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(d) add two 8bit binary integers and explain overflow errors which may occur
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Date =
Title = Adding binary and overflow errors
Objective = add two 8bit binary integers and explain overflow errors which may occur
Keywords (leave a space between each and then find their definitions)
Overflow error
Extension:
http://www.teachict.com/gcse_computing/ocr/214_representing_data/units/quizzes_units.html
http://www.cambridgedigital.com/mooc/html/phase2/33/33_Starter_Activity.html
http://www.cambridgegcsecomputing.org/representationofdataincomputersystemsmain
http://www.cambridgedigital.com/mooc/html/jan14/33_Activity1/33_Activity1.html
Adding binary number is easy.
You just need to know the rules
1 + 1 = 0 carry 1
1 + 1 + 1 = 1 carry 1
When adding binary always draw out a table with 8 columns and 4 rows
Nu
mb
er
1
Row
Nu
mb
er
2
Row
Ca
rry
Ov
er
Row
An
sw
er
Row
In your books:
http://cambridgegcsecomputing.org/sites/94/upload/userfiles/214d_worksheet1_editedct_2proof.pdf
We will green pen assess in 5 mins
Peer questioning
In pairs:
Ask your partner to convert 6 denary numbers to binary
Then get them to convert 6 binary to denary Using the first 6 conversions as 3 pairs.
Add the resulting binary numbers together
Mark each others work using green pen
Binary Game
Play the Cisco Binary game. Who can get the highest score?
http://forums.cisco.com/CertCom/game/binary_game_page.htm
Homework: Check showmyhomework
Plenary
#GCSEComputing – Explain what an overflow error is and how it could occur
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Title = Adding binary and overflow errors
Objective = add two 8bit binary integers and explain overflow errors which may occur
Keywords (leave a space between each and then find their definitions)
Overflow error
Extension: http://www.teachict.com/gcse_computing/ocr/214_representing_data/units/quizzes_units.html
http://www.cambridgedigital.com/mooc/html/phase2/33/33_Starter_Activity.html
http://www.cambridgegcsecomputing.org/representationofdataincomputersystemsmain http://www.cambridgedigital.com/mooc/html/jan14/33_Activity1/33_Activity1.html
Adding binary number is easy.
You just need to know the rules
1 + 1 = 0 carry 1
1 + 1 + 1 = 1 carry 1
When adding binary always draw out a table with 8 columns and 4 rows
In your books:
http://cambridgegcsecomputing.org/sites/94/upload/userfiles/214d_worksheet1_editedct_2proof.pdfWe will green pen assess in 5 mins
Peer questioning
In pairs:Ask your partner to convert 6 denary numbers to binary
Then get them to convert 6 binary to denary Using the first 6 conversions as 3 pairs.
Add the resulting binary numbers together
Mark each others work using green pen
Binary Game
Play the Cisco Binary game. Who can get the highest score?http://forums.cisco.com/CertCom/game/binary_game_page.htm
Homework: Check showmyhomework
Plenary
#GCSEComputing – Explain what an overflow error is and how it could occur