The Chennai School Of banking

COMPUTER KNOWLEDGE Operating System (os)

Question No : 1

It runs on computer hardware and serves as platform for other software to run on.
(1) Operating system
(2) Application software
(3) Programs
(4) Peripherals
(5) None of these

Question No : 2

The primary purpose of the windows operating system is 
(1) to make the most efficient use of the computer hardware
(2) to allow people to use the computer
(3) to keep systems programmer’s employed
(4) to make computers easier to use
(5) None of these

Question No : 3

The simultaneous processing of two or more programs by multiple processors, is
(1) Multi- programming
(2) Multi- tasking
(3) Time – sharing
(4) Multi-processing
(5) None of these
 

Question No : 4

It is the first program run on a computer, when the computer boots up.
(1) System software
(2) Operating system
(3) System operation
(4) Processing system
(5) Memory system
 

Question No : 5

It shares characteristics with both hardware and software.
(1) Operating system
(2) Software
(3) Data
(4) Utility
(5) All of these

Question No : 6

Which one of the following DOS commands sends contents of the screen to an output device?
(1) BREAK
(2) DISK COPY
(3) MORE
(4) ASSIGN
(5) None of these

Question No : 7

Which of the following operating systems is also known as single user operating system?
(1) Windows
(2) Linux
(3) Unix
(4) DOS
(5) None of these
 

Question No : 8

The main difference between windows and DOS is the ability to
(1) multitasking   
(2) speed up
(3) run a program
(4) run without power
(5) None of these

Question No : 9

Which process checks to ensure the components of the computer are operating and connected properly?
(1) Booting
(2) Processing
(3) Saving
(4) Editing
(5) None of these
 

Question No : 10

Multi- processing means
(1) two or more central processing units within a single computer system
(2) two or more programs running at once
(3) two or more input devices connected to a single computer system
(4) two or more tasks carried out by a single computer system
(5) None of these

Question No : 11

Which of the following is the main program of MS-DOS?
(1) Boot Record
(2) ID.SYS
(3) MS.DOS.SYS
(4) COMMAND.COM
(5) All of these

Question No : 12

Which of the following is not an operating system?
(1) Windows
(2) MAC OS X
(3) Linux
(4) Unix
(5) CP/M

Question No : 13

The operating system is the most common type of ______ software.
(1) communication
(2) application
(3) system
(4) word-processing
(5) None of these

Question No : 14

In MS-DOS, which of the following commands is used to delete directory with all sub-directories and files?
(1) Delete
(2) Del
(3) Deltree
(4) Move
(5) None of these

Question No : 15

In DOS, the ‘label’ command is used to
(1) create the label of disk
(2) change the label of disk
(3) remove the label of disk
(4) Both ‘1’ and ‘2’
(5) All of the above
 

Question No : 16

Which command is used to delete file from a directory in DOS?
(1) REN
(2) DEL
(3) CD
(4) MD
(5) None of these
 

Question No : 17

‘> ‘ symbol in DOS commands is used to
(1) compare two values
(2) filter input
(3) redirect output
(4) filter data
(5) None of these
 

Question No : 18

Which of the following is not an external command of DOS?
(1) LABEL
(2) FORMAT
(3) CHKDSK
(4) CLS
(5) ATTRIB
 

Question No : 19

Which of the following is not a usual file extension in DOS?
(1) .EXE
(2) .COM
(3) .SYS
(4) .BAT
(5) .O
 

Question No : 20

 Which file in MS-DOS contains internal commands that are loaded during booting process?
(1) CONFIG.SYS
(2) MSDOS.SYS
(3) BIOS.SYS
(4) COMMAND.COM
(5) None of these
 

Question No : 21

What is the name of the batch file that is automatically run when MS-DOS is booted?
(1) CONFIG.SYS
(2) CONFIG.BAT
(3) RUN.BAT
(4) AUTOEXEC.BAT
(5) None of these
 

Question No : 22

Which type of commands in MS-DOS needs external files to perform their action?
(1) Internal commands
(2) External commands
(3) Batch commands
(4) Redirectories
(5) None of these
 

Question No : 23

The scandisk program is used to
(1) find bad cluster of disk and also remove these cluster
(2) scan disk and eliminate viruses
(3) scan disk and eliminate .BAT files
(4) All of the above
(5) None of these

Question No : 24

DOS stands for
(1) Drive Out System                    
(2) Disk Output System                    
(3) Dry out System
(4) Disk Output Series                  
(5) Disk Operating System
 

Question No : 25

A command, in DOS, used to set a name to a disk, is
(1) VOL
(2) REN
(3) LABEL
(4) CLS
(5) COPYCON

Question No : 26

Which of the following is not an internal command of DOS?
(1) VER
(2) COPYCON
(3) FORMAT
(4) VOL
(5) TYPE
 

Question No : 27

______ is a feature for scheduling and multi-programming to provide an economical interactive system of two or more users.
(1) Time sharing                                                        
(2) Multi-tasking             
(3) Time tracing
(4) Multi-processing   
(5) None of these

Question No : 28

Which of the following is /are function of operating system?
(1) File system manipulation
(2) Resource allocation
(3) User interface
(4) All of the above

(5) None of these

Question No : 29

The word processor used by DOS to write the programs or instructions, is
(1) Word Star
(2) Word Pad
(3) Note Pad
(4) MS Word
(5) EDIT

 

Question No : 30

In DOS, the DIR command is used to
(1) display contents of a file
(2) display list of files and subdirectories
(3) delete files
(4) copy files
(5) None of these
 

Question No : 31

‘DOS’ operating system does not have
(1) a boot record
(2) a file allocation table
(3) a root directory
(4) a virtual memory
(5) None of these
 

Question No : 32

MS-DOS is usually supplied on a
(1) hard disk
(2) cartridge tape
(3) CD ROM
(4) floppy disk
(5) None of these
 

Question No : 33

 A program in execution is called
(1) process
(2) instruction
(3) procedure
(4) function
(5) None of these
 

Question No : 34

 Which one of the following is not the function of operating system?
(1) Resource Management
(2) File Management
(3) Networking
(4) Processor Management
(5) None of these
 

Question No : 35

Which of the following commercial software products are examples of operating system software and application software, respectively?
(1) Microsoft windows XP and Microsoft word
(2) Microsoft office XP and Microsoft windows XP
(3) MS DOS and Microsoft windows XP
(4) UNIX and LINUX
(5) UNIX and Java

Question No : 36

Memory utilization factor shall be computed as
(1) memory in use/allocated memory
(2) memory in use/ total  memory connected
(3) memory allocated / free existing memory
(4) memory committed/ total memory available
(5) None of these

Question No : 37

Fork is
(1) the dispatching of a task
(2) the creation of a new job
(3) the creation of a new process
(4) increasing the priority of a task
(5) None of these
 

Question No : 38

The kernel is _____ user threads.
(1) a part of
(2) the creator of
(3) unaware of
(4) aware of
(5) None of these
 

Question No : 39

Real time systems must have
(1) pre- emptive kernels                
(2) non-pre-emptive kernels            
(3) Both ‘1’ And ‘2’
(4) Either ‘1’ or ‘2’                        
(5) None of these
 

Question No : 40

The process of transferring data intended for a peripheral device into a disk, so that it can be transferred to peripheral at a more convenient time or in bulk, is known as
(1) multiprogramming
(2) spooling
(3) caching
(4) virtual programming
(5) None of these

Question No : 41

When a file contains instructions that can be carried out by the computer, it is often called a(n) ______ file.
(1) data
(2) information
(3) executable
(4) application
(5) None of these
 

Question No : 42

Grouping and processing all of a firm’s transactions at one time, is called
(1) batch processing                      
(2) a database management system                         
(3) a real time system                    
(4) an on–time system                      
(5) None of these
 
 

Question No : 43

The operating system called LINUX is typically used for
(1) Desktop Computer
(2) Laptop Computer
(3) Super Computer
(4) Web Servers
(5) All of these

Question No : 44

What is Backup?
(1) Connect is with network to more component
(2) Copy to save a data from original source to other destination
(3) Filter on old data from new data
(4) Access data from tape
(5) None of these

Question No : 45

User-Friendly Systems are
(1) required for object oriented programming
(2) easy to develop
(3) common among traditional mainframe operating system
(4) becoming more common
(5)  None of these
 

Question No : 46

What is access time?
(1) Time required to locate and retrieve stored data
(2) Time required to restore data
(3) Time required to copy and paste data
(4) None of above
(5) All of the above

Question No : 47

The simplest way to break a deadlock is to
(1) Preempt a resource
(2) Lock one of the process
(3) Rollback
(4) Kill one of the process
(5) None of these

Question No : 48

For Multiprogramming Systems, Most Unix Operating Systems are
(1) Swapping
(2) Demand Paging
(3) Shielding
(4) Either (1) or (2)
(5) None of these
 

Question No : 49

Shell is the exclusive feature of  _______
(1) UNIX
(2) DOS
(3) Windows
(4) System Software
(5) Application Software

Question No : 50

The Primary Job of the Operating System is
(1) to manage commands
(2) to manage programs
(3) to manage users
(4) to manage resources
(5) All the above
 

Question No : 51

________ is the ability of an operating system to control the activities of multiple programs at the same time
(1) Multitasking
(2) Streamlining
(3) Multi-user
(4) Simulcasting
(5) All the above
 

Question No : 52

The unique signal, generated by a device that it is in need of immediate attention is device, that tells the operating system called an ________
(1) Action
(2) Event
(3) Interrupt
(4) Activity
(5) None of these

Question No : 53

MS-DOS is a __________ operating system.
(1) point-and-click
(2) Command-driven
(3) User- friendly
(4) Mac
(5) None of these

Question No : 54

Which of the following is NOT a famous operating system?
(1) Windows Vista
(2) Linux
(3) Sun OS

(4) Virtual Box
(5) None of these

Question No : 55

________ is responsible for finding and loading the operating systems into RAM
(1) Port
(2) Bootstrap Loader
(3) BIOS
(4)  CMOS
(5) None of these
 

Question No : 56

A directory within a directory is called
(1) Mini Directory
(2) Junior Directory
(3) Part Directory
(4) Sub Directory
(5) None of these

Question No : 57

The blocks of code, included in the operating system, that software applications interact with are known as
(1) Application programming interfaces (APIs)
(2) Complimentary metal-oxide conductors (CMOS)
(3) Device drivers
(4) Bootstrap loaders
(5) None of these