COSC Exam 2

50 Questions | By Soccer_chick_4ev | Updated: Apr 26, 2019 | Attempts: 172

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Apr 26, 2019

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Oct 27, 2012

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COSC Exam 2

External hard drives today typically connect to a computer via a USB or ____ port.

Case-Based Critical Thinking Questions Case 3-2 Rodney owns a computer that he uses to work, keep in touch with friends and family, watch movies, listen to music, and use the Internet. If Rodney wants to be able to record, erase, and overwrite the files on a CD, he should get a ____.

Virtually all computer users today need at least one convenient free USB port, in order to connect external hard drives, flash memory drives, and other storage hardware.

CD-ROM discs and DVD-ROM discs are ____ optical discs and come prerecorded with commercial products.

To record, erase, or overwrite rewritable optical discs, track change technology is used.

SSDs are an especially attractive option for portable computers and mobile devices.

One reason advanced users may partition a primary hard drive is to be able to use two different operating systems on the same hard drive.

Conventional CD discs use ____ lasers.

The process of recording data onto an optical disc is called tracking.

Most storage servers are based on magnetic hard disks, although SSD and magnetic tape storage systems are also possible.

RAM is volatile.

Data files are also often called ____.

While the memory used for disk caching can be a designated portion of RAM, today’s hard drives typically use a disk cache consisting of memory chips located on a circuit board inside the hard drive case.

Some smart cards today store ____ data—such as the characteristics of a fingerprint—in the card and use that data to ensure the authenticity of the card’s user before authorizing the smart card transaction.

Partitions are sometimes referred to as ____.

Usually the storage device and storage medium are two separate pieces of hardware (that is, the storage medium is ____).

Much more data can be stored on a(n) holographic disc than on a CD of the same physical size.

One type of storage device that is sometimes used with computers and that uses sequential access is a ____.

Storage devices can be internal (located inside the system unit), external (plugged into an external port on the system unit), or remote (located on another computer).

To read data, the reference beam projects the hologram containing the requested data onto a ____ that reads the entire data page at one time.

RAID 0 uses disk ____, which spreads files over several disk drives.

With a CD, the storage medium and the storage device are permanently sealed together to form one piece of hardware called a fixed-media storage system.

Flash memory storage systems are not subject to mechanical failures like hard drive and optical disc systems, and are therefore more resistant to shock and vibration.

____ provide(s) a method of storing data on two or more hard drives that work in combination to do the job of a larger drive.

Portable barcode readers are always used in point-of-sale (POS) systems.

A(n) joystick is a set of headphones with a built-in microphone.

The number of digital photos that can be stored in a camera at one time depends only on the capacity of the storage medium being used.

The most common flat-panel technologies include liquid crystal display (LCD), various types of light emitting diode (LED), and ____.

____ are the standard for business documents and come in both personal and network styles.

Automating the data entry process is referred to as source data automation.

____ form images by spraying tiny drops of liquid ink onto the page, one printed line at a time.

Printer output is a type of soft copy.

With a ____, the user touches the screen with his or her finger to select commands or otherwise provide input to the computer with which it is being used.

TOLED displays are transparent and can emit light toward the top and bottom of the display surface.

Graphics tablets are often used in conjunction with image editing software to create original images or to modify digital photographs.

The display device for a desktop computer is formally called a ____.

A display device is the most common form of output device.

A difference between CRT monitors and flat-panel displays is that most flat-panel displays use digital signals to display images, while CRT monitors use ____.

A ____ is the smallest colorable area on a display device.

Each pixel on an LCD display emits light in the necessary color.

“Digital video cameras” refer to digital camcorders and small digital video cameras used in conjunction with computers and other devices.

PHOLED technology is especially appropriate for use on mobile devices, consumer electronics, and other devices where power consumption is an important concern.

Digital still cameras most often use ____ cards for storage.

Display devices can be ____ displays, in which each pixel can only be one of two colors, such as black or white.

In a printer, the print ____ affects the quality of the printed output.

The accompanying figure shows a(n) ____ printer.

A(n) ____ is a flat, touch-sensitive device used in conjunction with a digital pen.