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This set of Operating System (OS) Multiple Choice Questions & Answers (MCQs) focuses on Operating System Set 3

Q1 | Which of the following is an essential file ofa MS-DOS boot disk?
  • command.com
  • start.com
  • tree.com
  • ver.com
Q2 | Which one is true for unconditional disk formatting?
  • destroys every byte of data on a disk by overwriting itwith with blank spaces
  • do not check/scan surface after format
  • transfer system files after format
  • all of above
Q3 | Oncetext has been cut to the clipboard, you can .....that text into another document
  • paste
  • copy
  • transfer
  • none of the above
Q4 | What is the function ofradio button?
  • to select multiple option
  • to select single option
  • to select all option
  • all of above
Q5 | The Banker's algorithm is used
  • to rectify deadlock
  • to detect deadlock
  • to prevent deadlock
  • to slove deadlock
Q6 | The primary purpose of an operating system is:
  • to make the most efficient use of the computer hardware
  • to allow people to use the computer,
  • to keep systems programmers employed
  • to make computers easier to use
Q7 | The primary purpose of an operating system is a ...
  • to make the most efficient use of computer hardware
  • to allow people to use the computer
  • to keep system programmer employed
  • to make computer easier to use
Q8 | You can use print manage window
  • to checkstatus of files in the print queue
  • to cancel the print job
  • to interrupt printing
  • all of the above
Q9 | Which of the following operating system reads and reacts in actual time?
  • quick response system
  • real time system
  • time sharing system
  • batch processing system
Q10 | All of the following are TRUE regarding virtual memory EXCEPT
  • any amount of ram can be allocated to virtual memory
  • the setting for the amount of hard disk drive space to allocate virtual memory canbe manually change
  • this temporary storage is called the swap file or page file
  • virtual memory is the physical space o the hard drive
Q11 | The essential difference between an operating system like Linux and one like Windows is that
  • windows can run with an intelprocessor, whereas linux cannot
  • linux is a proprietary whereas windows is not
  • there are multiple versions of linux, but only one version of windows
  • any programmer can modify linux code which is not permitted with windows
Q12 | What is dispatch latency?
  • the timetaken by the dispatcher to stop one process and start another
  • the timetaken by the processor to write a file into disk
  • the whole timetaken by all processor
  • none ofabove
Q13 | A page fault occurs when
  • the deadlock happens
  • the segmentation starts
  • the page is found in the memory
  • the page is not found in the memory
Q14 | Whenever you move a directory from one location to another
  • all files inside the directory are moved
  • all the subdirectory inside that directoryare moved
  • the directory is moved the source file is not moved
  • both a and b
Q15 | The Basic Input Output System (BIOS) resides in
  • ram
  • rom
  • the cpu
  • memory cache
Q16 | Which of the following does not occur during the power-on-self-test (POST)?
  • the scandisk utility begins to run
  • the video card and video memory are tested
  • the bios identification process occurs
  • memory chipare checked to ensure that they are working properly
Q17 | The maximum size of a write file is limited to only
  • name of the file
  • extension of the file
  • the amount of memory in your computer
  • all of above
Q18 | Which of the following is drop down list?
  • list
  • combo box
  • text area
  • none
Q19 | Recently deleted files are stored in
  • recycle bin
  • desktop
  • taskbar
  • my computer
Q20 | Which components appear in the initial Windows start up display?
  • dialog boxes
  • start menu
  • taskbar
  • all of above
Q21 | A small part of taskbar that has icons of background running applications is
  • start button
  • quick launch
  • task bar
  • system tray
Q22 | An operating system version designed for use with a media center PC is Microsoft Windows XP
  • home edition
  • media center edition
  • tablet pc edition
  • none of above
Q23 | An operating system version designed for use with a tablet PC is Microsoft Windows XP
  • home edition
  • media center edition
  • tablet pc edition
  • none of the above
Q24 | The date and time displays on
  • taskbar
  • status bar
  • system tray
  • launch pad
Q25 | .... runs on a computer hardware and serves as a platform for other system to run on
  • operating system
  • application system
  • system software
  • all of above