Enter text here

Enter text here

1. Units of Data

   • Bit
     • A Single Binary Digit
     • 1,0
   • Nibble
     • A Sequence Of 4 Bits
     • 0-15
   • Byte
     • Eight Bits
     • Individual Keyboard Character
   • Kilobyte
     • 1,000 bytes
     • Paragraph Of Text
   • Megabyte
     • 1,000 Kilobytes Or 1,000,000 Bytes
     • One Quailty MP3 Music
   • Gigabyte
     • 1,000 Megabyte
   • Terabyte
     • 1,000 Gigabytes

2. Characters

   • ASCII
     • 1000001 - A
     • Lessn Storage
     • 128 Different Characters
   • Unicode
     • 0000 0000 0100 0001 - A
     • More Storage, 65, 536 Different Characters

3. Images

   • Splits Into Lots Of Pixels
   • A Pixel can only be one colour at one time
   • Stored in binary
   • Metadata
     • Extra information about the picture needed to store the image
       • Height
       • Colour depth
       • Time saved

4. Sound

   • Sampling rate
     • The amount of time the computer takes a reading of the sound, the more samples the better the sound and more storage needed