Flip-Flop Basics
Clocking & Timing
Flip-Flop Applications
Pop Culture from 2008
The Sandlot and Jurassic Park
100

This type of logic circuit uses memory elements and a clock to store past information.

What is sequential logic?

100

This clock transition is also known as a positive edge.

What is the rising edge of the clock?

100

This circuit detects an input event and holds it until it is cleared.

What is an event detector?

100

This singer released the hit album Fearless in 2008, launching her into pop superstardom.

Who is Taylor Swift?

100

This 1993 film famously warned that “Life finds a way.”

What is Jurassic Park?

200

This flip-flop copies its input directly to the output on the active clock edge.

What is a D flip-flop?

200

The time data must be stable before the clock edge is called this.

What is setup time?

200

This application ensures multiple signals change state at the same time despite gate delays.

What is a data synchronizer?

200

“Single Ladies (Put a Ring on It)” became a cultural phenomenon after being released by this artist in 2008.

Who is Beyoncé?

200

In The Sandlot, this piece of sporting equipment becomes trapped behind a fence guarded by “The Beast.”

What is a baseball?

300

In a J/K flip-flop, this input combination causes the output to toggle.

What is J = 1 and K = 1?

300

The time data must remain stable after the clock edge is called this.

What is hold time?

300

This flip-flop-based circuit reduces an input clock frequency by a factor of two.

What is a frequency divider?


300

This vampire-themed book series and movie franchise exploded in popularity in 2008.

What is Twilight?

300

This fictional dinosaur theme park was created by John Hammond.

What is Jurassic Park?

400

These two asynchronous inputs override the clock and force a flip-flop to a known state.

What are preset (PR) and clear (CLR)?

400

A flip-flop that triggers on the falling edge of the clock is described as this.

What is negative-edge triggered?

400

A group of flip-flops that move data one position per clock cycle is called this.

What is a shift register?

400

This video game franchise released World at War in 2008, continuing its annual blockbuster streak.

What is Call of Duty?

400

This character earns the nickname “The Great Hambino” in The Sandlot.

Who is Babe Ruth?


500

This is the key difference between a latch and a flip-flop regarding how outputs change.

What is level-sensitive vs edge-sensitive operation?

500

This illegal condition occurs when both preset and clear inputs are activated at the same time.

What is PR = 0 and CLR = 0?

500

The 74LS194 is an example of this type of MSI device.

What is a bidirectional universal shift register?

500

In 2008, this TV series ended after four seasons and is often cited as one of the most influential shows ever made.

What is Breaking Bad?

500

Both The Sandlot and Jurassic Park prominently feature this childhood fear.

What is “facing something much bigger than yourself” (or simply, “being afraid of a powerful creature”)?

M
e
n
u