Data Input Accuracy of data input is important. There are many aspects to consider when deciding which method is the best for data input and output (I/O). Users communicate with computers in an information system through input and output devices. The user enters input data into the system through input devices and receives output information through output devices. It is extremely important for businesses today to select the right input and output hardware for …showed first 75 words of 1876 total…

…showed last 75 words of 1876 total…used only as a memory cache. The two types differ in the technology they use to hold data, dynamic RAM being the more common type. Dynamic RAM needs to be refreshed thousands of times per second. Static RAM does not need to be refreshed, which makes it faster; but it is also more expensive than dynamic RAM. Both types of RAM are volatile, meaning that they lose their contents when the power is turned off.