PC

2. electrical component that can "make" or "break" an electrical circuit, interrupting the current or diverting it from one conductor to another
7. one of the earliest operating systems based on the Linux kernel
11. smallest controllable element of a picture represented on the screen
13. part of a computer system that consists of data or computer instructions
14. passive heat exchanger that transfers the heat generated by an electronic or a mechanical device to a fluid medium, often air or a liquid coolant
15. a form of malicious software
17. computer software that transforms computer code written in one programming language into another programming language
19. output device which displays information in pictorial form
20. hand-held pointing device that detects two-dimensional motion relative to a surface

1. general-purpose computer programming language
3. flow of data across the network
4. manufacturer and seller of a wide variety of office equipment including scanners, printers, and multifunction systems that scan, print, copy, email and fax
5. file format that supports lossless data compression
6. a file system cataloging structure which contains references to other computer files
8. world's largest network
9. a method, often secret, of bypassing normal authentication or encryption in a computer system
10. computer program that is the core of a computer's operating system, with complete control over everything in the system
12. manufacturer of processors, motherboard chipsets, network interface controllers and integrated circuits etc
16. firmware that comes pre-installed on a personal computer's system board, and it is the first software run when powered on
18. network hardware device that modulates one or more carrier wave signals to encode digital information for transmission and demodulates signals to decode the transmitted information