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Programmable Logic Devices (pld)(Engineering > Electronics And Communication Engineering ) Questions and Answers
Home
Topic
Engineering
Electronics And Communication Engineering
Programmable Logic Devices (pld)
Question 1.
Which type of PLD should be used to program basic logic functions?
PLA
PAL
CPLD
SLD
Explanation:-
Answer: Option B. ->
PAL
Question 2.
PLAs, CPLDs, and FPGAs are all which type of device?
SLD
PLD
EPROM
SRAM
Explanation:-
Answer: Option B. ->
PLD
Question 3.
The OR array in a PAL is ________.
fixed
programmable
nonexistent; there is no OR array in a PAL
floating
Explanation:-
Answer: Option A. ->
fixed
Question 4.
Once a PAL has been programmed:
it cannot be reprogrammed.
its outputs are only active HIGHs
its outputs are only active LOWs
its logic capacity is lost
Explanation:-
Answer: Option A. ->
it cannot be reprogrammed.
Question 5.
The difference between a PLA and a PAL is:
the PLA has a programmable OR plane and a programmable AND plane, while the PAL only has a programmable AND plane
the PAL has a programmable OR plane and a programmable AND plane, while the PLA only has a programmable AND plane
the PAL has more possible product terms than the PLA
PALs and PLAs are the same thing.
Explanation:-
Answer: Option A. ->
the PLA has a programmable OR plane and a programmable AND plane, while the PAL only has a programmable AND plane
Question 6.
The content of a simple programmable logic device (PLD) consists of:
fuse-link arrays
thousands of basic logic gates
advanced sequential logic functions
thousands of basic logic gates and advanced sequential logic functions
Explanation:-
Answer: Option D. ->
thousands of basic logic gates and advanced sequential logic functions
Question 7.
The complex programmable logic device (CPLD) contains several PLD blocks and:
field-programmable switches
AND/OR arrays
a global interconnection matrix
a language compiler
Explanation:-
Answer: Option C. ->
a global interconnection matrix
Question 8.
The basic programmable logic array (PLA) contains a set of _____ gates, _____ gates, and ______ gates.
NOT, NAND, OR
NOT, AND, OR
NAND, AND, NOR
OR, NOR, AND
Explanation:-
Answer: Option B. ->
NOT, AND, OR
Question 9.
.
The basic programmable logic array (PLA) contains a set of _____ gates, _____ gates, and ______ gates.
NOT, NAND, OR
NOT, AND, OR
NAND, AND, NOR
OR, NOR, AND
Explanation:-
Answer: Option B. ->
NOT, AND, OR
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