46. The 32-bit internet address 10000000 00001010 00000010 00011110 will be written in dotted decimal notation as

A. 148.20.2.30
B. 164.100.9.61
C. 210.20.2.64
D. 128.10.2.30
E. None of the above

47. Which of the following items is not used in Local Area Networks (LANs)?

A. Computer
B. Modem
C. Printer
D. Cable
E. None of the above

48. Error detection at a data link level is achieved by

A. bit stuffing
B. cyclic redundancy codes
C. Hamming codes
D. equalization
E. None of the above

49. RS-232-G

A. is an interface between two data circuit terminating equipment as examplified by a local and remote modem
B. is an interface standard between Data terminal Equipment and Data Circuit Terminating Equipment
C. specifies only the mechanical characteristics of an interface by providing a 25-pin connector
D. requires only 7 pin out of 25 in order to transmit digital data over public telephone lines
E. None of the above

50. A subdivision of main storage created by operational software is referred to as a:

A. compartment
B. time-shared program
C. divided core
D. partition
E. None of the above