Indefinitely. In normal operation, they will outlast the useful life of the computer they are installed in.
The vowel sound in "card" is short; if it were long, it would sound like "cared."
Last has a short a vowel. It has a short a sound.
The A sound in card is an R-influenced short A called an umlaut A. It has the sound as in bar, car, or far.
There is no long vowel sound in "last" (it has a short A sound).The similar word that has the long A is laced.
The A in last has a short A sound, as in lad and cast.
No, the word "last" does not have a short a sound. It has a long a sound, similar to the word "cast" or "fast".
The A has a short A sound, as in lap and lack.
Yes. The last sound is a long e sound, even though there is actually no e.
it will last me 2 hours
There is no long vowel in last, only a short A sound.
/T/
It has a short A vowel sound.