csc 155 chapter 3

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FireWire allows

...

The typical hard disk consists of several

platters

A touchpad responds to

pressure

The traditional QWERTY keyboard has been shown to cause

repetitive-stress injuries

A ________ uses pressure as a user presses it with a stylus to send signals.

graphics tablet

Bar code readers use ________ to read universal product codes (UPCs), inventory codes, and other codes created from patterns of variable-width bars.

light

A(n) ________ uses laser beams rather than magnets to read and write bits of data on a reflective aluminum layer of the disc.

optical disk drive

A standardized test that you may have taken in school could have been scored by a(n) ________.

optical mark reader

The acronym WORM stands for

write-once, read-many

The problem with disk drives and their moving parts is that they will eventually fail.

true

This relatively new interface standard for connecting computers to most external peripherals is a

FireWire

________ translates the user's handwritten forms into computer-readable characters.

Handwriting recognition software

What is it called when you can remove and replace devices without turning off your computer?

Hot swapping

________ is a high-speed connection developed by Apple.

LAN

For a faxed document with text to be edited, it must be processed by ________ software.

OCR

_______ can interpret voice data into words that can be understood by the computer.

Speech recognition software

Bar-code readers use light to read

UPC's

this type of drive is popular for storing data files created on publicly used computers (such as at a school):

USB flash drive

The process of creating colors by combining colored lights is called ________ color

additive

________ allow(s) drives to be built into a computer system.

bays

Most wireless keyboards use this technology to send signals to the rest of the system:

bluetooth

The display size of a monitor is measured

diagnolly

Colors on a monitor are formed by adding different amounts of red, yellow, and blue.

false

Laser and inkjet printers typically produce documents that have high-resolution output—usually 600 or more dots per inch.

false

This type of memory card is used in MP3 players, smart phones, and many other electronic devices:

flash memory

________ is a type of erasable, reliable, and compact memory that is a viable alternative to disk storage.

flash memory

digital cameras store bit patterns

flash memory cards or other digital storage media

Most new computers do not come with

floppy drives

Lately Microsoft's digital domain has been threatened by this Web-based company:

google

Connectivity for a new computer means

having a modem and/or network connection to communicate with other computers.

The most common color printers are

inkjet

Most mice have two or more buttons; the right mouse button is usually used for

issuing other commands

The following are all examples of game controllers:

joystick, gamepad, and Nintendo Wii remote.

The ________ is the most common input device.

keyboard

The two main types of nonimpact printers are

laser and inkjet

In a laser printer, what creates electrical charges on the drum that then attracts ink to those areas?

laser beam

Optical disc drives use ________ rather than magnets to read and write bits of data on a reflective aluminum layer of a disc.

laser beams

This variation on keyboard design displays keys that react to touch or movement:

laser projections

________ replaced MS-DOS.

microsoft windows

the display screen is also called a

monitor

The most common pointing input device is the

mouse

The pointing device that comes built-in on a laptop computer can be any device EXCEPT a

mouse

A smart phone is a(n) handheld ________ input device.

multi-touch

Microsoft's Surface, a computer embedded in a table with a large touch-sensitive tabletop that serves as the monitor, is based on this type of technology

multi-touch

________ technology allows users to use multifinger or multihand gestures to accomplish complex tasks quickly.

multi-touch input device

A limitation of software that digitizes voice data is that it

must be trained to recognize individual voices.

Engineering blueprints are typically printed on a

plotter

How is a magnetic disk drive read?

randomly

The three additive primary colors in a computer display include

red, green, blue.

The typical mouse uses ________ to detect movement.

reflected light

A key on your keyboard can be used in combination with another key to modify meanings of keystrokes. For example, holding the Shift key while pressing the "S" key types a capital S, while Ctrl+S tell a Windows application to

save the current document

A ________ is used to create a digital representation of typed text, handwritten text, graphics, and objects.

scanner

The wheel located between the two standard buttons on a mouse is used to

scroll

These are designed to monitor physical conditions, such as temperature and humidity:

sensors

Unlike optical storage, magnetic tape is

sequential

If a user with an older tower system wants their computer to accept microphone input, they must install removable

sound cards

These systems are helpful to people who cannot use their hands while they work:

speech recognition

This is a tool that you would use to enter your handwriting into a tablet PC:

stylus

A common storage device on mainframe computers, but not common on PCs, is a

tape drive

The main difference between DVD and CD technology is

the pits are packed much closer on a DVD

Compatibility, with regard to computers, refers to

the software being able to run on the computer.

One way to describe resolution is by indicating the number of columns and rows of pixels, such as 1,024 x 768

true

Unlike optical storage, magnetic tape can store massive amounts of information in a small space at a relatively low cost.

true

An advantage that LCD monitors have over CRT monitors is that LCDs are

use less energy

This device captures an analog video signal and converts it to a digital signal that can be stored in memory and displayed on a computer screen:

video digitizer

Employees who reside in different parts of the country and need to meet regularly, can use computer technology known as

videoconferencing

This type of pointing device requires batteries and uses tiny radio transmitters to send signals:

wireless mouse

Three technological trends are already changing the way people think about and use computer peripherals

wireless technology, computer networks, and the Internet "cloud."

A USB port allows a user to

connect up to 126 devices.

Most sound cards have synthesizers on them.

true

OCR is

software

________ is the early operating system developed by Microsoft.

MS-DOS

Input and output secondary storage devices include all of the following EXCEPT:

RAM

An advantage that impact printers have over nonimpact printers is that impact printers

can print multipart forms.

Most monitors fall into these two categories:

cathode-ray tube and liquid crystal display.

The following are tips for computer users to protect your health EXCEPT:

choose equipment based on its color.

The higher the resolution of a monitor, the

closer together the pixels

CD-RW stands for

compact disc-rewritable

Before a computer can recognize handwriting, an input device must

digitize the information

For a computer to recognize and understand analog data, it first must be

digitized

An analog-to-digital converter (ADC) converts electrical charges into

discrete values

The science of creating work environments that are safe and efficient for workers is known as

ergonomics

OCR stands for

optical character recognition.

Which of the following is an example of a legacy port?

parallel port

This device, when dragged across a line of printed text acts as an OCR and recognizes and stores the text to be transferred to your computer:

pen scanner

A pixel is a

picture element or dot on a screen.

Which input device resembles an upside-down mouse?

trackball

This device, a tiny handle, located in the middle of a keyboard (usually on laptop computers) is called a

trackpoint

Magnetic disks are divided into

tracks and sectors

A Blu-ray uses a blue-violet laser to pack almost six times as many bits on a disc as a DVD.

true

A CD-ROM drive is the oldest type of optical drive.

true


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