$2.$ Which language is commonly used for the formal description of electronic circuits?

A$)$ C$++$

B$)$ Python

C$)$ VHDL

D$)$ Java

$3.$ What is the primary objective of using VHDL in digital circuit design?

A$)$ Modeling circuits

B$)$ Implementing hardware

C$)$ Software development

D$)$ Simulation testing

$4.$ What is the key difference between HDLs and programming languages?

A$)$ HDLs focus on software development

B$)$ Programming languages describe hardware circuits

C$)$ HDLs are used for circuit description, and not programming languages

D$)$ Programming languages are used for simulation only

$5.$ Which design rule is emphasized for complex designs?

A$)$ Karnaugh maps

B$)$ State minimization

C$)$ Hierarchical design

D$)$ Component reuse

$6.$ What is the primary purpose of synthesizable VHDL$?$

A$)$ Circuit modeling

B$)$ Hardware implementation

C$)$ Simulation testing

D$)$ Software development

$7.$ Which component is used to represent the interface of a circuit in VHDL$?$

A$)$ Entity

B$)$ Architecture

C$)$ Signal

D$)$ Component

$8.$ What is the main limitation of VHDL$?$

A$)$ Limited control on physical hardware layout VLSI

B$)$ Analog circuit design

C$)$ Easy syntax

D$)$ Independent of synthesis tools