The dielectric constant of a material is a measure of:
Options: the amount of voltage it can withstand before breaking down, how well the material concentrates electrostatic lines of force, the amount of opposition to the current flow, how well the material concentrates magnetic lines of force
The total capacitance of a series capacitor circuit is:
Options: equal to the sun of the individual capacitive-reactance values, equal to the sum of the individual capacitance values, equal to the source voltage divided by total current, less than the value of the smallest capacitor
Options: An exact match is necessary in a SELECT statement., An exact match is not possible in a SELECT statement., An exact match is necessary in a CREATE statement., An exact match is not possible in a CREATE statement.
Options: a graphical model that shows the high-level entities for an organization., a graphical model that shows all entities for an organization., a non-graphical model that shows the high-level entities for an organization., a non-graphical model that shows the all entities for an organization.
Which of the following storage and retrieval methods would be well suited to your processing requirements if you only need to retrieve records one at a time and there is no fixed pattern to the requests for data and records?
Options: indexed sectors, sequential, direct, indexed direct
Options: Reposition the file pointer to a character reverse., Reposition the file pointer stream to end of file., Reposition the file pointer to begining of that line., Reposition the file pointer to begining of file.
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 when 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
Options: Two SCSI devices connected to a computer can have the same ID if they are both hard drives., Each SCSI device must have its own ID, All SCSI devices must have the same ID, SCSI ID's are irrelevant