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16. COBOL
COmmon Business Oriented Language. A high-level programming language for business data processing, designed by the CODASYL Committee in 1960; the most widely used programming language. It has a natural language style which makes it easy for a programmer who did not write the original program to make corrections and changes.
17. COM Port
A serial communications port.
18. CPU
Central Processing Unit. The CPU controls the operation of a computer. Units within the CPU perform arithmetic and logical operations and decode and execute instructions. In microcomputers, the entire CPU is on a single chip.
19. CROM
Control Read Only Memory. A kind of storage in the control block of some microprocessors.
20. Cursor
The movable symbol on a computer screen that shows where the user is working, whether typing in text, drawing lines, or moving design elements around. The cursor can be moved with the arrow keys or a mouse. It usually appears in text programs as a blinking dash or rectangle, or an arrow. In graphics programs the cursor is often called a pointer, and can take many different shapes such as a brush, pencil, or hand.










