Explore topic-wise MCQs in Digital Circuits.

This section includes 12 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