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Introduction to Computer Science

A short introduction to binary and data

Berni Smith

on 4 March 2013

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Transcript of Introduction to Computer Science

Using Binary 11100 10011 11111 10000 11000 0 + - = 9 8 7 1 2 3 4 5 6 c Plenary Objectives To understand how a computer
interprets information

To know what binary is and how
important it is in storing and
retrieving information How does my computer store data? How could we make our app? What is Computer Science? Is it programming? Introduction to Computer Science Computer does not
understand our
language Bits and bytes in my computer Bits and Bytes
a bit is short for
binary digit (b....... ...it)
it only has two
possible values, 0 or 1 When you typed your name out,
the size of each letter and each
space was a byte. How many bytes are in your name?
type your name on your Word
document and write how many
bytes are in it – a space counts as a byte useful computer Write down one thing that you learned today that you didn't know before this lesson A tool Science of
solving Problem example What language does the computer speak? We count in base 10
or decimal
or denary 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 Watch
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