Final answer:
Computer spell checkers are useful but it cannot substitute explicit spelling instruction because it cannot identify misused words, hence emphasizing the importance of traditional spelling instruction.
Step-by-step explanation:
The statement in your question is indeed true. While computer spell checkers are an extremely useful tool, their functionality is limited. Spell checkers can only identify words that are spelled incorrectly, not those are misused. For example, if you use 'there' instead of 'their', a spell checker will not catch this mistake. Therefore, it's necessary to still receive explicit spelling instruction to understand the nuances of spelling and word usage which a computer cannot teach. So, while beneficial, technology should not replace traditional instruction.
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