Unit-5-Info-Tech-Input Devices
Multiple Choice
Identify the choice that best completes the statement or answers the question.
Please answer these questions to the best of your ability. There are two extra credit problems at the end.
* Required
Name
*
1
_____, are special keys programmed to issue commands to a computer.
Function keys
Toggle keys
Arrow keys
Numeric keys
2
Nearly all keyboards have a(n) _____ that switches between two states each time a user presses the key.
arrow key
function key
toggle key
numeric key
3
To fit in notebook and many handheld computers, the keyboards usually are _____.
smaller and have fewer keys
smaller but have more keys
larger and have more keys
larger but have fewer keys
4
In contrast to most desktop computers, a typical notebook computer usually has about _____ keys.
55
70
85
100
5
A(n) _____ uses devices that emit and sense light to detect the mouse’s movement.
optical mouse
mechanical mouse
audio mouse
ergonomic mouse
6
An optical mouse is _____.
less precise than a mechanical mouse and does not require cleaning, and it also is less expensive
less precise than a mechanical mouse and does not require cleaning, and it also is more expensive
more precise than a mechanical mouse and does not require cleaning, but it also is less expensive
more precise than a mechanical mouse and does not require cleaning, but it also is more expensive
7
Generally, the mouse is used to move the pointer on the screen to an object such as a button, and then users _____ to perform a certain action on that object.
move the mouse side to side
lift the mouse up and down
press a mouse button
touch the mouse pad
8
A _____ is the most widely used pointing device on desktop computers.
trackball
mouse
pointing stick
touchpad
9
For users that have limited desk space, the trackball is a good alternative to a mouse because the device _____.
does not pick up oils from fingers
is stationary
does not pick up dust from the environment
all of the above
10
Touchpads are found most often on _____.
notebook computers
PDAs
mainframe computers
desktop computers
11
Kiosks often have _____.
trackballs
touchpads
touch screens
light pens
12
A voice recognition program on your computer may recognize up to _____ words.
several dozen
several hundred
100,000
2,000,000
13
The best voice recognition programs are _____ percent accurate.
50 to 55
70 to 75
90 to 95
100
14
Some users input music and other sound effects using external _____ devices such as an electronic piano keyboard.
MIDI
POS
MICR
DSP
15
A(n) _____ is a full-sized keyboard that can be conveniently attached and removed from a PDA or mobile device.
enhanced keyboard
portable keyboard
ergonomic keyboard
fixed keyboard
16
_____ is one common method of input for smart phones.
A gamepad
A cursor
A portable keyboard
Voice
17
The primary input device for a _____ is a pressure-sensitive digital pen, which allows users to write on the device’s screen.
Tablet PC
notebook computer
digital camera
desktop computer
18
The most expensive and highest quality camera is a _____, which is a stationary camera used for professional studio work.
studio camera
plug-and-play camera
field camera
point-and-shoot camera
19
Often used by photojournalists, a _____ is a portable camera that has many lenses and other attachments.
studio camera
plug-and-play camera
field camera
point-and-shoot camera
20
A _____ is a more affordable and lightweight camera that provides acceptable photographic images for the home or small business user.
studio camera
plug-and-play camera
field camera
point-and-shoot camera
21
Manufacturers often use _____ to represent the resolution of a digital camera.
points per inch (ppi)
pixels per screen (pps)
points per screen (pps)
pixels per inch (ppi)
22
The actual photographed resolution of a digital camera is known as the _____.
optical resolution
standard resolution
enhanced resolution
visual resolution
23
A _____ is the smallest element in an electronic image.
byte
pixel
character
point
24
Some input devices eliminate manual data entry by capturing data from a _____, which is the original form of data.
turnaround document
source document
reviewed document
summary document
25
Devices that capture data directly from a source document include all of the following except _____.
optical scanners and optical readers
bar code readers
magnetic-ink character recognition readers
portable keyboards
26
The quality of a scanner is measured by the number of bits it stores in a pixel and the number of pixels per inch; the higher each number the _____ the scanner.
poorer the quality, and the less expensive
better the quality, and the less expensive
poorer the quality, but the more expensive
better the quality, but the more expensive
27
Retail and grocery stores use the _____ bar code.
UPC (Universal Product Code)
Interleaved 2 of 5
Codabar
POSTNET (Postal Numeric Coding Technique)
28
Many retailers see RFID as an alternative to bar codes because it _____.
requires direct contact
does not require line-of-sight transmission
requires each item to be checked out individually
all of the above
29
____ is a technology that uses radio signals to communicate with a tag placed in or attached to an object, an animal, or a person.
OCR
RFID
OMR
TMR
30
In a grocery store, a(n) _____ is a combination of an electronic cash register, bar code reader, and printer.
automated teller machine (ATM)
flatbed scanner
point of sale (POS) terminal
smart display
31
The most widely used biometric device today is a(n) _____.
fingerprint scanner
face recognition system
iris recognition system
hand geometry system
32
The camera in a(n) _____ scans patterns of blood vessels in the back of the retina.
face recognition system
voice verification system
iris recognition system
retinal scanner
33
A(n) _____, which is comparable in size to a credit card or ATM card, stores personal data on a thin microprocessor embedded in the card.
adapter card
smart card
digital card
video card
34
A(n) _____ is a metal or plastic plate placed over the keyboard that allows users to rest their hands on the keyboard without accidentally pressing any keys.
toggle key
keyguard
on-screen keyboard
portable keyboard
35
A(n) _____ displays a graphic of a standard keyboard on the user’s screen.
toggle key
keyguard
on-screen keyboard
portable keyboard
36
With _____, the computer will detect human motions.
voice recognition
signature recognition
face recognition
gesture recognition
37
____ is any data and instructions entered into the memory of a computer.
Input
Throughput
Output
Volume
38
A(n) ____ device is any hardware component that allows users to enter data or instructions (programs, commands, and user responses) into a computer.
output
input
entry
screen
39
The ____ is a symbol on the screen, usually a blinking vertical bar, that indicates where the next character typed will display.
mouse
index
cursor
keystroke
40
A(n) ____ keyboard has a design that reduces the chance of wrist and hand injuries.
basal
enhanced
strength-building
ergonomic
41
The goal of ____ is to incorporate comfort, efficiency, and safety in the design of items in the workplace.
ergonomics
calisthenics
concatenation
basal design
42
A(n) ____ mouse is a mouse that has a rubber or metal ball on its underside.
mechanical
tracking
optical
enhanced
43
A(n) ____ mouse is a battery-powered mouse that transmits data using wireless technology, such as radio waves or infrared light waves.
light
optical
wireless
radio
44
A(n) ____ is a vertical lever mounted into a base that is moved in different directions to control the actions of a simulated vehicle or player.
keypad
joystick
trackpad
gameball
45
In addition to being a port, ____ is the electronic music industry’s standard that defines how digital musical devices represent sounds electronically.
IEEE
FireWire
MIDI
USB
46
A(n) ____ station, which is an external device that holds a mobile computer, contains a power connection and provides connections to peripherals.
docking
base
tracking
enhanced
47
____ is the number of horizontal and vertical pixels in a display device.
Dithering
Resolution
Visual acuity
Graphical depth
48
A(n) ____ is the smallest element in an electronic image.
key
index
icon
pixel
49
The actual photographed resolution is known as the ____ resolution.
actual
baseline
matrix
optical
50
A(n) ____ is a light-sensing input device that reads printed text and graphics and then translates the results into a form the computer can process.
camera
MICR
scanner
OCR
Extra Credit
Extra One
A(n) ____ is an identification code that consists of a set of vertical lines and spaces of different widths.
RFID
OCR
bar code
turnaround
Extra Two
The location in a retail or grocery store where a consumer pays for goods or services is the ____.
BOS
TOS
POS
COS