Advanced Amateur A-002-010 Logic Gates

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Practice Exam Section A-002-010 of the ISED Advanced Amateur Radio Examination.

This resource is part of the Advanced Amateur Certification website.

In a multivibrator circuit, when one transistor conducts, the other is: *

A-002-010-011

1 point

cut off

forward-biased

reverse-biased

saturated

What is an OR gate? *

A-002-010-002

1 point

A circuit that produces logic "1" at its output if all inputs are logic "0"

A circuit that produces a logic "0" at its output if all inputs are logic "1"

A circuit that produces a logic "1" at its output if any input is logic "1"

A circuit that produces a logic "0" at its output if any input is logic "1"

What is a NAND gate? *

A-002-010-001

1 point

A circuit that produces a logic "0" at its output only when all inputs are logic "1"

A circuit that produces a logic "1" at its output only when all inputs are logic "1"

A circuit that produces a logic "0" at its output if some but not all of its inputs are logic "1"

A circuit that produces a logic "0" at its output only when all inputs are logic "0"

What is an EXCLUSIVE OR gate? *

A-002-010-005

1 point

A circuit that produces a logic "1" at its output when all of the inputs are logic "0"

A circuit that produces a logic "1" at its output when all of the inputs are logic "1"

A circuit that produces a logic "0" at its output when only one of the inputs is logic "1"

A circuit that produces a logic "1" at its output when only one of the inputs is logic "1"

What is an EXCLUSIVE NOR gate? *

A-002-010-006

1 point

A circuit that produces a logic "0" at its output when all of the inputs are logic "1"

A circuit that produces a logic "1" at its output when only one of the inputs is logic "0"

A circuit that produces a logic "1" at its output when all of the inputs are logic "1"

A circuit that produces a logic "1" at its output when only one of the inputs are logic "1"

What is a NOR gate? *

A-002-010-003

1 point

A circuit that produces a logic "0" at its output only if all inputs are logic "0"

A circuit that produces a logic "0" at its output if any or all inputs are logic "1"

A circuit that produces a logic "1" at its output only if all inputs are logic "1"

A circuit that produces a logic "1" at its output if some but not all of its inputs are logic "1"

What is an AND gate? *

A-002-010-007

1 point

A circuit that produces a logic "1" at its output if all inputs are logic "0"

A circuit that produces a logic "1" at its output only if all its inputs are logic "1"

A circuit that produces a logic "1" at the output if at least one input is a logic "0"

A circuit that produces a logic "1" at its output only if one of its inputs is logic "1"

What is a flip-flop circuit? *

A-002-010-008

1 point

A binary sequential logic element with four stable states

A binary sequential logic element with eight stable states

A binary sequential logic element with two stable states

A binary sequential logic element with one stable state

What is a NOT gate (also known as an INVERTER)? *

A-002-010-004

1 point

A circuit that allows data transmission only when its input is high

A circuit that does not allow data transmission when its input is high

A circuit that produces a logic "0" at its output when the input is logic "1"

A circuit that produces a logic "1" at its output when the input is logic "1"

What type of digital logic is also known as a latch? *

A-002-010-010

1 point

A decade counter

An OR gate

A flip-flop

An op-amp

What is a bistable multivibrator? *

A-002-010-009

1 point

A clock

An AND gate

An OR gate

A flip-flop

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