9-66. In addition to providing information on the
operating system and software programs, panels
on some minicomputers provide which of
following controls and indicators?
1. Power only
2. Temperature only
3. Power and temperature
9-67. Internal diagnostics, called built-in tests (BITs),
are designed to perform tests on which of the
following devices?
1. CPUs only
2. IOCs only
3. CPUs and IOCs only
4. CPUs, IOCs, and any optional circuits
9-68. The pass/fail results of BITs will be displayed on
the front panel. To decipher an error code from a
failed test result and find the location of the
module that may fix the problem, you should take
which of the following actions?
1. Ask the senior DS
2. Look at the fault isolation table
3. Write down the error code and submit it to the
trouble-shooting desk
4. Write down the error code and submit it to
your supervisor
9-69. To configure a mainframe computer for reduced
capability, you need to know which of the
following information?
1. The capabilities and limitations of the system
only
2. How to set the controls and switches on the
computer and the switchboard only
3. How to set the controls and switches on the
switchboard panels and the display and
communications subsystems
4. The capabilities and limitations of the system,
and how to set the switches on the computer,
the switchboard panels, and the
communications subsystems
9-70. Power to a mainframe computer is critical. Which
of the following methods may be used to ensure
there is stable power?
1. Circuit breaker protection
2. Indicators for blower and logic to show if
there is stable power
3. Interrupts to indicate power fluctuations
4. Each of the above
9-71. In addition to controls, switches, and pushbutton
indicators, newer mainframe computers use which
of the following devices to display status
information and address the contents of registers?
1. Displays only
2. Keyboards only
3. Displays and keyboards
4. Keyboards and voice generated messages
9-72. On mainframe computers, internal diagnostics to
test hardware and return pass/fail results may
include which of the following types?
1. Diagnostics on tape or disk
2. Built-in tests (BITs)
3. Tests on NDRO
4. Both 2 and 3 above
9-73. To perform bootstrap on a minicomputer or
mainframe computer, what type of memory is
used?
1. DRAM
2. SRAM
3. CMOS RAM
4. NDRO
9-74. Inspect and change routines are used on
minicomputers and mainframe computers for
which of the following purposes?
1. To ensure the software is operating properly
2. To patch or revise software
3. To change hardware configurations
4. To change software/hardware interfaces
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