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английский) 3:
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ram and romthe programs and data which pass through the processor must be loaded into the main memory in order to be this. therefore, when the user runs a program, the cpu looks for it on the hard disk and transfers a copy into the ram chips. ram (random access memory) is volatile, that is, its information is lost when on the computer is turned off. the rom (read only memory) is a non - volatile, containing instructions and routines for the basic operations of the cpu. the bios (basic input / output system) uses rom to control communication with peripherals.ram capacity can be expanded by adding extra chips, usually contained in 30 small circuit boards called video in line memory modules (DIMMs).buses and cardsthe main circuit board inside your system is called the cleanser and contains the processor, the memory chips, expansions slots, and controllers for peripherals, connected by buses, electrical channels which allow devices inside the computer to communicate with each other. for example, the front 35 side bus carries all data that passes from the cpu to other devices.the size of a bus, and the bus width, determines how much data can be transmitted. it can be compared to the number of lanes on a motorway, the larger the width, the more data can travel along the bus. for example, a 64 bit bus can transmit 64 bits of data.expansion slots allow users to install expansion cards, adding features like sound, memory and network capabilities.
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