Chapter 7 Checkpoint

Question 1

True or False: CAPS LOCK and NUM LOCK are two examples of toggle keys.

Answer 1

True

Question 2

True or False: kiosks are designed to endure a high volume of use and can be used by hundreds of people per day.

Answer 2

True

Question 3

True or False: motion input is utilized by the military for flight simulation and weapon training

Answer 3

True

Question 4

True or False: a smaller frame rate results in a smaller file size for a video, as well as smoother playback .

Answer 4

False

Question 5

True or False: optical character recognition (OCR) and optical mark recognition (OMR) are two technologies used by optical readers

Answer 5

True

Question 6

True or False: it is important to exercise caution when using QR codes because they may direct your mobile computer or device to a malicious website or file.

Answer 6

True

Question 7

True or False: a data collection device reads and scans data from a source document.

Answer 7

False

Question 8

True or False: most current displays use CRT technology.

Answer 8

False

Question 9

True or False: contrast ratio defines a display’s width relative to its height

Answer 9

False

Question 10

True or False: every electronic device emits some level of radiation

Answer 10

True

Question 11

True or False: printer resolution is measured by the number of pixels per inch a printer can print

Answer 11

False

Question 12

True or False: the Individuals with Disabilities Education Act (IDEA) requires any company with 50 or more employees to make reasonable attempts to accommodate the needs of physically challenged workers.

Answer 12

False

Question 13

A _____ ________ is an instruction a user issues by responding to a message displayed by a program or app.

Answer 13

user response

Question 14

Which of the following is not an example of a pointing device?
A. touchpad 
B. trackball 
C. touch screen 
D. pointing stick

Answer 14

touch screen

Question 15

Another name for a graphics tablet is a(n) __________.

Answer 15

digitizer

Question 16

Air gestures are used in ________ ______.

Answer 16

motion input

Question 17

The United States Postal Service uses the ________ bar code.

Answer 17

POSTNET

Question 18

LCD displays typically produce color using _______-______ technology, which uses a separate transistor to supply charges to each liquid crystal cell.

Answer 18

active-matrix

Question 19

__________ orientation refers to a printout that is wider than it is tall.

Answer 19

Landscape

Question 20

How many subwoofers would a 7.2 speaker system contain?

Answer 20

2

Question 21

any data and instructions entered into the memory of a computer

Answer 21

input

Question 22

one or more keyboard keys that you press to perform an operation system or application-related task

Answer 22

keyboard shortcut

Question 23

pressure-sensitive pointing device shaped like a pencil eraser that is positioned between keys on a mobile computer keyboard

Answer 23

pointing stick

Question 24

input device that contains buttons and/or wheels you operate with a thumb or other finger

Answer 24

touch-sensitive pad

Question 25

computer or mobile device's capability of distinguishing spoken words

Answer 25

voice recognition

Question 26

light-sensing input device that reads printed text and graphics and then translates the result into a form the computer can process

Answer 26

scanner

Question 27

the number of horizontal and vertical pixels in a display

Answer 27

resolution

Question 28

chip that controls the manipulation and display of graphics on a display device

Answer 28

graphics processing unit

Question 29

device that functions as both headphones and a microphone

Answer 29

headset

Question 30

touch-sensitve device that displays the image on a connected computer screen, usually via projector

Answer 30

interactive whiteboard

Question 31

What is keyboard monitoring software?

Answer 31

Keyboard monitoring software runs undetected and stores every keystroke in a file for later retrieval.

Question 32

List steps you can take to detect keyboard monitoring software.

Answer 32

1) run detection software regularly 2) review hard disk files 3) check running programs

Question 33

_______ ______ allows user to guide on-screen elements using air gestures.

Answer 33

Motion input

Question 34

Name 3 disciplines in which motion input is being used.

Answer 34

1) entertainment 2) military 3) medical field

Question 35

What is DV technology?

Answer 35

technology used with DV cameras that allows you to input, edit, manage, publish, and share your videos

Question 36

List the steps involved in using DV technology.

Answer 36

1) Select a DV camera 2) Record a video 3) Transfer and manage views 4) Edit a video 5) Distribute a video

Question 37

What is a streaming cam?

Answer 37

A camera that has the illusion of moving images because it sends a continual stream of still images

Question 38

List steps you can take to prevent unauthorized webcam use.

Answer 38

1) Unplug the webcam 2) Cover the lens 3) Register the hardware 4) Use a strong password

Question 39

Define printer hacking.

Answer 39

Printer hacking is where an individual from within the organization or outside the building can print a document without permission if the network is connected to the Internet.

Question 40

List the steps you can take to secure printers.

Answer 40

1) Place printers in a secure room, not out in the open 2) If the printer has a hard disk, destroy it before disposing of the printer at the end of its useful life 3) Encrypt documents before sending them to the printer using a secured network 4) Restrict users through the use of sign-in procedures, passwords, and types of documents they are allowed to print 5) Use a printer program to track and report the types of jobs, and keep a record of the users who sent them 6) Unplug the printer when it is not is use, of do not connect it to a network. 7) Update the printer with the latest firmware.