Which of the following applies to Internal DOS commands?
Options: Internal commands can be run whenever the DOS prompt is displayed, Internal commands are reserved for DOS-level programming, Internal commands can only be executed from a batch file, Internal commands are stored on disk separately from COMMAND.COM
Options: Where the before-images are applied to the database, Where the after-images are applied to the database, Where the after-images and before-images are applied to the database, Switching to an existing copy of the database
Options: is a hardware memory device which denotes the location of the current instruction being executed., is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory., contains the address of the memory location that is to be read from or stored into., contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write".
Which one of the following statements best applies to a series RLC circuit?
Options: The voltage waveform for each component always has the same amplitude and phase as the applied voltage, The current waveform for each component always has the same amplitude and phase as the applied current, All of the above, The sum of the current is always less than the applied current
Indicate which of the following is not true about 4GL?
Options: 4GL does not support a high-level of screen interaction, Many database management system packages support 4GLs, A 4GL is a software tool which is written, possibly, in some third generation language, All of the above