3198596
Description
Info. Input, process and output
- Not only in computers
- Process shared by Humans, Info. Systems, and Computers
- Info. enters (input)
- Info. is processed in a microprocessor
- Info. is stored in a memory device
- A response is given (output)
- Info. is stored in a memory device
- Info. is processed in a microprocessor
- Info. enters (input)
- In case of humans
- Senses recieve info. (input)
- Brain analyses info.
- Brain keeps info. in memory
- A response or reaction is given (output)
- Brain keeps info. in memory
- Brain analyses info.
- Senses recieve info. (input)
- Process shared by Humans, Info. Systems, and Computers
- Dialog, communication and understanding
- Human
- Analog
- Waves that let us hear, they vary in tone speed and volume
- Waves that let us hear, they vary in tone speed and volume
- Analog
- Electric devices
- Digital lenguaje (binary)
- 2 states: on and off (1 and 0) to
understand instructions and process
information
- Each 1 and 0 is called a "bit(b)"
- Each 1 and 0 is called a "bit(b)"
- Sequences of 8 bits = Byte(B)
- Smallest data unit = byte
- Bigger memory/data units
- Megabyte = 2^20 bytes
- Gigabyte = 2^30 bytes
- Terabyte = 2^40 bytes
- Actual computers have usually 500 Gigabytes
of hard disk memory
- Megabyte = 2^20 bytes
- Bigger memory/data units
- ASCII code (representation of numbers)
- 1, 2, 4, 8, 16, 32, 64, 128 = combination of bits, each one representing a number
- A 1 in a numerical slot means that number is "on", several 1's in different slots mean an addition
- A 1 in a numerical slot means that number is "on", several 1's in different slots mean an addition
- 1, 2, 4, 8, 16, 32, 64, 128 = combination of bits, each one representing a number
- Smallest data unit = byte
- To represent
- Images
- Colors assigned to codes up to 32 bits
- Colors assigned to codes up to 32 bits
- Vectors
- Graphics designed by mathematical
equations formulated by binary codes
- Graphics designed by mathematical
equations formulated by binary codes
- Videos
- Bits ordered in form of "bitmaps"
- Bits ordered in form of "bitmaps"
- Music
- Collected in intervals stored as numeric
data of up to 16 bits
- Collected in intervals stored as numeric
data of up to 16 bits
- Images
- Unicode
- Character codification to represent the
alphabet in various languajes
- Chinese
- Korean
- Japanese
- 16 bits
- Chinese
- Character codification to represent the
alphabet in various languajes
- 2 states: on and off (1 and 0) to
understand instructions and process
information
- Digital lenguaje (binary)
- Human
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