Top 550+ Solved Digital Principles and System Design MCQ Questions Answer
Q. How many address bits are required to select memory location in Memory decoder?
a. 4 kb
b. 8 kb
c. 12 kb
d. 16 kb
Q. How memory expansion is done?
a. by increasing the supply voltage of the memory ics
b. by decreasing the supply voltage of the memory ics
c. by connecting memory ics together
d. by separating memory ics
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