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HARDWARE AND OPERATING
SYSTEMS hardware …
HARDWARE AND OPERATING
SYSTEMS 
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COMPUTER ELEMENTS
MICROPROCESOR
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Amicroprocessor power also depends on its cache memory and the speed at which it communicates with the RAM
MEMORY AND UNITS OF STORAGE
RAM: The computers main memory is its RAM (random access memory. When we run an application its instructions and data are copied to this memory so taht the microprocessor can use them.
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ROM BIOS: The inicial check on the computer is carried out using instructions stored in a special read-only memory: the ROM BIOS.
STORAGE DEVICES: The RAM stores data temporaly. When you turn off the computer, this data disappears. We use data storage units to permanently save this data.
MOTHERBOARD AND CONNECTING DEVICES
Inside the computer you'll find a large board; we call it the motherboard. All the other components of the computer are connected to it.
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COMPUTER NETWORKS
ELEMENTS IN A NETWORK
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WIRELESS NETWORK
Wireless network use electromagnetic waves to transmit data. All computers need to have a wireless network card.
SHARED INTERNET ACCESS
Internet connection shariing where all communication is through one computer that must be switched on all the time.
Using a router, which detects data and directs it to and from the Internet.