1. <storage> Main memory or RAM. This term dates from the days of ferrite core memory; now archaic most places outside IBM, but also still used in the Unix community and by old-time hackers or those who would sound like them.

Some derived idioms are quite current; "in core", for example, means "in memory" (paged in, as opposed to "on disk", paged out), and both core dump and the "core image" or "core file" produced by one are terms in favour. Some varieties of Commonwealth hackish prefer store.

2. <computer hardware> An integrated circuit design, usually for a microprocessor, which includes only the CPU and which is intended to form part of a complete circuit design which incorporates other circuits on the same chip such as cache, memory management unit, I/O ports and timers.

The ARM6, ARM7 and ARM8 are examples.

3. <programming language> A varient on kernel as used to describe features built into a language as opposed to those provided by libraries.

(01 Mar 1995)

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A common body of courses, usually compulsory within a programme of study.

(14 Jan 2009)

1. The central mass of necrotic tissue in a boil.

2. A metal casting, usually with a post in the canal of a tooth root, designed to retain an artificial crown.

3. A sectional record, usually of plaster of Paris or one of its derivatives, of the relationships of parts, such as teeth, metallic restorations, or copings.

Origin: L. Cor, heart

4. The pupil (of the eye).

Origin: G. Kore, pupil

(05 Mar 2000)

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