This set of VHDL Multiple Choice Questions & Answers (MCQs) focuses on “Asynchronous Preset and Clear”. 1. What type of inputs is preset and clear? a) Data input b) Output c) Clock input d) Control input 2. Clear (CLR) or preset (PRE) with a bar above them shows that they have ________ a) Active high … Read more
This set of VHDL Multiple Choice Questions & Answers (MCQs) focuses on “Synchronous and Asynchronous Reset”. 1. Reset is a signal that is used for the initialization of the hardware. a) True b) False 2. How many types of resets are there in hardware design? a) One b) Two c) Three d) Four 3. In … Read more
This set of VHDL written test Questions & Answers focuses on “Implementing Sequential Circuits with VHDL”. 1. A sequential logic can’t be executed by concurrent statements only. a) True b) False 2. Which of the following sequential circuit doesn’t need a clock signal? a) Flip flop b) Asynchronous counter c) Shift register d) Latch 3. … Read more
This set of Basic VHDL Questions and Answers focuses on “Implementing Gates with Different Modelling – 2”. 1. What is the minimum number of NAND gates required to implement an EXOR gate? a) 2 b) 3 c) 4 d) 5 2. Which of the following logic describes the EXOR gate? a) y <= ((not a) … Read more
This set of VHDL Multiple Choice Questions & Answers (MCQs) focuses on “Implementing Gates with Different Modelling – 1”. 1. Which of the following is a basic building block of digital logic? a) Wires b) Nets c) Gates d) Flip-flops 2. Which of the following gate is a universal gate? a) AND b) NAND c) … Read more
This set of VHDL Multiple Choice Questions & Answers (MCQs) focuses on “Flattening and Factoring of Functions”. 1. What is the process of flattening? a) Converting an optimized function to unoptimized form b) Converting a Boolean function to PAL format c) Converting a Boolean function to PLA format d) Converting a Boolean function to POS … Read more
This set of VHDL Problems focuses on “All Keywords in VHDL – 3”. 1. The use of NEXT in VHDL is similar to _________ in C. a) Break b) Continue c) Exit d) Do 2. NULL keyword is most of the time useful with _______ part of _______ statement. a) IF, IF b) ELSIF, IF … Read more
This set of VHDL Assessment Questions and Answers focuses on “All Keywords in VHDL – 2”. 1. When the keyword GUARDED is used, it is always mandatory that the statements inside will be executed concurrently. a) True b) False 2. Among the following, with which keyword MAP is generally used? a) IS b) PORT c) … Read more
This set of VHDL Multiple Choice Questions & Answers (MCQs) focuses on “All Keywords in VHDL – 1”. 1. What is the use of ABS keyword? a) To use only complete number b) To convert integer operand into real number c) To convert decimal real operand into integer d) To return absolute value of the … Read more
This set of VHDL Question Paper focuses on “Generate Statement”. 1. Generate statement is a _______ statement. a) Concurrent b) Sequential c) Concurrent as well as sequential d) Process 2. There are _______ types of GENERATE statement in VHDL. a) 2 b) 3 c) 4 d) 5 3. A generate statement is generally associated with … Read more
