51. | When did IBM released the first version of its disk operating system DOS version 1.0 ? |
Discuss |
Answer: (a).1981
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52. | Which is not a function of Kernel ? |
Discuss |
Answer: (d).All of Above
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53. | In real time OS, which is most suitable scheduling scheme |
Discuss |
Answer: (c).pre-emptive scheduling
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54. | For multiprogramming operating system |
Discuss |
Answer: (b).special support from processor is not essential
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55. | Which is single user operating system |
Discuss |
Answer: (a).MS-DOS
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56. | Which operating system reacts in the actual time |
Discuss |
Answer: (c).Real time system
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57. | Macintosh computer uses |
Discuss |
Answer: (b).AU/X
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58. | Which technique is used by operating systems to execute several programs concurrently by switching back and forth |
Discuss |
Answer: (c).Windowing
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59. | Multiprogramming systems |
Discuss |
Answer: (c).Execute more jobs in the same time
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60. | Operating system is |
Discuss |
Answer: (c).A collection of software routines
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