Computing Systems
Across
- 1. A piece of software, composed of instructions
- 4. Also known as the CPU, this component executes the instructions of the programs
- 5. An illusion that a computer is executing several programs at the same time
- 8. The fundamental program which controls everything that a computer does
- 10. Real world data signals received by the computing system
- 11. This describes data which disappears when the power is turned off
- 12. The physical components of a computing system
- 13. Files that the user works on, such as images, documents, etc
- 14. Stores the data and programs even when the computer is turned off
Down
- 2. Data signals sent by a computer into the real world
- 3. The programs which a computing system has installed
- 5. The component where the data and programs are stored while they are in use
- 6. How different computing systems can send signals to each other
- 7. This describes data which lasts even with no power supply
- 9. Also known as The processor, this component executes the instructions of the programs