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ET VOL > ET Vol 6 CH 12 Printers > Flashcards

ET Vol 6 CH 12 Printers Flashcards

(56 cards)

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1
Q

Printers that use pins or hammers to strike an
inked ribbon to transfer characters to paper
are classified as which of the following
types?

A
  1. Impact printers
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2
Q

A predefine table of characters that can be

printed by a printer is known as the

A
  1. character set
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3
Q

The 8-bit printer codes that define the
alphanumeric characters of the standard
English alphabet are contained in which of
the following character sets?

A 
American National Standard Code for
Information Interchange (ASCII)
character set
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4
Q

Standard printer character codes contain a

total of how many data bits?

A

8

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5
Q

The ASCII decimal value 66 represents

which of the following characters?

A

B

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6
Q

ASCII Decimal Value

A 
32-64 characters
65-90 Alphabet-CAps
97-122 lower case 
32-126 printable characters
0-31 and 127 control codes
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7
Q

The ASCII decimal values 128 through 255
are used for which, if any, of the following
functions?

A

Alternate character set

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8
Q

The type of characters that a printer can print
is dependent on which of the following
factors?

A

The type of printer and the software

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9
Q

A printer driver is a software routine that

performs which of the following functions?

A 
1.
2.
3.
4.
Defines the printer capabilities to the
software
Defines the character set to the printer
Defines the graphics capability of the
printer
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10
Q

A separate printer driver is required for each
type of printer that a software program will
support.

A

true

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11
Q

The original ASCII codes contained what

total number of control codes?

A

32

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12
Q

Which of the following ASCII codes (in
decimal) will result in the printer performing
a carriage return?

A

13

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13
Q

The ASCII ESCAPE code (27) when
combined with other characters and sent to a
printer is used for which of the following
functions?

A

To initiate enhanced features of many

printers

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14
Q

Printing each letter or character on a line
based on the character’s actual size is known
as which of the following printer spacing
methods?

A
  1. Proportional spacing
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15
Q

A font describes which of the following

characteristics of the type?

A

Both the style and size of the typeface

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16
Q

The printer measure that is equal to 1/72 inch

is known by what term?

A

point

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17
Q

Which of the following print modes is used
to print text across the length of a standard
size sheet of paper?

A
  1. Landscape mode
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18
Q

Which of the following is the most widely
used serial interface between a personal
computer and a printer?

A
  1. RS-232 interface
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19
Q

Parallel-to-serial data conversion for use in
serial interfaces of personal computers is
accomplished by which of the following
circuits?

A

Universal asynchronous

receiver/transmitter (UART)

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20
Q

In a serial interface that uses software
handshaking, what minimum number of pins
must be connected?

A

3

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21
Q

The Centronics parallel interface uses what
(a) connector at the computer end of the
cable and what (b) connector at the printer
end of the cable?

A

(a) DB-25 subminiature

(b) 36-pin Centronics

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22
Q

The Centronics parallel interface is which of
the following types of interface between the
computer and the printer?

A

8-bit, two-way

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23
Q

Which of the following is NOT a function of

the control panel on a printer

Study These Flashcards
A

Controlling whether the printer is online

or offline

24
Q

Continuous paper with perforated holes on
each side is designed to be used with which
of the following paper-feed methods?

25
The paper-feed motor in a tractor-feed printer is usually which of the following types of motors?
stepper (friction & tractor)
26
Which of the following paper-feed methods uses one or more pressure rollers to move paper through the printer?
2. Friction feed
27
Which of the follow lists includes only | impact printers?
Chain, band, drum, dot matrix, and daisy | wheel
28
The maximum number of characters that a drum printer can print on one line is determined by which of the following factors?
3. The number of columns on the drum
29
A drum printer has which of the following | number of hammers?
1. One for each column on the drum
30
The quality of print produced by a dot matrix printer is directly related to which of the following factors?
The number of print wires in the print | head
31
The print wires in a dot matrix print head are | driven by which of the following devices?
An individual solenoid for each print | wire
32
A dot matrix print head is mounted on a heat | sink for which of the following reasons?
To dissipate heat generated by the | solenoid drivers
33
A nine-pin dot matrix print head prints in near letter quality mode by making two passes for each line, advancing the paper which of the following distances before the second pass?
One-half dot space
34
A 24-pin print head prints near letter quality faster and with greater resolution than a 9-pin print head for which of the following reasons?
It has two columns of offset print wires | and prints smaller dots
35
The print head of a dot matrix printer is moved across the length of the platen by a wire, belt, or chain that is connected to which of the following devices?
4. Carriage motor
36
The daisy wheel printer has which of the following advantages over the dot matrix printer?
1. It prints letter quality | 2. It can print carbon copies
37
The laser printer is what type of printer?
1. Electrostatic
38
``` Laser printers are classified as which of the following class of printer? ```
4. Page printer
39
The photosensitive aluminum cylinder in a | laser printer is the
print drum
40
The laser diode generates a single wavelength light in bursts of one millionth of a second or less.
true
41
The erase lamps have which of the following | effects on the print drum?
They neutralize any charge on the drum
42
During a laser printer’s print cycle, a charge of -600V is applied to the print drum by which of the following devices?
Primary corona wire
43
The laser beam’s horizontal scan across the drum is developed by which of the following devices?
1. Rotating hexagon mirror
44
What effect, if any, does the laser beam striking the print drum have on the print drum?
The area of the print drum becomes | positively charged
45
The toner used in a laser printer consists of a | fine powder containing metal, dyes, and
plastic
46
As the print drum rotates past the toner reservoir, which of the following events occurs?
The toner is attracted to the positively | charged areas of the drum
47
The transfer corona is used for which of the | following functions?
It charges the paper to enable the transfer | of toner from the drum to the paper
48
The toner is permanently bonded to the | paper by which of the following means?
The fusing rollers apply heat and | pressure to the paper
49
A laser printer that produces a printout with blotches evenly spaced every 1.75 inches is probably caused by a defect in which of the following components?
Lower registration roller
50
what are the laser printer spacing for rollers?
upper registration roller (1,5 inches) Lower registration roller (1.75 inches) Transfer Roller (2 inches) Lower fusing roller (2.5 inches)
51
To print a font using a Hewlett-Packard or compatible laser printer, the font definition bit map provides the printer with which of the following information?
Whereto place the dots to print the | characters
52
Soft fonts are font bit maps that are handled | in which of the following ways?
They are loaded into the computer’s memory and transferred to the printer when needed
53
PostScript® printers are capable of printing a typeface in different sizes by using which of the following methods?
A mathematical definition for each size | character
54
Electrothermal printers use the heat of wires | or pins to burn images onto plain paper.
false
55
13-55. 13-56. Ink jet printers form images on the paper by which of the following methods?
Spraying ink on the paper in a series of dots to form the characters similar to a dot matrix printer
56
The ink in an ink jet printer is sprayed onto the paper by which of the following methods?
``` (1)By using piezoelectric crystals to squeeze a nozzle tube (2) By using small heaters to expand an air bubble and force the ink out of the nozzle (3) depending on the printer ```

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