1. A file sometimes called a

collection of input data

data set

temporary place to store data

program

2. In MS-DOS, relocatable object files and load modules have extensions

.OBJ and .COM or .EXE respectively

.COM and .OBJ respectively

.EXE and .OBJ respectively

.DAS and .EXE respectively

3. Consider six files F1, F2, F3, F4, F5 and F6 of corresponding sizes 100, 200, 70, 40, 250 and 50 respectively. If the files are stored in such a manner to optimize access time, what will be the approximate average access time of a record from one of the six files on the sequential device ?

131

198

286

433

4. Which type of design problem in file system?

How the file system should look to the user

Algorithm and data structure must be created to map the logical file system onto the secondary storage device

Both (a) and (b)

None of these

5. Shared sub-directories and files are example of

a cyclic graph directory

tree structured direction

one level directory

none of these

6. which types of file organization are supported by magnetic tape?

random files

contiguous sequential file

indexed sequential file

all of these

7. Number of minimal set of required file operations are

two

four

five

six

8. The volatility of a file refers to

the number of records added or deleted from a file composed to the original number of records in that file

efficiency with which non-sequential files are processed

the extent where the records of the file are contiguous and in proximity to others

percentage of records that has changed in a given time period.

9. How many common file type are there?

nine

six

five

two

10. Wild-card specifiers

provide an easy way of finding groups of related files

are only used when printing the contents of files

can be used when writing a file

allow several files to be read simultaneously