Flashcards
Data Representation
Flashcards do conjunto (18)
- 1Data Representationrepresenting data within computer systems is done by turning switches on and off
- 2Binaryall data is represented by 1s and 0s (on and off) in computers
- 3DenaryCounting system humans use
Base 10 - 4HexidecimalUsed to read binary as 16 bit of data can be represented by a single character
Base 16 - 5ImagesMade of an arrangement of pixels
Pixels are stored in binary
Higher the resolution the better the picture - 6SoundStored as binary
Sample the analogue to store a digital representation of the original sound
Higher the sampling rate the higher the quality - 7Bit1 or 0
- 8Nybble4 bits
- 9Byte8 bits
- 10Kilobyte1024 bytes
- 11Megabyte1024 kilobytes
- 12Gigabyte1024 megabytes
- 13Terrabyte1024 gigabyte
- 14Petabyte1024 terabytes
- 15Exabyte1024 pentabytes
- 16Zettabyte1024 exabytes
- 17Yottabyte1024 zettabytes
- 18ASCIIAmerican Standard Code for Information Interchange
Informações
- Descrição
- Cambridge IGCSE Computing (Data Representation) FlashCards sobre Data Representation, criado por rwc.carlton em 22-01-2015.
- Criado por
- rwc.carlton
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