22. One byte is equal to how many bits ?
A.4 bits
B.8 bits
C.12 bits
D.16 bits

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23. What is maximum digit we can use in octal system ?
A.5
B.6
C.7
D.8

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24. What is access time ?
A.Time required to locate and retrieve stored data
B.Time required to restore data
C.Time required to copy and paste data
D.None of above

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25. What is the meaning of OSI, in terms of computers ?
A.Open Software Intrerelation
B.Open System Interrelation
C.Open Software Interconnection
D.Open System Interconnection

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26. In database table, what column represents ?
A.Attributes
B.Index
C.Entity
D.Relation

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27. One nibble is equal to how many bits ?
A.4 bits
B.8 bits
C.12 bits
D.16 bits

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28. In which mode of transmission both communicating devides to transmit and receive data simultaneously ?
A.Simplex
B.Half Duplex
C.Full Duplex
D.None of above

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