Storage Devices, RAM And Hardware of computer



Storage devices:


                                                        Image result for Storage devices




RAM...
Main memory or RAM
Random access memory
Read/write memory
Data in it can be erased or changed
Temporary memory
So volatile

Data lost when power gets off





Image result for RAM





Types of ROM:


PROM
EPROM
EEPROM
UVEPROM





Hardware of computer

Components of computer

Input unit
Output unit
Processing unit
Control unit
Arithmetic and logic unit
Cache
Storage unit
Primary storage
RAM
ROM
Secondary storage
Hard disc




Block diagram of computer



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