8-37.
All electronics used for the integrated drive
electronics interface are located in which of
the following areas?
1. The computer motherboard
2. The controller card
3. The integrated CPU
4. The ard drive
8-38.
The integrated drive electronics interface
can handle disk drives with a maximum
capacity of which of the following?
1. 1 MB
2. 80 MB
3. 180 MB
4. 300 MB
8-39.
The minimum number of conductors
required for I/O serial data operations is
which of the following?
1.
1
2.
2
3.
37
4.
4
8-40.
During asynchronous data exchange, a
frame of data must include which of the
following bits at a minimum?
1. One start bit
2. One stop bit
3. Seven character bits
4. All of the above
8-41.
During asynchronous data exchange, the
maximum number of bits for one frame of
data is which of the following?
8-42.
Compared to asynchronous data exchange,
synchronous data exchange has which of
the following advantages?
1. Faster speed
2. More reliability
3. Less electronics required
4. Fewer bits required for each character
8-43.
The generally accepted standard connector
for implementing an RS-232 connection
has what total number of pins?
1. 12
2. 25
3. 26
4.
32
8-44.
The protective ground, pin 1 of the RS-232
interface connector in the DTE/DCE mode
should always be connected to the shielded
cable shield at both ends.
1 . T r ue
2. False
8-45.
Pin 7 of the RS-232 interface connector in
the DTE/DCE mode should always be
connected at both ends for which of the
following reasons?
1. To complete the path for control
signals only
2. To provide a complete path for the
data signals only
3. To provide timing signals to the
peripheral device only
4. To provide a common reference for all
signals
1.
8
2.
9
3.
10
4.
11
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