16. Most look-up tables in field-programmable gate arrays (FGPAs) use ________ inputs, resulting in ________ possible outputs.
(a) 4,16
(b) 8,16
(c) 4,12
(d) 6,12
17. A circuit that implements a combinational logic function by storing a list of output values that correspond to all possible input combinations is a(n) ________.
(a) output logic macrocell
(b) look-up table
(c) parallel logic expander
(d) logic element
18. Each programmable array logic (PAL) gate product is applied to an OR gate and, if combinational logic is desired, the product is ORed and then:
(a) the polarity fuse is restored
(b) sent to an inverter for output
(c) sent immediately to an output pin
(d) passed to the AND function for output
19. The complex programmable logic device (CPLD) features a(n) ________ type of memory.
(a) volatile
(b) nonvolatile
(c) EPROM
(d) volitile EPROM
20. The complex programmable logic device (CPLD) contains several PAL-type simple programmable logic devices (SPLDs) called:
(a) macrocells
(b) microcells
(c) AND/OR arrays
(d) fuse-link arrays
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