13-28. A drum printer has which of the following
number of hammers?
1. One for each column on the drum
2. One for each line the printer is capable of
printing
3. One for each letter of the alphabet and
seven for special characters
4. Two for each letter of the alphabet (one
for uppercase and one for lowercase) and
seven for special characters
13-29. The quality of print produced by a dot matrix
printer is directly related to which of the
following factors?
1. The number of print wires in the print
head
2. The number of characters being printed
3. The size of the print head
4. The type of font being printed
13-30. The print wires in a dot matrix print head are
driven by which of the following devices?
1. A relay
2. One solenoid that drives all the print
wires
3. An individual solenoid for each print
wire
4. A hi-stable multivibrator
13-31. A dot matrix print head is mounted on a heat
sink for which of the following reasons?
1.
2.
3.
4.
To dissipate heat generated by the
moving print wires
To dissipate heat generated by the
solenoid drivers
To dissipate heat generated by the
printer’s power supply
To heat up the print wires to the proper
operating temperature
13-32.
13-33.
13-34.
13-35.
13-36.
110
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?
1. One-half line
2. One-half letter space
3. One-half dot space
4. One 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?
1. It prints two characters at a time
2. It prints larger dots
3. It prints more dots per character only
4. 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?
1. Paper motor
2. Platen motor
3. Print head motor
4. Carriage motor
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
3. Both 1 and 2 above
4. It prints faster than a dot matrix printer
The laser printer is what type of printer?
1. Electrostatic
2. Electrosensitive
3. Electrothermal
4. Impact
