Question

What is the main challenge of text input using a phone pad?

a.

The keys are too small

b.

There are only digits, not a full alphanumeric keyboard

c.

It is difficult to press the correct keys

d.

The phone pad is not responsive

Posted under Human Computer Interaction

Answer: (b).There are only digits, not a full alphanumeric keyboard Explanation:The main challenge with phone pads is that they only contain digits from 0-9, and do not have a full alphanumeric keyboard. Therefore, entering text requires multiple presses of a key to cycle through the associated letters.

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