ET Vol 6 CH 12 Printers Flashcards Preview

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Flashcards in ET Vol 6 CH 12 Printers Deck (56)
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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
2
Q

A predefine table of characters that can be

printed by a printer is known as the

A
  1. character set
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
4
Q

Standard printer character codes contain a

total of how many data bits?

A

8

5
Q

The ASCII decimal value 66 represents

which of the following characters?

A

B

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
7
Q

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

A

Alternate character set

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

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
10
Q

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

A

true

11
Q

The original ASCII codes contained what

total number of control codes?

A

32

12
Q

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

A

13

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

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
15
Q

A font describes which of the following

characteristics of the type?

A

Both the style and size of the typeface

16
Q

The printer measure that is equal to 1/72 inch

is known by what term?

A

point

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
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
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)

20
Q

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

A

3

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

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

23
Q

Which of the following is NOT a function of

the control panel on a printer

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?

A

Tractor feed

25
Q

The paper-feed motor in a tractor-feed printer
is usually which of the following types of
motors?

A

stepper (friction & tractor)

26
Q

Which of the following paper-feed methods
uses one or more pressure rollers to move
paper through the printer?

A
  1. Friction feed
27
Q

Which of the follow lists includes only

impact printers?

A

Chain, band, drum, dot matrix, and daisy

wheel

28
Q

The maximum number of characters that a
drum printer can print on one line is
determined by which of the following
factors?

A
  1. The number of columns on the drum
29
Q

A drum printer has which of the following

number of hammers?

A
  1. One for each column on the drum
30
Q

The quality of print produced by a dot matrix
printer is directly related to which of the
following factors?

A

The number of print wires in the print

head

31
Q

The print wires in a dot matrix print head are

driven by which of the following devices?

A

An individual solenoid for each print

wire

32
Q

A dot matrix print head is mounted on a heat

sink for which of the following reasons?

A

To dissipate heat generated by the

solenoid drivers

33
Q

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?

A

One-half dot space

34
Q

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?

A

It has two columns of offset print wires

and prints smaller dots

35
Q

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?

A
  1. Carriage motor
36
Q

The daisy wheel printer has which of the
following advantages over the dot matrix
printer?

A
  1. It prints letter quality

2. It can print carbon copies

37
Q

The laser printer is what type of printer?

A
  1. Electrostatic
38
Q
Laser printers are classified as which of the
following class of printer?
A
  1. Page printer
39
Q

The photosensitive aluminum cylinder in a

laser printer is the

A

print drum

40
Q

The laser diode generates a single
wavelength light in bursts of one millionth
of a second or less.

A

true

41
Q

The erase lamps have which of the following

effects on the print drum?

A

They neutralize any charge on the drum

42
Q

During a laser printer’s print cycle, a charge
of -600V is applied to the print drum by
which of the following devices?

A

Primary corona wire

43
Q

The laser beam’s horizontal scan across the
drum is developed by which of the following
devices?

A
  1. Rotating hexagon mirror
44
Q

What effect, if any, does the laser beam
striking the print drum have on the print
drum?

A

The area of the print drum becomes

positively charged

45
Q

The toner used in a laser printer consists of a

fine powder containing metal, dyes, and

A

plastic

46
Q

As the print drum rotates past the toner
reservoir, which of the following events
occurs?

A

The toner is attracted to the positively

charged areas of the drum

47
Q

The transfer corona is used for which of the

following functions?

A

It charges the paper to enable the transfer

of toner from the drum to the paper

48
Q

The toner is permanently bonded to the

paper by which of the following means?

A

The fusing rollers apply heat and

pressure to the paper

49
Q

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?

A

Lower registration roller

50
Q

what are the laser printer spacing for rollers?

A

upper registration roller (1,5 inches)
Lower registration roller (1.75 inches)
Transfer Roller (2 inches)
Lower fusing roller (2.5 inches)

51
Q

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?

A

Whereto place the dots to print the

characters

52
Q

Soft fonts are font bit maps that are handled

in which of the following ways?

A

They are loaded into the computer’s
memory and transferred to the printer
when needed

53
Q

PostScript® printers are capable of printing a
typeface in different sizes by using which of
the following methods?

A

A mathematical definition for each size

character

54
Q

Electrothermal printers use the heat of wires

or pins to burn images onto plain paper.

A

false

55
Q

13-55.
13-56.
Ink jet printers form images on the paper by
which of the following methods?

A

Spraying ink on the paper in a series of
dots to form the characters similar to a
dot matrix printer

56
Q

The ink in an ink jet printer is sprayed onto
the paper by which of the following
methods?

A
(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