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Daily Practice · GCSE Computer Science

Daily Practice - GCSE Computer Science

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17th February 1998

5 questions · GCSE · 123 questions in this band

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  1. 1
    Boolean Logic

    Given A = 1 and B = 1, state the value of A AND B.

  2. 2
    Data Representation: Number Systems

    Convert the 4-bit binary number 1101 to denary.

  3. 3
    Data Representation: Images, Sound and Compression

    An image uses a colour depth of 2 bits per pixel. Calculate the maximum number of different colours it can represent.

  4. 4
    Programming Practice: Writing and Refining Programs

    A programmer wants any syntax error in their program to be reported before the program starts running at all. State whether a compiler or an interpreter behaves this way, and explain why.

  5. 5
    SQL and Data Handling

    Define the term 'primary key' as used in a database table.

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