2-30. Conductors are separated by the dielectric core.
1. A
2. B
3. C
4. D
2-31. Can be terminated with card-edge connectors or
IDCs.
1. B
2. C
3. D
4. E
2-32. Can have up to 120 conductors.
1. A
2. B
3. C
4. D
2-33. Capable of transmitting a 20-Mhz signal with
minimum loss and no distortion.
1. A
2. B
3. C
4. D
2-34. Used for serial transfer of data only.
1. D only
2. E only
3. D and E
4. A, B, and C
2-35. What is the most critical piece of equipment in any
data system?
1. Memory
2. Computer
3. Connector
4. Disk drive
2-36. In cooling systems, what four methods of cooling
are used?
1. Convection, forced air, air-to-air, and
air-to-liquid
2. Forced air, air-to-air, microwaved, and
convection
3. Air-to-liquid, air-to-air, microwaved, and
forced air
4. Air-to-air, forced air, external fan-blown, and
convection
2-37. What type of operator control is used to alter the
speed of an internal computer clock or vary the
intensity of indicators?
1. Thumbwheel switch
2. Potentiometer
3. Pushbutton
4. Mouse
2-38. To provide status information to the computer
operator, which of the following devices may be
used?
1. Dot matrix display only
2. Light-emitting diodes only
3. Dot matrix display and light-emitting diodes
4. Mouse devices
2-39. What is the simplest way to show the status of an
operation or the selection of an item?
1. Send a message to a printer
2. Send a message to disk
3. Turn on a light
4. Sound an alarm
2-40. All of the following are types of indicators except
which one?
1. Backlit
2. Opaque
3. Clear
4. Color
2-41. Protective devices can serve as controls.
1. True
2. False
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