Computer Science · Oct / Nov 2017 · Paper 12 · Question 6

Selma writes the following four answers in her Computer Science examination. State which computer terms she is describing. “It is a signal. When the signal is received it tells the operating system that an event has occurred.” Selma is describing “It takes source code written in a high level language and translates it into machine code. It translates the whole of the source code at once.” Selma is describing “The part of the central processing unit (CPU) that carries out calculations.” Selma is describing “When data is transmitted, if an error is detected in the data received a signal is sent to ask for the data to be retransmitted. This continues until the data received is correct.” Selma is describing [4]

Read automatically from the paper; the printed page above is exact.