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Across
  1. 4. A series of graphical operating systems developed and marketed by Apple Inc. since 2001
  2. 5. The primary storage device for a computer, which holds all of the data needed for programs and files
  3. 7. A family of wireless network protocols, based on the IEEE 802.1
  4. 8. Any software intentionally designed to cause damage to a computer, server, client, or computer network
  5. 10. The "brain" of your computer, this component handles most calculations
  6. 12. A family of open-source Unix-like operating systems based on the Linux kernel
  7. 14. The main circuit board of your computer
  8. 16. A type of mass storage device similar to a hard disk drive (HDD)
  9. 17. A specialized electronic circuit designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display device
  10. 18. A service that allows you to connect to the internet via an encrypted tunnel to ensure your online privacy and protect your sensitive data
Down
  1. 1. A system for connecting a number of computer systems to form a local area network
  2. 2. The fraudulent attempt to obtain sensitive information or data, such as usernames, passwords and credit card details, by disguising oneself as a trustworthy entity in an electronic communication
  3. 3. A network security device that monitors and filters incoming and outgoing network traffic based on an organization's previously established security policies
  4. 6. Volatile memory in a computer, where information is stored while being used
  5. 7. A group of several graphical operating system families, all of which are developed, marketed, and sold by Microsoft
  6. 9. Software designed to detect and destroy computer viruses
  7. 11. An electrical device that provides power to your computer
  8. 13. An industry standard that establishes specifications for cables and connectors and protocols for connection, communication and power supply (interfacing) between computers, peripherals and other computers
  9. 15. Basic input/output system, the program a personal computer's microprocessor uses to get the computer system started