Options: one or more conductors that serve as a common connection for a related group of devices, a continuous frequency capable of being modulated or impressed with a second signal, the condition with two or more stations attempt to use the same channel at the same time, a collection of interconnected functional units that provides a data communications service among stations attached to the network
Which one of the following statements is true for resistance in a parallel circuit?
Options: The total resistance is equal to the sum of the individual resistances in a parallel circuit., The total resistance of a parallel circuit is always less than the value of the smallest resistance, The total resistance of a parallel circuit is equal to the total voltage, The total resistance in a parallel circuit is equal to the average value of the individual resistances
Which of the following is not true of a magnetic disk?
Options: It is expensive relative to magnetic tape, It provides only sequential access to stored data, Users can easily update records by writing over the old data, It does not provide an automatic audit trail
Options: the embodiment of human intellectual capabilities within a computer., a set of computer programs that produce output that would be considered to reflect intelligence if it were generated by humans., the study of mental faculties through the use of mental models implemented on a computer., All of the above
. Relationship can be establish between two tables by
Options: a. Drag Primary key of a table into Foreign key of another table
b. Drag Foreign key of a table into Primary key of another table
c. Drag any key of a table into any key of another table
d. All of the above