Which one of the following principles best describes the basic operation of an electromagnet?
Options: Current is induced in a conductor that is moving through a magnetic field, Like magnetic poles repel, while unlike poles attract, Current flowing through a conductor generates a magnetic field, Like magnetic poles attract, while unlike poles repel
Which of the following system program forgoes the production of object code to generate absolute machine code and load it into the physical main storage location from which it will be executed immediately upon completion of the assembly?
Options: two pass assembler, load-and-go assembler, macroprocessor, compiler
Options: A)for relatively permanent collections of data
b.for the size of the structure and the data in the structure are constantly changing
c.for both of above situation
d.for none of above situation
Options: whenever the normal decrease of atmospheric temperature, when the decrease in temperature or moisture or both takes place, whenever the normal decrease of atmospheric temperature or moisture or both change with height over a short vertical interval, All of the above
Options: (A) A WYSIWYG HTML editor and web design program for customizing Share Point applications, it replaces Microsoft Office FrontPage (B) Project management software to keep track of events and to create network charts and Gantt charts (C) Diagram and flowcharting software (D) None of these 18..
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