Top 550+ Solved Digital Principles and System Design MCQ Questions Answer
Q. How many 1024 * 1 RAM chips are required to construct a 1024 * 8 memory system?
a. 4
b. 6
c. 8
d. 12
Q. Why antifuses are implemented in a PLD?
a. to protect from high voltage
b. to increase the memory
c. to implement the programmes
d. as a switching devices
Q. PLA refers to
a. programmable loaded array
b. programmable array logic
c. programmable logic array
d. programmed array logic
Q. PAL refers to
a. programmable array loaded
b. programmable logic array
c. programmable array logic
d. programmable and logic
Q. Outputs of the AND gate in PLD is known as
a. input lines
b. output lines
c. strobe lines
d. control lines
Q. PLA contains
a. and and or arrays
b. nand and or arrays
c. not and and arrays
d. nor and or arrays
Q. 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
Q. 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
Q. 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
Q. 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