Computing

7. Hand-held pointing device that detects two-dimensional motion relative to surface
8. Flow of data across the network
10. Computer program that is the core of a computer's operating system, with complete control over everything in the system
11. Step-by-step walk-through for someone with no experience
13. Computer software that transform high-level programming language to machine code
16. File format that supports lossless data compression
18. A form of malicious software
19. Operating system

1. General purpose computer programming language
2. Random access memory
3. Networking device that forwards data packets between computer networks
4. World' s largest network
5. Person who penetrates systems
6. Part of a computer system that consists of data or computer instructions
9. A file system cataloging structure which contains references to other computer files
12. Program that operates or controls a particular type of device that is attached to a computer
13. Arrow which moves when you move mouse
14. Software program designed to damage or do other unwanted actions on a computer systems
15. A programming language commonly used for creating Web applications and software plug-ins
17. Smallest controllable element of a picture represented on the screen