B. non-preemptive scheduling
C. shortest job first
D. first come first served
E. None of the above
A system program that combines the separately compiled modules of a program into a form suitable for execution ??
A. assembler
B. linking loader
C. cross compiler
D. load and go
E. None of the above
The Storage-to-Storage instructions are defined as ??
A. have both their operands in the main store.
B. which perform an operation on a register operand and an operand which is located in the main store, generally leaving the result in the register, except in the case of store operation when it is also written into the specified storage location.
C. which perform indicated operations on two fast registers of the machine and have the result in one of the registers
D. all of the above
A Process is what ??
A. program in High-level language kept on disk
B. contents of main memory
C. a program in execution
D. a job in secondary memory
Operating System MCQ
What does the LRU algorithm do ??
A. pages out pages that have been used recently
B. pages out pages that have not been used recently
C. pages out pages that have been least used recently
D. pages out the first page in a given area
OS stands for ??
a) Operating solve
b) Open Source
c) Open System
d) Operating system
Which of the following systems software does the job of merging the records from two files into one ??
A. Security software
B. Utility program
C. Networking software
D. Documentation system
World Wide Web is being standard by ??
a) Worldwide corporation
b) W3C
c) World Wide Web Standard
d) World Wide Consortium
The fork is what ??
A. the dispatching of a task
B. the creation of a new job
C. the creation of a new process
D. increasing the priority of a task
A co-processor is what ??
a) Is relatively easy to support in software
b) Causes all processor to function equally
c) Works with any application
d) Is quite common in modern computer
Thrashing is ??
A. is a natural consequence of virtual memory systems
B. can always be avoided by swapping
C. always occurs on large computers
D. can be caused by poor paging algorithms
A Microsoft Windows is a(n) ??
a) Operating system
b) Graphic program
c) Word Processing
d) Database program
Supervisor state is what ??
A. never used
B. entered by programs when they enter the processor
C. required to perform any I/O
D. only allowed to the operating system
Which of the following is a program group ??
a) Accessories
b) Paint
c) Word
d) All of above
Operating System MCQ
Which of the following instruction steps, would be written within the diamond-shaped box, of a flowchart ??
A. S = B – C
B. IS A<10
C. PRINT A
D. DATA X,4Z
E. None of the above
Which is not application software ??
a) Windows NT
b) Page Maker
c) WinWord XP
d) Photoshop
Which of the following statements is false ??
A. the technique of storage compaction involves moving all occupied areas of storage to one end or other of the main storage
B. compaction does not involve the relocation of programs
C. compaction is also known as garbage collection
D. the system must stop everything while it performs the compaction
E. None of the above
Which program compresses large files into a smaller file ??
a) WinZip
b) WinShrink
c) WinStyle
d) None of above
Interprocess communication is ??
A. is required for all processes
B. is usually done via disk drives
C. is never necessary,
D. allows processes to synchronize activity
My Computer was introduced from ??
a) Windows 3.1
b) Windows 3.11
c) Windows 95
d) Windows 98
Which of the following functions is(are) performed by the loader ??
A. allocate space in memory for the programs and resolve symbolic references between object decks
B. adjust all address-dependent locations, such as address constants, to correspond to the allocated space.
C. physically places the machine instructions and data into memory.
D. All of the above
Which of the following is not an operating system ??
a) DOS
b) Linux
c) Windows
d) Oracle
User-Friendly Systems are what ??
A. required for object-oriented programming
B. easy to develop
C. common among traditional mainframe operating systems
D. becoming more common
Linux is a(n) what operating system ??
a) Open source
b) Microsoft
c) Windows
d) Mac
Operating System MCQ
Which of the following addressing modes, facilitates access to an operand whose location is defined relative to the beginning of the data structure in which it appears ??
A. ascending
B. sorting
C. index
D. indirect
The most recent version of MAC OS is based on the which operating system ??
a) Windows
b) Linux
c) Unix
d) CMOS
While running DOS on a PC, which command would be used to duplicate the entire diskette ??
A. COPY
B. DISKCOPY
C. CHKDSK
D. TYPE
In Windows, the start button is used to ??
a) Run applications
b) Device setting
c) Turn off the system
d) All of above
What is Memory ??
A. is a device that performs a sequence of operations specified by instructions in memory.
B. is the device where information is stored
C. is a sequence of instructions
D. is typically characterized by interactive processing and time-slicing of the CPU’s time to allow quick response to each user.
E. None of the above
The date and time display on ??
a) Taskbar
b) Status bar
c) System tray
d) Launchpad
Which of the following rules out the use of GO TO ??
A. Flowchart
B. HIPO-DIAGRAMS
C. Nassi-Shneiderman diagram
D. All of the above
What runs on computer hardware and serves as a platform for other systems to run on ??
a) Operating system
b) Application system
c) System software
d) All of above
A system program that sets up an executable program in main memory ready for execution is ??
A. assembler
B. linker
C. loader
D. compiler
What is the layer of a computer system between the hardware and the user ??
a) Operating environment
b) Operating system
c) System environment
d) None of these
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