Computer Science · Oct / Nov 2017 · Paper 12 · Question 1
2210
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A robot arm in a factory is programmed to move products. The binary instructions to operate the robot arm are: Operation Binary Instruction UP 1 1 1 1 DOWN 0 0 0 1 LEFT 1 0 0 1 RIGHT 0 1 1 0 OPEN 1 1 0 0 CLOSE 0 0 1 1 The instructions are entered as hexadecimal values. An operator enters the values: 9 1 C 3 F Convert the values and write down the operation (e.g. RIGHT) carried out by the robot arm. 9 1 C 3 F [5]
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