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# Describing Logic Circuits Online Exam Quiz

Important questions about Describing Logic Circuits. Describing Logic Circuits MCQ questions with answers. Describing Logic Circuits exam questions and answers for students and interviews.

### 1. The special software application that translates from HDL into a grid of 1's and 0's, which can be loaded into a PLD, is called a:

Options

A : formatter.

B : compiler.

C : programmable wiring.

D : CPU.

### 2. In VHDL, the mode of a port does not define:

Options

A : an input.

B : an output.

C : both an input and an output.

D : the TYPE of the bit.

Options

A : a

B : b

C : c

D : d

Options

A : an AND gate.

B : a NAND gate.

C : a NOR gate.

D : an inverter.

### 5. Which of the examples below expresses the associative law of addition:

Options

A : A + ( B + C ) = ( A + B ) + C

B : A + ( B + C ) = A + ( BC )

C : A ( BC ) = ( AB ) + C

D : ABC = A + B + C

Options

A : a

B : b

C : c

D : d

### 9. The logic gate that will have HIGH or "1" at its output when any one of its inputs is HIGH is a(n):

Options

A : NOR gate

B : OR gate

C : AND gate

D : NOT operation

Options

A : a

B : b

C : c

D : d

Options

A : a

B : b

C : c

D : d

Options

A : a

B : b

C : c

D : d

Options

A : a

B : b

C : c

D : d

Options

A : AND

B : OR

C : NAND

D : NOR

### 9. A small circle on the output of a logic gate is used to represent the:

Options

A : Comparator operation.

B : OR operation.

C : NOT operation.

D : AND operation.

Options

A : True

B : False

C :

D :

Options

A : True

B : False

C :

D :

Options

A : True

B : False

C :

D :

Options

A : True

B : False

C :

D :

Options

A : True

B : False

C :

D :

Options

A : True

B : False

C :

D :

Options

A : True

B : False

C :

D :