Blue chip companies like Microsoft, Google and Amazon all use questions like, "Write a function that takes a string consisting of numeral characters and returns all possible alpha character strings of same length as input that correspond to the keypad of a typical telephone," in order to separate the skilled coders from the chaff.
Thomas, you should "unlock" your iPhone, press the "phone" icon, then press "keypad," then type in those numbers in order, and finally press "call".
What's more, the slide-up screen requires a fair amount of force in order to expose the keypad (I can't imagine someone with arthritis opening it) and, once open, the default menu selection is "SMS Messages".
In order to give a vote, each participant was given a keypad which transmitted their answers automatically on radio frequency to a receiver.
It was necessary to guide respondents through the two practice questions in order to familiarise them with the use of the input device (external keypad) especially on how much pressure to exert on the keys since too much pressure would have resulted in repeated character entry.
The questions were worded to elicit a nominal response, in order to allow automated administration methods with an IVRS using voice recognition or keypad numeric entry on the phone.
It is likely that the unreliability of community phones played a role in the low delivery success of retrieved voice messages in 2 ways: Malfunctioning keypads made it difficult to enter an accurate estimated due date or child's birthday in order to hear a message.
In order to continue foraging in the patch, player must evaluate his motivational level typing in a number between 0 and 9 on the keypad, where 0 means "I want to leave the current dome and forage elsewhere" and 9 means "I want to continue to forage in the current dome".
In order to avoid misalignments during the runs, the subjects answered and performed the two-alternative forced-choice test by pressing a keypad to indicate the perception of the central bar of the test (i.e., beyond or in front).
