Daily Practice - GCSE Computer Science
Systems, data representation, networks, algorithms and programming.
- 1Producing Robust Programs
State what is meant by a syntax error.
- 2Boolean Logic
State the two values a Boolean data type can hold.
- 3Data Representation: Number Systems
Add the 8-bit binary numbers 00101101 and 00010011, giving your answer as an 8-bit binary number.
- 4Data Representation: Images, Sound and Compression
A row of pixels is encoded using run-length encoding as: 3W 4B 3W. State the original row of pixels it represents.
- 5Programming Practice: Writing and Refining Programs
A function is defined as: FUNCTION addTax(price) RETURN price x 1.2 ENDFUNCTION. Another line of code runs: total <- addTax(20) + addTax(30). Trace both function calls and state the final value of total.
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