NUMBER SYSTEM IN DIGITAL ELECTRONICS

In the decimal number system, what does the digit '5' represent in the number 345?

• 50
• 5,000
• 5
• 500

Which of the following is NOT a characteristic of the binary number system?

• Uses only 0 and 1
• Base 2
• Uses digits 0-9
• Used in digital circuits

Which number system uses the digits 0-7?

• Octal
• Decimal
• Hexadecimal
• Binary

What is the decimal equivalent of the octal number 37?

• 31
• 29
• 25
• 23

Which of the following is a characteristic of the hexadecimal number system?

• Used primarily in decimal calculations
• Base 8
• Only uses 0 and 1
• Uses digits 0-9 and letters A-F

What is the first step in converting a binary number to decimal?

• Count the digits
• Multiply by 2
• Add the digits
• Sum the powers of 2

What is the first step in converting a decimal number to binary?

• Multiply by 2
• Subtract 1
• Divide by 2
• Add 1

How do you convert a binary number to octal?

• Convert each digit to decimal
• Group binary digits into sets of four
• Group binary digits into sets of three
• Group binary digits into sets of two

How do you convert a hexadecimal number to binary?

• Convert each digit to its 8-bit binary equivalent
• Convert each digit to its 4-bit binary equivalent
• Convert each digit to its decimal equivalent
• Convert each digit to its 2-bit binary equivalent

Which number system is primarily used in microcontrollers?

• Decimal
• Hexadecimal
• Octal
• Binary