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CMIN-201
Computer & Internet Literacy - Ch 2. Key Terms
| Term | Definition |
|---|---|
| Most personal computers use a(n) ________________, which allows the user to interact with the computer by selecting graphical objects such as windows, menus, icons and buttons. | mouse |
| Many computer devices such as mice, digital cameras, and printers connect to the computer via a(n) ________________. | USB port |
| The________________ are the collection of letter and number keys on a keyboard. | Alph numeric keys |
| The row of command keys across the top of a keyboard (typically labeled F1, F2 and so on) are known as ________________. | Functions keys |
| A(n) ________________ uses a beam of light from its underside and an image processor to track its motion across a flat surface. | Optical mouse |
| Computers use a(n)________________ to accept input by allowing the user to place a fingertip directly on the computer screen. | Touch screen |
| QR codes | |
| The image of a page of text can be translated back into editable text in a computer by using a type of program called ________________. | Optical character recognitons (OCR) |
| Special optical scanners called ________________ are used to analyze physical patterns in humans. | Biometric scanners |
| Ergonomics | |
| The smallest area on a monitor that can be accessed and changed is a dot called a(n) ____________________. | pixel |
| The ____________________ measures how close an LCD monitor can get to perfect black and white colors. | contrast ratio |
| In most PCs, a device called the ____________________ sends information to the monitor for display on the screen. | video card |
| A computer's ____________________ is a circuit board that converts sound from analog to digital and vice versa. | sound card |
| Color inkjet printers that use the four colors cyan, magenta, yellow and black are known as ____________________ printers. | CMYK |
| Laser printers use a black powder called ____________________ to create letters on a page. | toner |
| A ____________________is a large-format printer that uses a robotic arm to draw with a set of colored pens or pencils. | plotter |
| Digital projectors often use a technology called____________________, which shines light on a special computer chip containing thousands or millions of microscopic, individually controlled mirrors. | digital light processing |
| A(n)____________________ combines input and projected output on a touch-sensitive white board. | smartboard |
| Game console controllers sometimes employ____________________ to vibrate the controller in concert with events happening in the computer game. | Haptic feedback |
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