10-54. Which of the following parity checks uses a
check frame?
1. Odd
2. Even
3. Lateral
4. Longitudinal
10-55. Each bit in the check frame contains the parity
bit for all the ONEs in a particular
1. file
2. frame
3. record
4. track
10-56. Which of the following is NOT a function of the
magnetic tape controller?
1. Receives data and commands from the
computer
2. Reformats data into frame-size bytes
3. Detects BOT
4. Checks parity
10-57. What is the tape speed for all read, write, and
search operations, in inches per second?
1.
100
2.
120
3.
180
4.
200
10-58. Tapes without a write-enabling ring are protected
from the write operation.
1. True
2. False
10-59. What MTU operation compares the first word of
each record to a specified key?
1. Read
2. Search
3. Space file
4. Write
10-60. During a rewind operation, what signal will cause
tape motion to stop?
1. BOT
2. EOT
3. Low tape
4. Start of file tape mark
10-61. MTU operations that can be performed offline
using the microprogrammed controller (MPC) are
determined by the MPC program installed by the
1. operator
2. computer
3. manufacturer
4. maintenance technician
10-62. What functional area of a magnetic tape unit
decodes external function words from the
computer?
1. System control panel
2. Maintenance panel
3. Magnetic tape transport
4. Control unit
10-63. The MPC transmits data via which of the
following data buses?
1. Source bus only
2. Destination bus only
3. Source and destination buses
4. ROM bus only
10-64. Which of the following control unit functions is
NOT performed by the MPC?
1. Frame count checking for lost frames
2. Start/stop delay initiation
3. Read/write signal amplification
4. Search operations comparisons
10-65. Which of the following components contains
controls and indicators for manual offline
operations?
1. The maintenance panel
2. The system control panel
3. The magnetic tape transport
4. The microprogrammed controller
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