4ESO. TECNOLOGIA. UNIT 5. TEST. DIGITAL ELECTRONIC

What is DIGITAL ELECTRONICS?

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OFF

What are the advantages of digital systems over analog systems?

• More energy consumption, cheaper, more durable

• Less energy consumption, expensive, fragile

• Less degradation due to noise, easier data storage, interface with computers

• More degradation due to noise, harder data storage, no interface with computers

What is the hexadecimal system used for in computing?

• Simplify numerical terms with very long extensions

• Convert analog signals to digital signals

• Store data in binary format

• Perform complex mathematical calculations

What does the NOT logic gate do?

• Performs the Boolean function of negation of a logic variable

• Performs logical addition operation

• Performs the negation of the logic gate AND

• Performs the negation of the logic gate OR

What does the OR gate do?

• Allows the output to be 1 if any input is 1

• Performs the negation of the logic gate AND

• Performs the negation of the logic gate OR

• Performs logical addition operation

What does the AND gate do?

• Performs the negation of the logic gate AND

• Performs logical addition operation

• Performs the negation of the logic gate OR

• Performs the Boolean logic product function

What is a CHIP?

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What are the steps to design an electronics circuit?

• Construct the truth table, find the logic function, simplify the logic function, represent the logic circuit

• Construct the truth table, find the logic function, perform complex calculations, draw the circuit diagram

• Construct the truth table, find the logic function, simplify the logic function, write a report

• Construct the truth table, find the logic function, simplify the logic function, test the circuit

What is the number 17 in binary code?

• 1001

• 10001

• 1111

• 10101

What is the number 20 in hexacimal code?

• 10

• 14

• A1

• AF