RAMs must have a input, in addition to data in.

More Questions from Memory and Storage

• RAM stands for Readily Accessible Memory.
• A typical RAM will read (place stored data on its outputs) whenever the Chip Select line is active and the Write Enable line is inactive.
• Address multiplexing is used to reduce the number of address lines.
• ROMs are used to store data that generally cannot be easily changed.
• A write operation may also be referred to as a "fetch" operation.
• ROMs are used to store data on a permanent basis.
• The most widespread application of ROMs is in the storage of data and program codes that must be available on power-down in the microprocessor-based systems. These data and program codes are called firmware because they are firmly stored in hardware.
• The TMS44100 4M × 1 DRAM does not have a chip select (SC) input.
• A CD player is an example of a device that has random access capability.
• A term often used commercially to refer to read/write memory is sequential-access memory.

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