computer, computing device, computing machine, data processor, electronic computer, information processing system - a machine for performing calculations automatically

computer hardware, hardware - (computer science) the mechanical, magnetic, electronic, and electrical components making up a computer system

memory device, storage device - a device that preserves information for retrieval

non-volatile storage, nonvolatile storage - computer storage that is not lost when the power is turned off

fixed storage, read-only memory, read-only storage, ROM - (computer science) memory whose contents can be accessed and read but cannot be changed

real storage - the main memory in a virtual memory system

register - (computer science) memory device that is the part of computer memory that has a specific address and that is used to hold information of a specific kind

scratchpad - (computer science) a high-speed internal memory used for temporary storage of preliminary information

virtual memory, virtual storage - (computer science) memory created by using the hard disk to simulate additional random-access memory; the addressable storage space available to the user of a computer system in which virtual addresses are mapped into real addresses

volatile storage - computer storage that is erased when the power is turned off