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You are watching: Which of the following is an example of nonvolatile memory


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The correct answer is ROM.

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Key Points

Each memory cell of a ROM chip has either a transistor for a 1 little bit or none for a 0 little bit.ROMs(Read-just memory) is offered for programs that are essential parts of a computer’s procedure, such as the bootstrap program that starts a computer system and also lots its operating system or the BIOS (fundamental input/output system) that addresses external gadgets in a personal computer system (PC).EPROM (erasable programmable ROM), EAROM (electrically alterable ROM), and also flash memory are forms of nonvolatile memories that are rewritable, though the recomposing is far more time-consuming than reading.They are thus used as special-objective memories wbelow creating is seldom necessary—if provided for the BIOS, for instance, they might be changed to correct errors or update features.

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Further Information

Cache memory:Cache memory, likewise dubbed Cache, a supplementary memory mechanism that temporarily stores commonly offered instructions and also information for much faster handling by the main processor of a computer.The cache augments and is an expansion of, a computer’s major memory.Both primary memory and also cache are internal, random-accessibility memories (RAMs) that usage semiconductor-based transistor circuits.The cache holds a copy of just the a lot of frequently used indevelopment or regime codes stored in the primary memory; the smaller capacity of the cache reduces the time forced to find data within it and carry out it to the computer system for processing.RAM:RAM, in full random-access memory, Computer main memory in which particular contents can be accessed (read or written) straight by the CPU in a really short time regardless of the sequence (and hence location) in which they were taped.Two types of memory are possible with random-accessibility circuits, static RAM (SRAM) and also dynamic RAM (DRAM).A single memory chip is made up of numerous million memory cells.In an SRAM chip, each memory cell stores a binary digit (1 or 0) for as long as power is provided.In a DRAM chip, the charge on individual memory cells have to be refreburned periodically in order to retain data.

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Due to the fact that it has actually fewer components, DRAM needs less chip location than SRAM; hence a DRAM chip deserve to organize more memory, though its access time is slower.