MGMT 1030 Lecture Notes - Lecture 4: Post-Office Box
6 May 2018
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MGMT 1030 Tutorial 4 Notes – Layout of the little man computer
Introduction
• It is strength of the original model that it operates so similarly to a real computer
• It is still an accurate representation of the way that computers work thirty-five years
after its introduction.
• Using this model we will introduce a simplified
• Typical, set of instructions that a computer can perform.
• We will show you exactly how these instructions are executed in the Little Man
Computer.
• Then we will demonstrate how these instructions are combined to form programs.
• We begin by describing the physical layout of the Little Man Computer.
• A diagram for the Little Man Computer appears
• The LMC consists of a walled mail room, represented by the dark line surrounding the
model in the diagram.
• Inside the mailroom are several objects
• First, there is a series of one hundred mailboxes, each numbered with an address
ranging from 00 to 99.
• This numbering system is chosen because each mailbox address can be represented by
two digits
• This is the maximum number of mailboxes that can be represented by two decimal
digits.
• Each mailbox is designed to hold a single slip of paper, upon which is written a three-
digit decimal number.
• Note carefully that the contents of a mailbox are not the same as the address of a
mailbox.
• This idea is consistent with what you already know about your post office box
• Your post office box number identifies where you go to pick up your mail
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