034. OCR A Level (H046-H446) SLR7 – 1.2 Assembly language and LMC language

About this video

OCR Specification Reference
AS Level 1.2.3b
A Level 1.2.3b
A Level 1.2.4c

This video provides an introduction to Assembly language by following the writing of simple programs using the Little Man Computer simulator. You will need to be familiar with this language for your exam.

Key question:

- What are the features of assembly language?

00:00 Assembly language and LMC language
00:11 Intro
00:16 What is assembly language?
01:06 Little Man Computer (LMC) instruction set
01:39 Little Man Computer simulators
01:56 In RAM
02:13 Inside the CPU
02:57 Input Tray
03:03 Output Area
03:10 Program counter and accumulator
03:29 Mnemonics
03:52 Labels
04:41 Input and intermediate output boxes
04:57 LMC code
05:36 LMC simulation
06:04 Things to notice
06:47 What does this program do?
06:57 The answer
09:16 Key question
09:26 Outro

Last updated: 25.03.26

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