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Course On Computer Concepts Objective Questions { CCC Set II }



57. All memory units are expressed as powers of ?
A.2
B.5
C.10
D.20
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58. What is meaning of OMR ?
A.Optical Mark Reader
B.Optical Message Reader
C.Optical Message Render
D.Optical Mark Render
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59. What can be considered as basic building blocks of a digital circuit ?
A.Logic Gate
B.Diode
C.Semi Conductor
D.CMOS
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60. Which type of software are device drivers
A.Application software
B.System software
C.Utility software
D.These are type of hardware
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61. Which function key is used to check spellings ?
A.F2
B.F5
C.F7
D.F11
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62. Which of following allows two or more users to work on same time ?
A.Multiprocessing
B.Multithreading
C.Multiprocessing
D.Multi-capable
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63. Which of following is not a valid bus in computer system ?
A.Data Bus
B.Memory Bus
C.Address Bus
D.System Bus
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