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A computer with processing and storage. Capabilities smaller than those of a. Mainframe but larger than those of a. Microcomputer, utilized by small businesses,. In manufacturing processes, in scientific. A mid-sized computer, usually fitting. Within a single cabinet about the size of. A refrigerator, that has less memory than. In size and power,. Minicomputers lie between workstations and. In the past decade, the distinction. Has blurred, however, as has the distinction.
A device that controls the movement of the. Cursor or pointer on a display screen. A mouse is a small object you can roll along. A hard, flat surface. Its name is derived from. Its shape, which looks somewhat like a mouse,. Its connecting wire, which can be imagined. Must make it scurry along a surface. As you move the mouse, the pointer on. The display screen moves in the same direction. Mice have at least one button and sometimes.
A small, relatively inexpensive computer. Designed for an individual user. Personal computers range anywhere from a. Few hundred dollars to thousands of dollars. All are based on the microprocessor technology. That allows manufacturers to put an entire CPU. For word processing, accounting, desktop publishing,. And for running spreadsheet and database management. At home, the most popular use for. Analysis, or computer games.
The piece of computer hardware that creates. A device that prints text or illustrations. Akin to a ball-head typewriter,. This type of printer has a plastic. Or metal wheel on which the shape of. Each character stands out in relief. A hammer presses the wheel against a. Ribbon, which in turn makes an ink. Stain in the shape of the character. Makes characters by striking pins.
A prerecorded set of instructions for the computer,. Often with provisions for the operator to choose. To create such a program. Of a problem by a computer. A computer to solve a problem. A programming language, as BASIC, COBOL, or FORTRAN,. Devised for communicating instructions to a computer.