WJEC GCSE Electronics sequential systems quiz quiz
14questions. Pick an answer and you'll see why right away.
What makes a flip-flop a sequential, rather than a combinational, circuit?
On the rising edge of the clock, a rising-edge-triggered D-type flip-flop:
Between clock edges, the output Q of a D-type flip-flop:
What is the output Q-bar of a D-type flip-flop?
Connecting a D-type's Q-bar output back to its D input makes it:
A single toggling flip-flop divides the clock frequency by:
A 2-bit binary up-counter counts through which sequence?
What is the highest decimal number a 2-bit binary counter reaches?
A decade counter counts up to which number before resetting?
What does BCD (binary-coded decimal) represent?
What block is needed between a BCD counter and a seven-segment display?
A key feature of the 4017 decade counter is that:
To make a counter repeat a shorter sequence, you:
To make a 4017 count 0 to 5 (six steps), which output is connected to reset?