Upload
marsha-horton
View
212
Download
0
Embed Size (px)
Citation preview
KEYWORDS
Do it now activityCan you work out what the missing symbols are and work out the order they should be in if the table shows smallest to largest
KB kilobyteTB terabyte
GB gigabyte
MB megabyte
1. List the different units of data and their respective values
2. Understand how knowing the size of software you want to run can help to make it run more efficiently
LEARNING OBJECTIVES
KEYWORDS
LEARNINGOBJECTIVES
ASCIITextData
NumbersSymbolsCapacity
Characters
Characters
New Learning
Images
Sound
Instructions
ASCII Video
Describe how characters are stored in a computer system using ASCII and how this improves efficiencyDecode a message given to you in ASCII
KEYWORDS
Talk Task
LEARNINGOBJECTIVES
What is a character?What is ASCII?What is a character set?How does using ASCII make using a computer easier?
ASCIITextData
NumbersSymbolsCapacity
Characters
Describe how characters are stored in a computer system using ASCII and how this improves efficiencyDecode a message given to you in ASCII
KEYWORDS
Learning Development
LEARNINGOBJECTIVES
Text to ASCII to BINARY converter
ASCII table
ASCIITextData
NumbersSymbolsCapacity
Characters
0100110101100001011100100110001101101000011000010110111001110100
Describe how characters are stored in a computer system using ASCII and how this improves efficiencyDecode a message given to you in ASCII
KEYWORDS
Independent Task
LEARNINGOBJECTIVES
Using the sheet your teacher has given you find out what your name would look like using ASCII code.
Then have a go at the ASCII exercise sheet.
ASCIITextData
NumbersSymbolsCapacity
Characters
Describe how characters are stored in a computer system using ASCII and how this improves efficiencyDecode a message given to you in ASCII
KEYWORDS
Independent Task
LEARNINGOBJECTIVES
Level 5: Explain how each character is stored on the computer using ASCII code.
Level 6: Explain what the computer is actually doing when you type a word on the keyboard and it appears on screen in a word processor.
Level 7: Explain how being able to write characters rather than their binary representation helps to make using a computer more efficient.
ASCIITextData
NumbersSymbolsCapacity
Characters
Describe how characters are stored in a computer system using ASCII and how this improves efficiencyDecode a message given to you in ASCII
KEYWORDS
Extension
LEARNINGOBJECTIVES
Completed this?
Can you find out what message I have sent to you?
77 105 115 115 32 77 97 114 99 104 97 110 116 32 105 115 32 116 104 101 32 98 101 115 116 32 116 101 97 99 104 101 114 33
ASCIITextData
NumbersSymbolsCapacity
Characters
Describe how characters are stored in a computer system using ASCII and how this improves efficiencyDecode a message given to you in ASCII
KEYWORDS
Plenary
LEARNINGOBJECTIVES
Write a coded message using ASCII for the class and see who can work it out fastest.
ASCIITextData
NumbersSymbolsCapacity
Characters
Describe how characters are stored in a computer system using ASCII and how this improves efficiencyDecode a message given to you in ASCII
KEYWORDS
LEARNINGOBJECTIVES
ALL(Level 5)
Understand how data, such as numbers, sound and images
are physically stored on a computer system.
Explain how each character is stored on the computer using ASCII code.
MOST(Level 6)
Understand how instructions are run inside a computer
Explain what the computer is actually doing when you type a word
on the keyboard and it appears on screen in a word processor.
SOME(Level 7)
Understand how instructions can be written efficiently and
be able to describe the efficiency of your programs
Explain how being able to write characters rather than their binary representation helps to make using
a computer more efficient
ASCIITextData
NumbersSymbolsCapacity
Characters
Describe how characters are stored in a computer system using ASCII and how this improves efficiencyDecode a message given to you in ASCII
KEYWORDS
LEARNINGOBJECTIVES
DataBitNibble
ByteKilobyteMegabyte
GigabyteTerabyte
Homework The History of ComputingResearch Charles Babbage and Ada Lovelace, find out:
1. Who they were2. When they lived3. What they invented and what this did4. What impact this had on computing
Due: Thursday 16th January
List the different units of data and their respective valuesUnderstand how knowing the size of software you want to run can help to make it run more efficiently