POP QUIZ ECE 351 FOR TEST 2

What is the primary function of a multiplexer (MUX)?

• • To select one of several input signals and route it to the output.

• To compare two binary numbers and determine their relationship

• • To convert decimal to octal

What is not the term for the output of a comparator

• =

• >

• <

• =>

What does a D flip-flop do with its input when the clock signal is high?

• 
  

• No output

• • It keeps the toggled output

• • It keeps the output the same.

  
  

• • It keeps the low output .

What is the output condition of a J-K flip-flop when both J and K are high?

• No change

• Toggle

• Invalid output

• Reset

How many J-K flip-flops are used while designing a counter in the left figure?

• 5

• 1

• 2

• 3