| A | B |
|---|
| Hardware | All the physical parts that make up a computer |
| Device | A single item of hardware |
| Types of Computers | Desktop, PDA, Laptop, Mainframe |
| One Byte | The space on a disk neeeded to store one character |
| Two Types of Chips | Random Access Memory (RAM) & Read Only Memory (ROM) |
| Direct Access | Can skip data to get to the part you want to read |
| Random Access Memory (RAM) | Contents are lost when computer is switched off |
| Read Only Memory (ROM) | Contents are not lost when computer is switched off |
| Backing Storage | Permanent storage for programs and data |
| Laptop | Can be used on your lap |
| PDA | Is portable |
| Memory Chips | The prices are going down |
