11-61.
11-62.
11-63.
11-64.
The FORMAT WRITE PROTECT switch
on a disk memory unit’s status panel protects
the disk from being inadvertently formatted
by which of the following format
commands?
1. Commands from the computer only
2. Commands from the status/maintenance
panel only
3. Commands from the computer and the
status/maintenance panel
The functions performed by the disk
memory set’s controller microprocessor are
governed by which of the following
methods?
1. The firmware stored in a ROM
2. The software in the CDS computer
3. The firmware stored in the RAM
4. The software stored in the RAM
The buffer memory in the disk memory set’s
computer is used for which of the following
functions?
1. To prevent data from being read from the
disk during a write operation
2. To prevent data from being written on
the disk during a read operation
3. To prevent the loss of data when reading
or writing
4. To hold the external function from the
computer
A disk memory set is capable of reading and
writing data on the same disk at the same
time.
1. True
2. False
11-65.
11-66.
11-67.
11-68.
96
A single disk memory set controller is
capable of controlling a total of how many
drives?
1. One
2. Two
3. Three
4. Four
In a disk memory set’s controller to disk drive
interface, each drive is connected to the
controller by which of the following means?
1. A daisy chained A cable only
2. A daisy chained B cable only
3. Both a daisy chained A and a daisy
chained B cable
4. A daisy chained A cable and a unique B
cable
The A cable in a disk memory set’s controller
to drive interface is used for which of the
following functions?
1. Interrupt signal processing only
2. Send timing signals for read/write
operations only
3. Microprocessor control of the drives
4. Data interface between the drive and
controller
In a disk memory set, converting 16-bit
parallel data into a serial NRZ pulse train is a
function of which of the following areas?
1. Controller microprocessor
2. Controller buffer memory
3. Data bus control unit
4. Disk control logic
