Unit at a glance
7 lessons, 315 minutes of teaching
Scheme of work
The lessons in order
| Ref | Lesson pack | Structure | Worksheet | Quiz | Lab tab |
|---|---|---|---|---|---|
| 1.1 | Binary and decimal prefixes A hard drive sold as 1 TB shows up as about 931 GB on your computer, and nothing has gone missing. | Connect-Extend-Challenge | 6 Q, 14 marks | 6 MCQ | tab 6 |
| 1.1 | Binary, denary, hexadecimal and BCD A pattern of bits means nothing until you know how it is being represented. | Rally Coach | 6 Q, 16 marks | 6 MCQ | tab 2, tab 6 |
| 1.1 | Two's complement and binary arithmetic A register has no minus sign, so negative integers need a representation of their own. | Numbered Heads Together | 6 Q, 14 marks | 6 MCQ | tab 5, tab 3 |
| 1.1 | Character sets: ASCII, extended ASCII and Unicode When you press a key, the computer stores a number, not a letter. | Think-Pair-Share | 6 Q, 15 marks | 6 MCQ | tab 1 |
| 1.2 | Bitmap and vector graphics A photo and a logo can look alike on screen, but they are stored in completely different ways. | Mix-Pair-Share | 6 Q, 18 marks | 6 MCQ | tab 3, tab 6 |
| 1.2 | Sampled sound Sound is a smooth, continuous wave, but a computer can only store whole binary numbers. | Jigsaw | 6 Q, 16 marks | 6 MCQ | tab 2 |
| 1.3 | Lossy and lossless compression, run-length encoding Images, sound and video files are huge, and every one of them has to be stored and sent somewhere. | Corners | 6 Q, 18 marks | 6 MCQ | tab 5 |
Each pack holds the plan, worksheet and quiz for its lesson. Teach the rows in order; the lab tabs match the student lessons.
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