Daily Practice · GCSE Computer Science

Daily Practice - GCSE Computer Science

5th February 1998

5 questions · GCSE · 123 questions in this band

1
1D and 2D Array Processing: Writing and Tracing Programs
Explain why a running maximum should be initialised to the first element of the array rather than to 0.
2
Programming Fundamentals
A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
3
Producing Robust Programs
Give one example of erroneous test data for a field that only accepts whole numbers from 1 to 10.
4
Boolean Logic
Evaluate X = NOT A AND B when A = 0 and B = 1.
5
Data Representation: Number Systems
An 8-bit register stores the value 01100000 (denary 96). State the resulting 8-bit binary value after a left shift by 1 place, and state whether an overflow occurs.

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