Computer Science · Oct / Nov 2017 · Paper 1 HL · Question 12
Adapt for 2027Polling versus interrupts (A1.3.4) and control system parts such as transducers (A1.3.6, HL only) are covered, but the camera and centralised-system comparison parts go beyond the syllabus.
IBCS
As printed in the paper
The question as text
12. A biotechnology company owns a resource centre which collects and classifies organisms for use in research. Only authorized employees are allowed access to some laboratories in the resource centre. These laboratories are protected by locked doors. Each door is controlled by a separate microprocessor. A digital camera is used to scan the iris of an employee who wishes to enter the lab. If the employee is authorized the doors are unlocked.
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
12(a)[2]
12(b)[2]
12(c)[2]
12(d)[4]
12(e)[2]
12(f)[3]
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