Programmable Logic Devices (PLD)

Q1: Once a PAL has been programmed:

A it cannot be reprogrammed.

B its outputs are only active HIGHs

C its outputs are only active LOWs

D its logic capacity is lost

Q2: The content of a simple programmable logic device (PLD) consists of:

A fuse-link arrays

B thousands of basic logic gates

C advanced sequential logic functions

D thousands of basic logic gates and advanced sequential logic functions

Q3: Which type of PLD should be used to program basic logic functions?

A PLA

B PAL

C CPLD

D SLD

Q4: The complex programmable logic device (CPLD) contains several PLD blocks and:

A field-programmable switches

B AND/OR arrays

C a global interconnection matrix

D a language compiler

Q5: PLAs, CPLDs, and FPGAs are all which type of device?

A SLD

B PLD

C EPROM

D SRAM

Q6: The difference between a PLA and a PAL is:

A the PLA has a programmable OR plane and a programmable AND plane, while the PAL only has a programmable AND plane

B the PAL has a programmable OR plane and a programmable AND plane, while the PLA only has a programmable AND plane

C the PAL has more possible product terms than the PLA

D PALs and PLAs are the same thing.


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