8-8.
A parity bit is used for which of the
following purposes?
1. To regulate signal flow
2. To specify data type
3. To detect errors
4. Each of the above
8-9.
The receive buffer stores which of the
following information?
1. The output bit stream
2. The protocol signals
3. Serial bytes
4. Parallel bytes
8-10.
The voltage and current characteristics of
line drivers/receivers are dictated by which
of the following factors?
1. The format
2. The interface
3. Channel/port configurations
4. Type of circuitry (TTL or MOS)
8-11.
Type A (NTDS) Slow interface format is
able to transmit which of the following
number of bit groupings?
1. 16 only
2. 30 only
3. 32 only
4. 16, 30, or 32, depending on the type
of computer
8-12.
The data transmission rate for Type A
(NTDS) Slow format is limited by which
of the following factors?
1. The requirement to convert data from
serial to parallel
2. The type of equipment used
3. The large voltage change between
logic states
4. The long distance the transmission
must cover
8-13.
In Type D (NTDS SERIAL) interface
format, information frames are made up of
what total number of bits?
1.
32 bits
2.
16 bits
3.
3 bits
4.
8 bits
8-14.
Type D (NTDS SERIAL) interface format
can transmit digital signals up to which of
the following lengths?
1. 300 feet
2. 1000 feet
3. 1500 feet
4. The total length of the cable used
regardless of its length
8-15.
Type E (NATO SERIAL) format requires
which of the following I/O cables?
1. Coaxial
2. Triaxial
3. Dual coaxial
4. Twisted pairs
8-16.
Type E (NATO SERIAL) format is most
frequently used with which of the
following equipment?
1. Mainframe computers
2. Minicomputers
3. Microcomputers
8-17.
Type F (aircraft internal time division
multiplex [TDM] bus) interface format
transmits bit groupings consisting of what
total number of bits?
1. 16
2.
20
3.
30
4.
32
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