Related Clues:

• Fundamental -- early computer language
• Rudimentary — programming language
• Elementary — without extras
• Staple
• Intro material
• Old-school computer language
• Type of opening
• Like a college course labeled '101'
• Type of cable?
• No frills
• Graduate is mostly unwell from bread-and-butter
• Educated person found Latin so vital
• Simple form of language is met in taxi backing up
• Key, or keys, thus provided?
• Degree thus regarded as essential