Difference between Primary storage and secondary storage. Difference between Primary storage and secondary storage. Operating System Mcqs With Answers Pdf' title='Operating System Mcqs With Answers Pdf' />Primary memory is the main memory Hard disk, RAM where the operating system resides. Secondary memory can be external devices like CD, floppy magnetic discs etc. CPU and is also external memory storage. Difference between Primary storage and secondary storage Primary memory storages are temporary where as the secondary storage is permanent. Sky Destroyer Game there. Vengeance Torrent Samples'>Vengeance Torrent Samples. Primary memory is expensive and smaller, where as secondary memory is cheaper and larger Primary memory storages are faster, where as secondary storages are slower. Primary memory storages are connected through data buses to CPU, where as the secondary storages are connect through data cables to CPU. Operating System Mcqs With Answers Pdf' title='Operating System Mcqs With Answers Pdf' />Types of Resistors, Carbon Metal Film, Carbon Composition Potentiometer. Varisters, LDR, Trimmer, Thermistor, Rheostat, Cermet, Wire wound, photoresistor. Learn data mining multiple choice questions answers for various competitive and academic exams.