The following table shows different tasks. Complete the table by identifying a suitable input device and giving one reason for your choice. Task Suitable in...
Question 1 Report
The following table shows different tasks. Complete the table by identifying a suitable input device and giving one reason for your choice.
| Task | Suitable input device | Reason for choice |
|---|---|---|
| Entering answers to a multiple choice exam | ||
| Controlling the pointer in a presentation | ||
| Scanning a patient's retina for hospital security |
[6]
Answer Details
| Task | Suitable input device | Reason for choice |
|---|---|---|
| Entering answers to a multiple choice exam | OMR (Optical Mark Reader). [1] | It can quickly and accurately read marks made in pre-defined positions on printed answer sheets, allowing large numbers of papers to be processed rapidly. [1] |
| Controlling the pointer in a presentation | Remote control / wireless presenter. [1] | It allows the presenter to move around the room freely while advancing slides and controlling the pointer, rather than being tied to the computer. [1] |
| Scanning a patient's retina for hospital security | Retina or iris scanner. [1] | It reads the unique pattern of blood vessels in the retina (or the iris pattern) to positively identify the person, providing a highly secure biometric authentication method. [1] |
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