Storage Flashcards
What is storage?
the retention of retrievable data on a computer or other electronic system
What are two types of storage?
primary and secondary storage
Define primary storage
the main memory of the computer system accessible by the CPU consisting of ROM and RAM
Define secondary storage
non-volatile storage mediums that stores programs and instructions even after shut down
Define storage device
any optical or magnetic device capable of information storage functions in a computer system
Define storage medium
a material that retains stored information in a storage device
what are the 6 factors influencing someone choices of buying storage devices
capacity, cost, function, portability and speed
What are the four types of primary storage devices
ROM RAM EPROM ROM
Define Random Access Memory
the main memory in a computer system that stores programs that are running and being processed
Define ROM
Read Only Memory is a primary storage device that stores data and programs that can’t be changed
Define PROM
Programmable Read Only Memory is a storage device that can be programmed once to store non volatile
Define EPROM
Erasable Programmable Read Only Memory is read only memory that can be erased with a special ultraviolet light
