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-rw-r--r--assignments/2-solution.md13
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@@ -78,3 +78,16 @@ Chapter 4:
```
Chapter 5:
+
+
+3. A memory unit that is said to be 640 KB would actually contain how many memory cells? What about a memory of 512 MB? What about a memory of 2 GB?
+
+ The standard cell size of each member cell is 8 bits or 1 byte.
+
+ ```plaintext
+ | Value | Bytes |
+ | ----- | ----- |
+ | 640 KB | 655,360 |
+ | 512 MB | 536,870,912 |
+ | 2 GB | 2,147,483,648 |
+ ```