What is Multi slice CT scan ? single slice vs multi slice CT scan

hello, in this video ‪@drbrijeshbaraiya‬, we are explaining multislice CT scanning. Nowadays days 32 slice CT scan machine is quite common. we have addressed many questions in this video like what are the differences between low splice and high slices CT scans? what do mean by slice? what are the advantages and disadvantages of multislice CT scanning? and so on.