KS3 Computing

CS09: understand how numbers can be represented in binary, and be able to carry out simple operations on binary numbers [for example, binary addition, and conversion between binary and decimal]

Keywords:
Computer Science
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KeywordDefinition
binaryusing 0s and 1s to represent data
bita binary digit which stores a single 0 or 1
bit valuethe amount that each bit is worth when you're working out the decimal value of binary data
byte8 bits, storing a number between 0 and 255
decimalusing the digits 0-9 to represent data
least significant bitthe bit on the right of a binary value (always worth 1)
most significant bitthe bit on the left of a binary value (worth 128 for an 8 bit number)
nibble4 bits, storing a number between 0 and 15
overflowsomething that happens when you haven't got enough bits to store a large number
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