Options: is an interface between two data circuit terminating equipment as examplified by a local and remote modem, is an interface standard between Data terminal Equipment and Data Circuit Terminating Equipment, specifies only the mechanical characteristics of an interface by providing a 25-pin connector, requires only 7 pin out of 25 in order to transmit digital data over public telephone lines
Options: means storing records in contiguous blocks according to a key., Stores records sequentially but uses an index to locate records, uses an index for each key type, has records placed randomly throughout the file
Which one of the following statements is true for current flowing in a parallel circuit?
Options: The amount of current flow through each branch of a parallel circuit can be different, depending on the resistance of each branch part and the amount of voltage applied to it, The same current always flows through every part of a parallel circuit, The total current in a parallel circuit is equal to the total voltage multiplied by the total resistance, The total current in a parallel circuit is always less than the smallest amount of current
Options: A single logical database that is spread to multiple locations and is interconnected by a network, A loose collection of file that is spread to multiple locations and is interconnected by a network, A single logical database that is limited to one location., A loose collection of file that is limited to one location.