Operating systems

123456789101112
Across
  1. 3. A tightly controlled set of resources for guest programs to run in. (7)
  2. 4. An ___________ operating system is one in which the user and the computer are in direct two way communication. (11)
  3. 6. The type of operating system that you are using, which allows you to carry out a broad range of general-purpose tasks. (7)
  4. 7. The alternative to a GUI.
  5. 9. Computer software can be divided into operating systems and ______ ________. (6,8)
  6. 10. A system in which some computers, the clients, request services provided by other computers, the servers. (6-6)
  7. 11. An operating system presents the user with a _______ _______ which is simpler to use. (7,7)
  8. 12. Inputs are processed in a timely manner so that the output can affect the source of inputs. (4-4)
Down
  1. 1. A dedicated computer system with limited or non-existent user interface. (8)
  2. 2. GUI stands for this. (9,4,9)
  3. 5. This operating system has an added layer of software which intercepts commands that reference resources elsewhere on the network and redirect the request in a manner completely transparent to the user. (7)
  4. 8. An operating system optimised to provide one or more specialised services to networked clients. (6)