Technology

4. Software or hardware that, after checking information coming into a computer from the Internet or an external network, either blocks the transmission or allows it to pass through
7. An audio digital file that is received from the Internet and then downloaded and synced to a portable media player or computer
8. The global network of interdependent information technology infrastructures, telecommunications networks, and computer processing systems
9. A software that damages a computer's operation

1. Collection of programs and other things that provides instructions for the computer telling it what to do
2. From “web log,” a regularly updated personal journal, conversation, commentary, or news forum on virtually any topic that is published on the Web and may include text, hypertext, images, and links
3. Specifically, computer hardware, is the collection of physical elements that comprise a computer system, including a CPU, monitor, keyboard, hard disk, and printer
5. A video camera that feeds images in real time to a computer or computer network
6. An element in an electronic document that links to another place in the same document or to an entirely different document
9. An electronic device that converts a computer’s digital signals into specific frequencies to travel over telephone or cable television lines