Which of the following describes the operation of a positive edge-triggered D-type flip-flop?
Options: If both inputs are HIGH, the output will toggle., The output will follow the input on the leading edge of the clock., When both inputs are LOW, an invalid state exists., The input is toggled into the flip-flop on the leading edge of the clock and is passed to the output on the trailing edge of the clock.
A heterogeneous distributed database is which of the following?
Options: The same DBMS is used at each location and data are not distributed across all nodes., The same DBMS is used at each location and data are distributed across all nodes., A different DBMS is used at each location and data are not distributed across all nodes., A different DBMS is used at each location and data are distributed across all nodes.
Options: passes lower-frequency signals and reduces higher-frequency signals, passes higher-frequency signals and reduces lower-frequency signals, has no effect on ac signals, increases the level of all frequencies by a significant amount
. All of the following are task performed by the operating system except
Options: a. Managing hardware on the computer
b. Controlling the access that application program has to the CPU
c. Performing housekeeping task like file compression and disk defragmentation
d. Provides an interface for user to interact with computer