Exercise 3. Which of the listed below state­ments are true/false. Specify your answer using the text.

1) When computers were first introduced in 40's and 50's programmers had to write programs to instruct CD-ROMs, laser printers and scanners.

2) The operational system controls and manages the use of the hardware and the memory.

3) There are no commands available in operating sys­tems, they are only in word processors.

4) Microsoft developed MS-DOS to compete with IBM's PC-DOS.

5) NT requires computers with 486 CPU and 16 M ran­dom access memory.

6) OS/2 is DOS compatible because it was developed by Microsoft.

7) Traditionally, UNIX was run by many users simul­taneously.

8) Windows 95 and Windows 98 are DOS compatible and have very «friendly» and convenient interface.