Designed to assist teachers and administrators approaching the subject of computers for the first time to acquire a feel for computer terminology, this document presents a computer term glossary on three levels. (1) The terms most frequently used, called a "basic vocabulary," are presented first in three paragraphs which explain their meanings: analog and digital, binary, programming, hardware, software, CPU ("central processing unit"), peripheral, memory, mass storage units, terminal, keyboard, display device, operating systems, computer languages, application programs, and microcomputer. (2) A summary of these concepts is then provided, followed by (3) a basic vocabulary list which includes detailed definitions or cross references for approximately 180 computer terms. (JB)