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OCR Computer Science - Data Representation - Lesson 1 - 1-9

OCR Computer Science - Data Representation - Lesson 1 - 1-9

Lesson explaining how Data representation works. There is a PowerPoint which walks through two methods of conversion but it also specifies how to use binary. It explains to students place value and compares denary to binary. Lesson 1 in a series of 4 lessons. Students will also learn about: - Switches Binary Exam questions Binary conversion using switches Binary conversion using division Binary grid method Least / Most significant bit] Worksheet provided Content written by Ray Chambers - National Teaching Award Winner - 2015 - Innovative use of technology
r_chambers
AQA Alevel Computer Science

AQA Alevel Computer Science

-Spreadsheet PLC Checklist for Students to FIll in -Data Representation Lesson -Revision Mind Maps (some with Answers) for AS and A2 -Python Programming Reference guide and tutorials matching the specification
andy_panay1
GCSE Binary Addition and Shift Presentation

GCSE Binary Addition and Shift Presentation

Included is a Powerpoint used to teach binary addition and shift to a mixed ability GCSE class. Includes lots of chances for students to practice the techniques with questions and follow up by writing notes on how to calculate the addition and shifts.
likeakipper8
OCR - ALEVEL - Computer Science - Exchanging Data

OCR - ALEVEL - Computer Science - Exchanging Data

Objective: - We’re learning to explain how compression methods are used in computer systems. Outcomes: - Lossy vs Lossless compression – Understanding it’s uses. Run length encoding and dictionary coding for lossless compression Symmetric and asymmetric encryption Different uses of hashing This covers the introduction to Lossy vs Lossless and talks about run length encoding and encryption. Includes a link to a khan academy video on encryption from YouTube * Referenced *
r_chambers
Computing KS3 cover lessons

Computing KS3 cover lessons

19 different activities in this great pack! A selection of cover lessons and one off sessions. Suitable for non-subject specialists and experienced teachers alike.
studeapps
Set of Binary - Denary Games & Resources

Set of Binary - Denary Games & Resources

Set of Binary - Denary Games & Resources Great to use as starters, activities, plenaries & assessment. These can be embedded across several lessons. Set comprises of: • Self-checking interactive 5-bit binary quiz (Excel) • Excel worksheet containing choice of printable bingo cards and/or card bingo generator based on 5 & 6-bit binary. 2 generators – one generates numbers up to 31 and the other generates numbers up to 63. • 8 Bit Binary - Denary Dominoes. PPT slides 2 – 15 form the correct answers, the first half of slide 2 marries up with the last half of slide 15. • Digital interactive 6 & 8-bit binary matching games (against the clock; available in HTML, pdf and swf versions) • Set of 2 digital timers 1 x 5 minutes and 1 x 10-minute timers (available in HTML, pdf and swf versions) Please note that Excel documents are read only files. To generate more bingo cards, press F9 key and change the sample size as appropriate, (instructions included in Teacher Notes worksheet & suggested delivery contained within PPT, slide 1). Any issues or any problems, please let me know, many thanks. Note for Digital Games & Timers:  Ensure once downloads are unzipped that you keep ALL files in their folders and run one of the formats above from the folder. For html format please run Index file. Or drag the index file into the URL bar. Seems to work best in Firefox, IE, Microsoft Edge or Safari.  Please leave constructive feedback, many thanks.
Kazg1
Number representation

Number representation

This resource covers the binary, BCD and hexadecimal number system. It also covers the conversion from one number system to another and the expression of positive or negative integers in two's complement form.
phablessed