Flashcards
Computing Keywords.
Cards in this deck (18)
- 1Central Processing Unit (CPU)The main component of the computer. Carries out all the processing by fetching and executing instructions.
- 2Clock SpeedThe speed which the processor carries out instructions, measured in Megahertz (MHz) or Gigahertz (GHz).
- 3CoreEach single processor circuit capable of fetching and executing instructions.
- 4BitSmallest unit of data. Can take the value of '0' or '1'.
- 5BinaryBase 2 numbers. Only digits '1' or '0' are allowed.
- 6ByteSmallest addressable unit of data in a computer. Usually 8 bits.
- 7Gigabyte (GB) is..1024 megabytes
- 8Kilobyte (KB) is..1024 bytes
- 9Megabyte (MB) is..1024 Kilobytes
- 10Nibble is..Half a byte
- 11Terabyte (TB) is..1024 gigabytes
- 12Decimal (denary)Numbers expressed in base 10.
- 13HexadecimalNumbers expressed in base 16.
- 14OverflowA error caused by attempting to store a number that is too large for the number of bits available.
- 15ASCIIAmerican Standard Code for Information Interchange. It's a 7-bit character code.
- 16Character SetThe complete collection of characters that have been coded in a particular coding system.
- 17Unicode.At least 16-bit code. Defines what characters it encodes and then uses a suitable number of octets to store them as a number.
- 18—