Explore topic-wise MCQs in Digital Circuits.

This section includes 27 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Circuits knowledge and support exam preparation. Choose a topic below to get started.

1.

Applications of PLAs are _____________

A. Registered PALs
B. Configurable PALs
C. PAL programming
D. All of the Mentioned
Answer» E.
Discussion
2.

In FPGA, vertical and horizontal directions are separated by ____________

A. A line
B. A channel
C. A strobe
D. A flip-flop
Answer» C. A strobe
Discussion
3.

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
Answer» D. Very Long Scale Integration
Discussion
4.

The FPGA refers to ____________

A. First programmable Gate Array
B. Field Programmable Gate Array
C. First Program Gate Array
D. Field Program Gate Array
Answer» C. First Program Gate Array
Discussion
5.

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
Answer» E.
Discussion
6.

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
Answer» C. The PAL has a programmable OR plane and a programmable AND plane, while the PLA only has a programmable AND plane
Discussion
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
Answer» D. It hasn’t capability to write only
Discussion
8.

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
Answer» D. A simple combinational circuit
Discussion
9.

PLA contains ____________

A. AND and OR arrays
B. NAND and OR arrays
C. NOT and AND arrays
D. NOR and OR arrays
Answer» B. NAND and OR arrays
Discussion
10.

Outputs of the AND gate in PLD is known as ____________

A. Input lines
B. Output lines
C. Strobe lines
D. Control lines
Answer» C. Strobe lines
Discussion
11.

PAL refers to ____________

A. Programmable Array Loaded
B. Programmable Logic Array
C. Programmable Array Logic
D. Programmable AND Logic
Answer» D. Programmable AND Logic
Discussion
12.

The inputs in the PLD is given through ____________

A. NAND gates
B. OR gates
C. NOR gates
D. AND gates
Answer» E.
Discussion
13.

THE_DIFFERENCE_BETWEEN_A_PAL_&_A_PLA_IS?$

A. PALs and PLAs are the same thing
B. The PAL has a programmable OR plane and a programmable AND plane, while the PLA only has a programmable AND plane
C. The PLA has a programmable OR plane and a programmable AND plane, while the PAL only has a programmable AND plane
D. The PAL has more possible product terms than the PLA
Answer» C. The PLA has a programmable OR plane and a programmable AND plane, while the PAL only has a programmable AND plane
Discussion
14.

The FPGA refers to$

A. First programmable Gate Array
B. Field Programmable Gate Array
C. First Program Gate Array
D. Field Program Gate Array
Answer» C. First Program Gate Array
Discussion
15.

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
Answer» E.
Discussion
16.

Applications of PLAs are

A. Registered PALs
B. Configurable PALs
C. PAL programming
D. All of the Mentioned
Answer» E.
Discussion
17.

In FPGA, vertical and horizontal directions are separated by

A. A line
B. A channel
C. A strobe
D. A flip-flop
Answer» C. A strobe
Discussion
18.

The full form of VLSI is

A. Very Long Single Integration
B. Very Least Scale Integration
C. Very Large Scale Integration
D. None of the Mentioned
Answer» D. None of the Mentioned
Discussion
19.

Which type of device FPGA are?

A. SLD
B. SROM
C. EPROM
D. PLD
Answer» E.
Discussion
20.

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
Answer» D. Field-programmable switches
Discussion
21.

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

A. PLA
B. CPLD
C. PAL
D. SLD
Answer» C. PAL
Discussion
22.

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
Answer» D. It hasn‚Äö√Ñ√∂‚àö√ë‚àö¬•t capability to write only
Discussion
23.

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
Answer» D. A simple combinational circuit
Discussion
24.

PLA contains

A. AND and OR arrays
B. NAND and OR arrays
C. NOT and AND arrays
D. NOR and OR arrays
Answer» B. NAND and OR arrays
Discussion
25.

Outputs of the AND gate in PLD is known as

A. Input lines
B. Output lines
C. Strobe lines
D. None of the Mentioned
Answer» C. Strobe lines
Discussion
26.

PAL refers to

A. Programmable Array Loaded
B. Programmable Logic Array
C. Programmable Array Logic
D. None of the Mentioned
Answer» D. None of the Mentioned
Discussion
27.

The inputs in the PLD is given through

A. NAND gates
B. OR gates
C. NOR gates
D. AND gates
Answer» E.
Discussion