106. OCR A Level (H446) SLR15 – 1.4 D-type flip flops

About this video

OCR Specification Reference
A Level 1.4.3e

A D-type flip-flop is an important logic circuit diagram to be aware of for the exam. In this video we explain its purposes and principles as well as how and where it is used in a computer.

Key question:

- What is the purpose of D-type flip-flops and where are they used in a computer?

00:00 D-type flip-flops
00:05 Intro
00:10 A note about what you need to know for the exam
01:12 The basics
03:56 How do they store or maintain values?
06:32 Summary and uses
07:18 D-type flip-flops in more detail
11:33 Key question
11:43 Going beyond the specification
11:50 Digging a little deeper
13:00 Gated D latch
13:48 Digging a little deeper continued
14:37 Edge detection device
17:09 A true D-type flip-flop circuit
18:51 Outro

Last updated: 23.07.26

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