Explore topic-wise MCQs in Digital Electronics.

This section includes 157 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Electronics knowledge and support exam preparation. Choose a topic below to get started.

151.

The JTAG signals are named TDI, TDO, TMS, and TCK.

A. 1
B.
C. 1
D.
Answer» B.
152.

What does the Altera FLEX10K PLD use in place of AND and OR arrays?

A. Nothing, it uses AND and OR arrays.
B. Look-up tables
C. SRAM-based memory
D. HPLD architecture
Answer» C. SRAM-based memory
153.

PALs tend to execute ________ logic.

A. SAP
B. SOP
C. PLA
D. SPD
Answer» C. PLA
154.

How many macrocells are in a MAX700S LAB?

A. 8
B. 16
C. 32
D. 64
Answer» C. 32
155.

A GAL is essentially a ________.

A. non-reprogrammable PAL
B. PAL that is programmed only by the manufacturer
C. very large PAL
D. reprogrammable PAL
Answer» E.
156.

CLB is the acronym for ________.

A. Configurable Logic Block
B. Configurable Logic Buffer
C. Critical Logic Buffer
D. Constant Logic Buffer
Answer» B. Configurable Logic Buffer
157.

The difference between a PLA and a PAL is:

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