Dumb Terminal
A display monitor that has no processing capabilities. A dumb terminal is simply an output device that accepts data from the CPU. In contrast, a smart terminal is a monitor that has its own processor for special features, such as bold and blinking characters. Dumb terminals are not as fast as smart terminals, and they do not support as many display features, but they are adequate for most applications.
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- dummy
A placeholder. A dummy variable , for example, is a variable that doesn’t contain any useful data, but it does reserve space that a real variable will use later.
- dump
(n) The act of copying raw data from one place to another with little or no formatting for readability. Usually, dump refers to copying data from main memory to a display screen or a printer. Dumps are useful for diagnosing bugs. After a program fails, you can study the dump and analyze the contents of […]
- duotone
In printing terminology, duotone is a halftone picture that is composed of two printed colors.
- duplexer
(doo´pleks-er) (n.) A component of a printer that allows for both sides of a page to be printed at the same time. The duplexer typically comes as an add-on accessory to a printer and attaches to the printer to allow for double-sided simultaneous printing. A printer with a duplexer installed often is referred to as […]
- duty cycle
(1) In print and copy terminology, duty cycle refers to the number of copies or prints that the device can reliably produce on a monthly basis. Exceeding the duty cycle number on a regular basis can lead to equipment malfunctions and breakdowns over time. Alternatively, not printing or copying in numbers close to the duty […]