Operating System Sample Questions and Answers

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Sample Questions and Answers on Computer Networking

1. An example of system development program is
(a) operating system
(b) data base management systems
(c) performance monitors
(d) language translators

2. Which of the following is not a part of the operating system?
(a) Supervisor
(b) Job control program
(c) Performance monitor
(d) Input/output control program

3. If special forms are needed for printing the output, the programmer specifies these through
(a) JCL
(b) IPL
(c) Utility programs
(d) Load modules

4. Which of the following is not an advantage of multi programming ?
(a) Increased throughput
(b) Decreased operating system overhead
(c) Shorter response time
(d) Ability to assign priority to jobs

5. The problem of thrashing is affected significantly by
(a) program structure
(b) primary storage size
(c) program size
(d) all of the above

6. Two basic types of operating systems are
(a) sequential and direct
(b) sequential and real time
(c) batch and time sharing
(d) batch and interactive

7. Under the multiprogramming, turnaround time for short jobs is usually _________ and that for long jobs is slightly _________
(a) lengthened, shortened
(b) shortened, shortened
(c) shortened; lengthened
(d) shortened, unchanged

8. Remote computing service involves the use of time sharing and
(a) Multiprocessing
(b) batch processing
(c) interactive processing
(d) real time processing

9. Under virtual storage
(a) a single program is processed by two or more CPUS.
(b) two more programs and stored concurrently in primary storage.
(c) only two active pages of program are stored in primary storage.
(d) inter program interference may occur.

10. A front end processor is usually used in
(a) Multiprogramming
(b) time sharing
(c) virtual storage
(d) none of the above

11. Which of the following tapes of software must you have in main memory code to use your keyboard?
(a) Word processing
(b) Systems
(c) Spread sheet
(d) Applications

12. If you want to execute more than one program at a time, the system software you are using must be capable of
(a) word processing
(b) coupling
(c) virtual memory
(d) multitasking

13. Which of the following is a type of systems software used micro computers?
(a) Apple DOS
(b) PC-DOS
(c) MS-DOS
(d) UNIX
(e) All of the above

14. Which of the following is helpful in evaluating applications software that will best suit your needs?
(a) Recommendations by other users
(b) Computer magazines
(c) Computer periodicals
(d) Objective software reviews
(e) All of the above

15. Which of the following are loaded into main memory when the computer is booted?
(a) Internal command instructions
(b) External command instructions
(c) Word processing instruction
(d) Utility programs

16. Which of the following software types is used to simplify using systems software?
(a) Spread sheet
(b) Time staring
(c) Operating environment
(d) Multitasking

17. Which of the following is not applications software?
(a) Word processing
(b) UNIX
(c) Spread sheet
(d) Desktop publishing

18. Which of the following types of software should you often need to create, edit, and print documents?
(a) Word processing
(b) UNIX
(c) Spread sheet
(d) Desktop publishing

19. Which of the following might be used to convert high level language instructions into machine language?
(a) Application software
(b) System software
(c) An operating environment
(d) An interpreter

20. Multi programming was made possible by
(a) input/output units that operate independently of the CPU
(b) operating systems
(c) both (a) and (b) above.
(d) none of the above

21. A translator which reads an entire program written in a high level language and converts it into machine language code is
(a) Assembler
(b) Compiler
(c) Translator
(d) system software

22. What is the name given to all the programs inside the computer which makes it usable?
(a) application software
(b) system software
(c) firmware
(d) share ware

23. System software is a program that directs the overall operation of the computer, facilitates its use and interacts with all users. What are the different types of this software?
(a) Operating system
(b) Utilities
(c) Languages
(d) All of the above

24. What is the name of the system which deals with the running of the actual computer and not with the programming problems?
(a) O.S.
(b) Object program
(c) Systems program
(d) Source program

25. Which of the following systems software does the job merging the records from two files into one?
(a) Security software
(b) Networking software
(c) Utility program
(d) Documentation system

26. The term “operating system” means
(a) a set of programs which controls computer working.
(b) the way a computer operator works.
(c) conversion of high language into machine code.
(d) the way a floppy disk drives operators.

27. The operating system of a computer serves as a software interface between the user and
(a) Hardware
(b) Memory
(c) Peripheral
(d) screen

28. The primary job as the operating system of a computer is to
(a) command resources
(b) provide utilities
(c) manage resources
(d) all of the above

29. All the time a computer is switched on, its O.S. Software has to stay in
(a) main storage
(b) primary storage
(c) floppy disk
(d) disk drive

30. What is the name given to software which can be legally compiled and often used for free?
(a) Share ware program
(b) Public domain program
(c) Firmware program
(d) Mindware

31. What is the O.S. used by macintosh computers?
(a) System 7.0
(b) Xenix
(c) AU/X
(d) Either (a) or (b) above

32. Who is called the overseer and supervisor of all computer activity?
(a) CPU
(b) Control unit
(c) O.S
(d) Application program

33. Name of the major O.S used in computers is
(a) MS DOS
(b) UNIX
(c) OS/2
(d) All of the above

34. Who developed the O.S./2 for running IBM’s new PS/2 family of μC ?
(a) Microsoft Inc.
(b) Digital Research Corporation
(c) IBM
(d) Bell Laboratories

35. Most of the μC operating systems like Apple Dos, MS Dos and PC Dos etc. are called disk O.S because they are
(a) memory resident
(b) initially stored on disk
(c) available on magnetic tapes
(d) partly in primary memory and partly on disk

36. What is the name given to the process of initializing a micro computer with its O.S. ?
(a) Cold booting
(b) War booting
(c) Booting
(d) Boot recording

37. What is the name of O.S which was originally designed by scientist and engineers for use by scientists and engineers?
(a) XENIX
(b) OS/2
(c) UNIX
(d) MS DOS

38. Which are the most important features of microsoft windows program?
(a) Windows
(b) Icons
(c) Pull down menus
(d) All of the above

39. What is the name given to the organized collection of software that controls the overall operation of a computer?
(a) Working system
(b) O.S
(c) Peripheral system
(d) Controlling system

40. What is the name given to the values that are automatically provided by software to reduce keystrokes and improve a computer user’s productivity?
(a) Defined values
(b) De Fault values
(c) Fixed values
(d) Special values

41. The powerful text editor called PC-write can be used by any body by paying a small fee. Such programs are Called
(a) Software
(b) Firmware
(c) Shareware
(d) Mindware

42. What is the name of the operating system that read and reacts in terms of actual time?
(a) Quick response system
(b) Batch system
(c) Time sharing system
(d) Real time system

43. What is the name of the technique in which the O.S. of a computer executes several programs concurrently by switching back and them?
(a) Partitioning
(b) Windowing
(c) Multitasking
(d) Paging

44. When did IBM released the first version of its disk operating system Dos version 1.0 ?
(a) 1981
(b) 1982
(c) 1983
(d) 1984

45. IBM released its first PN in 1981. Can you name the O.S. which was most popular at that time?
(a) MS DOS
(b) PCDOS
(c) OS/360
(d) CPM

46. The mathematical software allows the users to directly write and solve problem in arithmetic, trigonometry, algebra etc. Can you name the person who created this software?
(a) Thomas Abraham
(b) Steve Jobs
(c) Yuri Manin
(d) Stephen Wolfram

47. The higher version of the O.S. are so written that programs designed for earlier versions can still be run. What is it called?
(a) Upgradability
(b) Universality
(c) Upward mobility
(d) Upward compatibility

48. What is the name of the arrangement whereby several central processing units share one memory?
(a) Multitasking
(b) Multi programming
(c) Multi processing
(d) concurrent programming

49. A graphical-menu driven O.S allows you to pick up from the menu of choices it displays on the screen. What is the name given to the images which are used in such image oriented menus?
(a) Figure
(b) Icon
(c) Symbol
(d) Model

50. With references to windows, a DLL is
(a) Distribution Level Library
(b) Dedicated link library
(c) Dynamic link library
(d) Distributed library LAN