Digit II

How is a J-K flip-flop made to toggle?

• J = 0, K = 0
• J = 1, K = 0
• J = 0, K = 1
• J = 1, K = 1

Which is typically the longest: bit, byte, nibble, word?

• Bit
• Word
• Byte
• Nibble

What are the symbols used to represent digits in the binary number system?

• 0,1,2
• 0,1
• 1,2
• 0 through 8

The output of an AND gate is LOW ________.

• all the time
• when any input is LOW
• when all inputs are HIGH
• when any input is HIGH

Which of the circuits in figure (a to d) is the sum-ofproducts implementation of figure (e)?

• a
• b
• c
• d

Which of the following logic expressions represents the logic diagram shown?

• X=(AB)’+AB
• X=AB’+A’B
• X=A’B’+AB
• X=(AB)’+A’B’

The device shown here is most likely a ________

• Comparator
• Inverter
• Demultiplexer
• Multiplexer

What gate is this table for?

• AND
• NOT
• NOR
• OR

What will the circuit's output be?

• 1
• 0

What kind of gate is this?

• XOR
• NAND
• OR
• NOR