VHDL Questions and Answers – Data Conversion

This set of VHDL Multiple Choice Questions & Answers (MCQs) focuses on “Data Conversion”. 1. Refer to the VHDL code given below, which of the following line has error? Line 1: SUBTYPE my_logic IS STD_LOGIC RANGE ‘0’ TO ‘1’; Line 2: SIGNAL a: BIT; Line 3: SIGNAL b: STD_LOGIC; Line 4: SIGNAL c: my_logic; Line … Read more

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VHDL Questions and Answers – User defined Data Types

This set of VHDL Multiple Choice Questions & Answers (MCQs) focuses on User defined Data Types”. 1. How the keyword “TYPE” is used? a) TYPE datatype_name IS type_from_predefined_datatypes; b) TYPE datatype_name IS datatype_range; c) TYPE datatype_range IS datatype_name; d) USE TYPE datatype_range IS datatype_name; 2. Which of the following is a wrong declaration for a … Read more

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VHDL Questions and Answers – Data Objects and Types

This set of VHDL Interview Questions and Answers focuses on “Data Objects and Types”. 1. SIGNED and UNSIGNED data types are defined in which package? a) std_logic_1164 package b) std_logic package c) std_logic_arith package d) standard package 2. What is the correct method to declare a SIGNED type signal ‘x’? a) SIGNAL x : IN … Read more

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VHDL Questions and Answers – Architecture

This set of VHDL Multiple Choice Questions & Answers (MCQs) focuses on “Architecture”. 1. What does the architecture of an entity define? a) External interface b) Internal functionality c) Ports of the entity d) Specifications 2. Which of the following is the correct syntax for architecture declaration and definition? a) ARCHITECTURE architecture_type OF entity_name IS … Read more

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VHDL Questions and Answers – Entity and Its Declaration

This set of Advanced VHDL Questions and Answers focuses on “Entity and Its Declaration”. 1. Which of the following is not defined by the entity? a) Direction of any signal b) Names of signal c) Different ports d) Behavior of the signals 2. Which of the following can be the name of an entity? a) … Read more

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VHDL Questions and Answers – Common Terms used in VHDL

This set of VHDL Multiple Choice Questions & Answers (MCQs) focuses on “Common Terms used in VHDL”. 1. Which of the following is the basic building block of a design? a) Architecture b) Entity c) Process d) Package 2. A package in VHDL consists of _________ a) Commonly used architectures b) Commonly used tools c) … Read more

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VHDL Questions and Answers – Need of HDLs

This set of VHDL Questions & Answers for Exams focuses on “Need of HDLs”. 1. In what aspect, HDLs differ from other computer programming languages? a) No aspect; both are same b) HDLs describe hardware rather than executing a program on a computer c) HDLs describe software and not hardware d) Other computer programming languages … Read more

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VHDL Questions and Answers – EDA Tools

This set of VHDL Multiple Choice Questions & Answers (MCQs) focuses on “EDA Tools”. 1. What is the full form of VHDL? a) Verilog Hardware Description Language b) Very High speed Description Language c) Variable Hardware Description Language d) Very high speed Hardware Description Language 2. What is the basic use of EDA tools? a) … Read more

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Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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