Data representation

Description

An overview of GCSE computing topic 2.6 (Data Representation) Please rate and comment so I know haw to improve these resources for future use by other people, thanks :-)
Brodie McMeowface
Mind Map by Brodie McMeowface, updated more than 1 year ago
Brodie McMeowface
Created by Brodie McMeowface almost 8 years ago
204
5

Resource summary

Data representation
  1. Terms to remember:

    Attachments:

    1. Bit
      1. Nibble
        1. Byte
          1. Kilobyte
            1. Megabyte
              1. Gigabyte
                1. Terabyte
                  1. Petabyte
                  2. Binary
                    1. Why data needs to be converted to binary to be processed by a computer
                      1. Covert denary to binary
                        1. Adding binary
                          1. Explain binary shifts
                            1. Left
                              1. Right
                            2. Hexadecimal
                              1. from binary to hex
                                1. From denary to hex
                                  1. And back
                                  2. Character sets
                                    1. Define
                                      1. How binary is used to represent characters
                                        1. How more bits = more characters
                                          1. ASCII
                                            1. Extended ASCII
                                              1. Unicode
                                              2. Images
                                                1. Represented in pixels
                                                  1. Color depth
                                                    1. Bitmap
                                                      1. Resolution
                                                        1. Metadata
                                                        2. Sound
                                                          1. Sampling
                                                            1. Sample rate
                                                              1. Amplitude
                                                                1. Bit depth
                                                                2. Analogue
                                                                3. File size
                                                                  1. Compression
                                                                    1. Lossy
                                                                      1. Lossless
                                                                      Show full summary Hide full summary

                                                                      Similar

                                                                      CUMULATIVE FREQUENCY DIAGRAMS
                                                                      Elliot O'Leary
                                                                      STEM AND LEAF DIAGRAMS
                                                                      Elliot O'Leary
                                                                      TYPES OF DATA
                                                                      Elliot O'Leary
                                                                      Computing Hardware - CPU and Memory
                                                                      ollietablet123
                                                                      Germany 1918-39
                                                                      Cam Burke
                                                                      Types and Components of Computer Systems
                                                                      Jess Peason
                                                                      AQA Physics P1 Quiz
                                                                      Bella Statham
                                                                      Input Devices
                                                                      Jess Peason
                                                                      A level Computing Quiz
                                                                      Zacchaeus Snape
                                                                      RE Keywords - Paper 1 - Religion and life
                                                                      Kerris Linney
                                                                      exothermic and endothermic reactions
                                                                      janey.efen