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Daily Practice · GCSE Computer Science

Daily Practice - GCSE Computer Science

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14th February 1998

5 questions · GCSE · 123 questions in this band

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  1. 1
    SQL and Data Handling

    A table called books has fields bookId, title, authorId and copiesAvailable. Write an SQL statement that selects the title of every book with more than 2 copies available.

  2. 2
    Trace Tables and Binary/Hex Conversions

    Convert the hexadecimal number FF to an 8-bit binary number.

  3. 3
    Systems Architecture

    Convert the denary number 156 to an 8 bit binary number.

  4. 4
    Memory and Primary Storage

    Order these from fastest access speed to slowest: RAM, cache, registers, secondary storage.

  5. 5
    Secondary Storage

    Give one example of an optical secondary storage device.

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