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🚧 Module Under Construction - use the Home chip, top right, to go back.
1. Power: Which pin connects to +V (Vcc)?
2. Identify: Name the logic gate shown inside the IC:
3. Trace: If logic 1 is on Pin X...
1. Select the correct Boolean expression for each row where Q = 1 (Top to Bottom):
2. Select (click on button) the full Boolean equation for the system:
Identify the Boolean expressions at the gate outputs:
Replace the standard logic gate with its NAND equivalent by dragging and dropping the correct NAND cluster.
The wire should be placed in the right box only when needed.
(Double click to remove components from a box.)
Spot the redundant NOT-NOT gates.
Click on a gate to cross them out!
Click on an X if you wish to remove it
A' or (A+B)').0 and 1 are allowed too.
Please tell us who you are. This is only asked once on this device - every score you submit from now on will use these details automatically.
Name:
Teacher:
Double-check this is spelled correctly - it will be used every time you submit a score from now on.
This information may be of use in answering the questions.
| Colour | Value |
|---|---|
| Black | 0 |
| Brown | 1 |
| Red | 2 |
| Orange | 3 |
| Yellow | 4 |
| Colour | Value |
|---|---|
| Green | 5 |
| Blue | 6 |
| Violet | 7 |
| Grey | 8 |
| White | 9 |
The fourth band colour gives the tolerance as follows:
10, 11, 12, 13, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 39, 43, 47, 51, 56, 62, 68, 75, 82, 91.
This information may be of use in answering the questions.
The figures shown below and their decade multiples and sub-multiples are the E24 series of preferred values.
10, 11, 12, 13, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 39, 43, 47, 51, 56, 62, 68, 75, 82, 91.
| Prefix | Multiplier |
|---|---|
| T | × 1012 |
| G | × 109 |
| M | × 106 |
| k | × 103 |
| Prefix | Multiplier |
|---|---|
| m | × 10-3 |
| μ | × 10-6 |
| n | × 10-9 |
| p | × 10-12 |