OPERATING SYSTEM

I. Fill in the balnks

1. CP/M is an ----------------. OS
2. CP/M stands for-------------. Control program/Monitor
3. The VER command is used for finding the ----------. DOS version
4. The -----------command displays the amount of total and available memory.MEM
5. The ----------- command displays the disk name and serial number. VOL
6. ------------- Corporation developed the Operating System DOS. Microsoft
7. MS-DOS stands for ------------------. Microsoft Disk Operating System
8. COMMAND.COM serve as the interface between -------- and ---------.user, machine
9. A file name can be of maximum ---------- characters. 8
10. The up-pointing arrow is used to --------- window size. Maximize
11. Document printing status can be viewed by using ----------. Print manager
12. ----------- Provides additional information about Windows. Read me
13. LAN is mainly used in ---------- environments. Office
14. The ----------- can be used to create a new folder. Windows explorer
15.  The ------------ can be used to change the properties of system configuration. Control panel
16. A file name extension can be of maximum --------- characters. 3
17. The deleted files can be recovered from ----------- using Restore option. Recycle bin
18. The UNIX Operating system was written in -----------language. C
19. All UNIX commands must be typed in ---------- letters. Lower case
20. --------- symbol is the UNIX prompt. $

II. True or False

1. An operating system is a piece of software. T
2. The command C:> DIR *.EXE is used to display all files with extension .EXE T
3. Generally the file name extension indicates the file type. T
4. A directory should not contain any sub directory. F
5. The MORE command can be used to scroll when the screen is filled. T
6. Actually booting of the system means loading the operating system. T
7. Commands are special written programs that are used to perform fixed type of tasks. T
8. All the sub directories are created under the ROOT directory. T
9. During booting of the system, any DOS command can be practiced. F
10. Windows 3.X is not exactly an Operating system. T
11. If you need to work in Windows, you must first install DOS. T
12. In Windows 95, deleted files cannot be recalled. F
13. The most recently opened files are stored in the document list. T
14. The directory name cannot be renamed in UNIX. F
15. The HOME directory is simply the Login name. T
16.