Deck 13: Programmable Logic Devices PLDS and Field-Programmable Gate Arrays FPGAS

Question 1

How many types of PLD is?

A)2
B)3
C)4
D)5

Answer 1

2

Question 2

PLA refers to______________  

A)programmable loaded array
B)programmable array logic
C)programmable logic array
D)programmed array logic

Answer 2

programmable logic array

Question 3

The inputs in the PLD is given through

A)nand gates
B)or gates
C)nor gates
D)and gates

Answer 3

and gates

Question 4

Outputs of the AND gate in PLD is known as

A)input lines
B)output lines
C)strobe lines
D)control lines

Question 5

PLA contains______________        

A)and and or arrays
B)nand and or arrays
C)not and and arrays
D)nor and or arrays

Question 6

PLA is used to implement______________        

A)a complex sequential circuit
B)a simple sequential circuit
C)a complex combinational circuit
D)a simple combinational circuit

Question 7

A PLA is similar to a ROM in concept except that

A)it hasn't capability to read only
B)it hasn't capability to read or write operation
C)it doesn't provide full decoding to the variables
D)it hasn't capability to write only

Question 8

The complex programmable logic device contains several PLD blocks and______________    

A)a language compiler
B)and/or arrays
C)global interconnection matrix
D)field-programmable switches

Question 9

Which type of device FPGA are?

A)sld
B)srom
C)eprom
D)pld

Question 10

The difference between a PAL & a PLA is

A)pals and plas are the same thing
B)the pla has a programmable or plane and a programmable and plane, while the pal only has a programmable and plane
C)the pal has a programmable or plane and a programmable and plane, while the pla only has a programmable and plane
D)the pal has more possible product terms than the pla

Question 11

If a PAL has been programmed once

A)its logic capacity is lost
B)its outputs are only active high
C)its outputs are only active low
D)it cannot be reprogrammed

Question 12

The FPGA refers to______________        

A)first programmable gate array
B)field programmable gate array
C)first program gate array
D)field program gate array

Question 13

The full form of VLSI is______________        

A)very long single integration
B)very least scale integration
C)very large scale integration
D)very long scale integration

Question 14

In FPGA, vertical and horizontal directions are separated by______________        

A)a line
B)a channel
C)a strobe
D)a flip-flop

Question 15

Applications of PLAs are______________          

A)registered pals
B)configurable pals
C)pal programming
D)all of the mentioned

Question 16

PAL refers to______________        

A)programmable array loaded
B)programmable logic array
C)programmable array logic
D)programmable and logic

Question 17

For programmable logic functions, which type of PLD should be used?

A)pla
B)pal
C)cpld
D)sld

Question 18

How many two-input AND and OR gates are required to realize Y = CD+EF+G?

A)2, 2
B)2, 3
C)3, 3
D)3, 2

Question 19

The flag bits in an ALU is defined as

A)the total number of registers
B)the status bit conditions
C)the total number of control lines
D)all of the mentioned

Question 20

The logic circuits whose outputs at any instant of time depends only on the present input but also on the past outputs are called

A)combinational circuits
B)sequential circuits
C)latches
D)flip-flops

Question 21

The problem where process concurrency becomes an issue is called as______________      

A)philosophers problem
B)bakery problem
C)bankers problem
D)reader-writer problem