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SOFTWARE AND HARDWARE, image, ATA= advanced technology attachment
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SOFTWARE AND HARDWARE
Computer elements
Microprocessor is an integrated circuit made up of millions of tiny transitions working together to process the instructions and information recived
The computer main memory is its RAM. When we run an application, the instructions and data are copied to the memeory.
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When you turn un your computer, it autommtically checks the system this is called ROM BIOS
The RAM stores data temporally. When you turn off the computer, this data dissapear so we use data storage units to permanently save this data
Computer lenguaje
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Kibibyte - kiB - 1024 bytes
Mebibyte - MiB - 1024 KiB
Gibibyte - GiB - 1024 MiB
Tebibyte - TiB - 1024 GiB
Kilobyte - kB - 1000 bytes
Megabyte - MB - 1000 kB
Gigabyte - GB - 1000 MB
Terabyte - TB - 1000GB
We give a code to eah letter of the alphabet and to the carachters. ASCII (the American Standard code for lnorrnatfon Interchange) uses 7 bits to store up to 128 different characrers
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computer network
A computer network is a set of computers connected to each other so that they can share resources and exchange information
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Computer fuctions
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-Input of data using peripheral devices
-Output of data using peripheral devices
-Storing data using storing devices
-Processing data in the central processing unit (CPU), using the microprocessor and the memory
functions
Different computer can have different types of software, but they all need an operating system
-Manages the microprocessor
-Manages the memory and storage system
-Provides an interface of working enviroment
-Communication between application and periperhal devices
there are programms like windows or linux for basic uses like sharing things or keeping information in
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