4-23.
The power supply must protect the
computer from which of the following
elements?
1. Incoming power
2. Distributed power
3. Internal cabinet and/or module
temperature
4. All of the above
4-24.
A power supply will shut off while the
computer is running under what
condition(s), if any?
1. A low overtemperature condition
2. A high overtemperature condition
o n l y
3. A high overtemperature condition and
an overcurrent condition
4. None
IN ANSWERING QUESTIONS 4-25 THROUGH
4-31, SELECT FROM THE FOLLOWING LIST
THE SIGNAL GENERATED UNDER THE
SPECIFIC CONDITION DESCRIBED IN EACH
QUESTION.
1. POWER INTERRUPT (PI)
2. MASTER CLEAR (MC),
AUTOMATIC
3. STOP
4-25.
4-26.
4-27.
4-28.
4-29.
Used for computer initialization after
power has been applied.
Source power falls below specifications
and returns to normal.
Generates a class I interrupt.
Logic power goes out of tolerance.
Source power is lost or computer cabinet is
shut off.
4-30.
4-31.
4-32.
4-33.
4-34.
4-35.
Generated a specific period after a PI
occurs.
Prevents loss of memory data if logic
power is lost faster than normal turn-off
sequence can occur.
To indicate that power requirements have
been met, what digital active signals are
generated by a microcomputer’s power
supply?
1. LEDs only
2. Ac only
3. Dc only
4. Ac and dc
To provide protection to the computer,
which of the following devices are placed
in line with the power source?
1. Compensators only
2. Line conditioners only
3. Surge protectors only
4. Compensators, line conditioners, and
surge protectors
Which of the following protective devices
provide protection against brownouts?
1. ABTs
2. Surge protectors
3. Line conditioners only
4. Compensators and line conditioners
Line conditioners can provide all of the
following protection except which one?
1. Suppress over-voltage
2. Filter input power
3. Bridge brownouts
4. Provide ac input voltage
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