HDL Based Design

Introduction

100

The creator of VHDL

U.S. Department of Defense

200

Give two programs/simulators that is compatible with both HDLs (Verilog and VHDL)

Questa

ModelSim

QSim

Icarus Verilog

300

What HDL makes these two signals different?

DAta1 and Data1

Verilog

400

In SystemVerilog, other than acting as an HDL, what is the other use for it?

HVL (Hardware Verification Language)

Verilog

100

The Value of 0 describes what condition?

False Condition

200

Give one example of a Net Data Type

Wires

Wand

Wor

Tri

Supply0

Supply1

300

The Symbol Caret (^) represents what bitwise operation?

XOR Operation

400

When using a NAND gate in our code, given that a and b are the input, and y is the output

Give the equivalent code when assigning y to a NAND operation

y = ~(a & b)

VHDL

100

Operator used for assigning value to a variable or constant

:=

200

Standard or Common used Data Type

std_logic

300

The meaning of VHDL

^{VHDL = VHSIC Hardware Description Language}

^{VHSIC = Very High Speed Integrated Circuit}

Very High Speed Integrated Circuit Hardware Description Language

400

Identify the missing logic gate to complete of this half adder circuit:

o_sum   <= i_bit1 ____ i_bit2;
o_carry <= i_bit1 ____ i_bit2;

xor

and