Printers that use pins or hammers to strike an
inked ribbon to transfer characters to paper
are classified as which of the following
types?
- Impact printers
A predefine table of characters that can be
printed by a printer is known as the
- character set
The 8-bit printer codes that define the
alphanumeric characters of the standard
English alphabet are contained in which of
the following character sets?
American National Standard Code for Information Interchange (ASCII) character set
Standard printer character codes contain a
total of how many data bits?
8
The ASCII decimal value 66 represents
which of the following characters?
B
ASCII Decimal Value
32-64 characters 65-90 Alphabet-CAps 97-122 lower case 32-126 printable characters 0-31 and 127 control codes
The ASCII decimal values 128 through 255
are used for which, if any, of the following
functions?
Alternate character set
The type of characters that a printer can print
is dependent on which of the following
factors?
The type of printer and the software
A printer driver is a software routine that
performs which of the following functions?
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
A separate printer driver is required for each
type of printer that a software program will
support.
true
The original ASCII codes contained what
total number of control codes?
32
Which of the following ASCII codes (in
decimal) will result in the printer performing
a carriage return?
13
The ASCII ESCAPE code (27) when
combined with other characters and sent to a
printer is used for which of the following
functions?
To initiate enhanced features of many
printers
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?
- Proportional spacing
A font describes which of the following
characteristics of the type?
Both the style and size of the typeface
The printer measure that is equal to 1/72 inch
is known by what term?
point
Which of the following print modes is used
to print text across the length of a standard
size sheet of paper?
- Landscape mode
Which of the following is the most widely
used serial interface between a personal
computer and a printer?
- RS-232 interface
Parallel-to-serial data conversion for use in
serial interfaces of personal computers is
accomplished by which of the following
circuits?
Universal asynchronous
receiver/transmitter (UART)
In a serial interface that uses software
handshaking, what minimum number of pins
must be connected?
3
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) DB-25 subminiature
(b) 36-pin Centronics
The Centronics parallel interface is which of
the following types of interface between the
computer and the printer?
8-bit, two-way
Which of the following is NOT a function of
the control panel on a printer
Controlling whether the printer is online
or offline
Continuous paper with perforated holes on
each side is designed to be used with which
of the following paper-feed methods?
Tractor feed
The paper-feed motor in a tractor-feed printer
is usually which of the following types of
motors?
stepper (friction & tractor)
Which of the following paper-feed methods
uses one or more pressure rollers to move
paper through the printer?
- Friction feed
Which of the follow lists includes only
impact printers?
Chain, band, drum, dot matrix, and daisy
wheel
The maximum number of characters that a
drum printer can print on one line is
determined by which of the following
factors?
- The number of columns on the drum
A drum printer has which of the following
number of hammers?
- One for each column on the drum
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
The print wires in a dot matrix print head are
driven by which of the following devices?
An individual solenoid for each print
wire
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
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
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
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?
- Carriage motor
The daisy wheel printer has which of the
following advantages over the dot matrix
printer?
- It prints letter quality
2. It can print carbon copies
The laser printer is what type of printer?
- Electrostatic
Laser printers are classified as which of the following class of printer?
- Page printer
The photosensitive aluminum cylinder in a
laser printer is the
print drum
The laser diode generates a single
wavelength light in bursts of one millionth
of a second or less.
true
The erase lamps have which of the following
effects on the print drum?
They neutralize any charge on the drum
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
The laser beam’s horizontal scan across the
drum is developed by which of the following
devices?
- Rotating hexagon mirror
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
The toner used in a laser printer consists of a
fine powder containing metal, dyes, and
plastic
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
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
The toner is permanently bonded to the
paper by which of the following means?
The fusing rollers apply heat and
pressure to the paper
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
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)
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
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
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
Electrothermal printers use the heat of wires
or pins to burn images onto plain paper.
false
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
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