unit one fundamentals of electricity
��part one
��part two
��part three
��part four
unit two electrical components
��part one
��part two
��part three
��part four
unit three electrical measurements
��part one
��part two
��part three
��part four
unit four digital communications
��part one
��part two
��part three
��part four
unit five optical communications
��part one
��part two
��part three
��part four
unit six technology of modern communication-bluetooth
��part one
��part two
��part three
��part four
unit seven satellite communications
��part one
��part two
��part three
��part four
unit eight technology of modern communication��3g
��part one
��part two
��part three
��part four
unit nine information system
��part one
��part two
��part three
��part four
unit ten computer communication-network
��part one
��part two
��part three
��part four
unit eleven computer components
��part one
��part two
��part three
��part four
unit twelve computer operating system
��part one
��part two
��part three
��part four
�����īI