Information Technologies Flashcards
List 4 common information technologies.
Telephones, laptops, CDs, and electronic imaging.
What is hardware?
The physical parts of a computer.
Three examples of hardware equipment.
Mainframe computers, microcomputers, and minicomputers.
Name the 3 types of software programs.
Operating system software, application software, and utility software.
What is a computer virus?
A destructive program loaded onto a computer and run without the user’s knowledge.
What is LAN?
A group of connected computers that are close to each other.
What is WAN?
A group of connected computers that are separated by long distances.
Why should computer systems be serviced and maintained on a regular basis?
So that data can be at low risk of being stolen or misused by hackers and to avoid viruses.