Ex. 28. Complete the sentences. Consult the text if necessary.

1. Software that must be installed to activate a peripheral device is called ___.

2. Programs that are permanently stored in a computer's nonvolatile memory are called ___.

3. The programs, which can be downloaded from the Internet free of charge, are called ___.

4. The computer reads software from the storage device and temporarily places the instructions in memory called ___.

5. Network software designed for viewing pages on the Internet is called ___.

6. Software, which you can use free for a short time, after which you must pay for using it, is called ___.

7. The first company to introduce a GUI is called ___.

8. The program specially developed for a particular firm is called ___.

9. The software that controls many different operations of a computer as well as directs and coordinates its processing of programs is called ___.

10. Software distributed primarily through retail outlets is called ___.

11. The most commonly used PC operating system is called ___.

12. Such programs as BIOS, debug monitor, embedded interpreter, etc. are called ___ or ___.

13. Software that is offered free for anyone to use is called ___ or ___.

14. A display format that enables the user to choose commands, start programs, and see lists of files and other options by pointing to icons and lists of menu items on the screen is called ___.