Examlex
Input includes program instructions that the CPU receives after commands are issued by the user.
MS-DOS
Microsoft Disk Operating System, an early command-line operating system for IBM PC-compatible computers.
WordPerfect
A word processing software that has been widely used for document creation, editing, and formatting, known for its reveal codes feature.
Floppy Disk
A type of disk storage composed of a disk of thin and flexible magnetic storage medium, enclosed in a square or rectangular plastic shell.
Mechanical Calculator
An early computing device used for performing mathematical operations that operates through mechanical components like gears and levers.
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