22. One byte is equal to how many bits ?
A.4 bits
B.8 bits
C.12 bits
D.16 bits
23. What is maximum digit we can use in octal system ?
A.5
B.6
C.7
D.8
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
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
26. In database table, what column represents ?
A.Attributes
B.Index
C.Entity
D.Relation
27. One nibble is equal to how many bits ?
A.4 bits
B.8 bits
C.12 bits
D.16 bits
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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