The meaning of the word tablet is​

a small portable computer that accepts input directly on to its screen rather than via a keyboard or mouse.

Explanation:

a flat slab of stone, clay, or wood, used especially for an inscription

a small disk or cylinder of a compressed solid substance, typically a measured amount of a medicine or drug; a pill

a small, flat computer that is controlled by touching the screen or by using a special pen

scholarship is an sc because, by definition, a subject complement is the adjective, noun or pronoun that follows a linking verb, for example the verb be (in any of its forms).