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Subel. D
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60 questions
B
48 questions
C
60 questions
D
60 questions
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30 questions
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42 questions
6 questions
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Subelement D
Display & Control Systems
Section 35
Memory Systems
8
35D1
In a digitized RADAR, the 360 degree sweep is divided into how many digitized segments?
A.
16
B.
64
C.
255
Correct Answer
D.
4
,
096
8
35D1
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8
35D2
While troubleshooting a memory problem in a raster scan RADAR, you discover that the "REFRESH" cycle is not operating correctly. What type of memory circuit are you working on?
A.
SRAM
Correct Answer
B.
DRAM
C.
ROM
D.
PROM
8
35D2
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8
35D3
The term DRAM stands for:
A.
Digital refresh access memory.
B.
Digital recording access memory.
Correct Answer
C.
Dynamic
random
access memory.
D.
Digital response area motion.
8
35D3
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8
35D4
How does the dual memory function reduce sea clutter?
Correct Answer
A.
Successive
sweeps
are
digitized
and
compared
. Only signals appearing in both
sweeps
are
displayed
.
B.
The dual memory system makes the desired targets larger.
C.
It reduces receiver gain for closer signals.
D.
It increases receiver gain for real targets.
8
35D4
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8
35D5
How many sequential memory cells with target returns are required to display the target?
A.
1
Correct Answer
B.
2
C.
4
D.
8
8
35D5
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8
35D6
What is the primary purpose of display system memory?
Correct Answer
A.
Eliminate
fluctuating
targets such as
sea
return
.
B.
Display stationary targets.
C.
Display the last available targets prior to a power dropout.
D.
Store target bearings.
8
35D6
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